diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index ce32b387d7..3633ba349c 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -24,6 +24,11 @@ jobs:
         sudo apt-get update
         sudo apt-get --only-upgrade install google-chrome-stable
         google-chrome --version
+    - name: Install dependencies
+      run: |
+          python -m pip install --upgrade --user pip
+          python -m pip install --user scipy
+          python -m pip show scipy
     - name: Install Firefox
       uses: browser-actions/setup-firefox@latest
       #with:
@@ -69,4 +74,6 @@ jobs:
     - name: Run test with Influx 2.6.1
       run: bin/sitespeed.js http://127.0.0.1:3001/simple/ -n 1 --influxdb.host 127.0.0.1 --influxdb.port 8087 --influxdb.version 2 --influxdb.organisation sitespeed --influxdb.token sitespeed --xvfb
     - name: Run Chrome test with config
-      run: node bin/sitespeed.js --config test/exampleConfig.json http://127.0.0.1:3001/simple/ --xvfb
\ No newline at end of file
+      run: node bin/sitespeed.js --config test/exampleConfig.json http://127.0.0.1:3001/simple/ --xvfb
+    - name: Run Chrome test using compare plugin
+      run: node bin/sitespeed.js --compare.id compare --compare.saveBaseline --compare.baselinePath test/ http://127.0.0.1:3001/simple/ --xvfb
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index 5500817034..fb90e4c4c7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,4 +44,6 @@ RUN echo 'ALL ALL=NOPASSWD: /usr/sbin/tc, /usr/sbin/route, /usr/sbin/ip' > /etc/
 
 ENTRYPOINT ["/start.sh"]
 VOLUME /sitespeed.io
+VOLUME /baseline
+
 WORKDIR /sitespeed.io
diff --git a/docs/_includes/version/browsertime.txt b/docs/_includes/version/browsertime.txt
index 2941b81991..5fc5a7bfee 100644
--- a/docs/_includes/version/browsertime.txt
+++ b/docs/_includes/version/browsertime.txt
@@ -1 +1 @@
-19.0.0
\ No newline at end of file
+19.1.0
\ No newline at end of file
diff --git a/lib/cli/cli.js b/lib/cli/cli.js
index c20f457f96..c4d2444e3f 100644
--- a/lib/cli/cli.js
+++ b/lib/cli/cli.js
@@ -1870,6 +1870,68 @@ export async function parseCommandLine() {
       group: 'API'
     });
 
+  parsed
+    .option('compare.id', {
+      type: 'string',
+      describe:
+        'The id of the test. Will be used to find the baseline test, that is using the id as a part of the name.',
+      group: 'compare'
+    })
+    .option('compare.baselinePath', {
+      type: 'string',
+      describe:
+        'Specifies the path to the baseline data file. This file is used as a reference for comparison against the current test data.',
+      group: 'compare'
+    })
+    .option('compare.saveBaseline', {
+      type: 'boolean',
+      default: false,
+      describe:
+        'Determines whether to save the current test data as the new baseline. Set to true to save the current data as baseline for future comparisons.',
+      group: 'compare'
+    })
+    .option('compare.testType', {
+      describe:
+        'Selects the statistical test type to be used for comparison. Options are mannwhitneyu for the Mann-Whitney U test and wilcoxon for the Wilcoxon signed-rank test.',
+      choices: ['mannwhitneyu', ' wilcoxon'],
+      default: 'mannwhitneyu',
+      group: 'compare'
+    })
+    .option('compare.alternative', {
+      choices: ['less', ' greater', 'two-sided'],
+      default: 'less',
+      describe:
+        'Specifies the alternative hypothesis to be tested. Options are less for one-sided test where the first group is expected to be less than the second, greater for one-sided test with the first group expected to be greater, or two-sided for a two-sided test.',
+      group: 'compare'
+    })
+    .option('compare.wilcoxon.correction', {
+      type: 'boolean',
+      describe:
+        'Enables or disables the continuity correction in the Wilcoxon signed-rank test. Set to true to enable the correction.',
+      default: false,
+      group: 'compare'
+    })
+    .option('compare.wilcoxon.zeroMethod', {
+      choices: ['wilcox', ' pratt', 'zsplit'],
+      describe:
+        'Specifies the method for handling zero differences in the Wilcoxon test. wilcox discards all zero-difference pairs, pratt includes all, and zsplit splits them evenly among positive and negative ranks.',
+      default: 'zsplit',
+      group: 'compare'
+    })
+    .option('compare.mannwhitneyu.useContinuity', {
+      type: 'boolean',
+      default: false,
+      describe:
+        'Determines whether to use continuity correction in the Mann-Whitney U test. Set to true to apply the correction.',
+      group: 'compare'
+    })
+    .option('compare.mannwhitneyu.method', {
+      choices: ['auto', ' exact', 'symptotic'],
+      escribe:
+        'Selects the method for calculating the Mann-Whitney U test. auto automatically selects between exact and asymptotic based on sample size, exact uses the exact distribution of U, and symptotic uses a normal approximation.',
+      default: 'auto',
+      group: 'compare'
+    });
   parsed
     .option('mobile', {
       describe:
diff --git a/lib/plugins/compare/baseline.js b/lib/plugins/compare/baseline.js
new file mode 100644
index 0000000000..a945caee8e
--- /dev/null
+++ b/lib/plugins/compare/baseline.js
@@ -0,0 +1,35 @@
+import fs from 'node:fs/promises';
+import { join, resolve } from 'node:path';
+
+export async function getBaseline(id, compareOptions) {
+  try {
+    return JSON.parse(
+      await fs.readFile(
+        resolve(
+          join(compareOptions.baselinePath || process.cwd(), `${id}.json`)
+        )
+      )
+    );
+  } catch {
+    return;
+  }
+}
+/*
+async function getBaselineFromInternet(url) {
+  try {
+    const response = await fetch(url);
+    return response.json();
+  } catch (error) {
+    log.error('Could not fetch', error);
+  }
+}
+
+async function getBaselineFromFile(path) {}
+
+/*
+export async function saveBaseline(json, options) {
+
+}*/
+export async function saveBaseline(json, name) {
+  return fs.writeFile(resolve(name), JSON.stringify(json));
+}
diff --git a/lib/plugins/compare/helper.js b/lib/plugins/compare/helper.js
new file mode 100644
index 0000000000..22df67a32a
--- /dev/null
+++ b/lib/plugins/compare/helper.js
@@ -0,0 +1,347 @@
+import { fileURLToPath } from 'node:url';
+import { join } from 'node:path';
+import path from 'node:path';
+
+import { execa } from 'execa';
+import { Stats } from 'fast-stats';
+import intel from 'intel';
+import { decimals } from '../../support/helpers/index.js';
+const log = intel.getLogger('sitespeedio.plugin.compare');
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+class Metric {
+  constructor(name, values) {
+    this.name = name;
+    this.stats = new Stats().push(values);
+  }
+
+  getName() {
+    return this.name;
+  }
+  getValues() {
+    return this.stats.data;
+  }
+  getStats() {
+    return this.stats;
+  }
+}
+
+export async function runStatisticalTests(data) {
+  let extras = '';
+  try {
+    const { stdout } = await execa(
+      process.env.PYTHON || 'python',
+      [join(__dirname, 'statistical.py')],
+      {
+        input: JSON.stringify(data)
+      }
+    );
+    extras = stdout;
+    const results = JSON.parse(stdout);
+    log.verbose('Result from the python script %j'.results);
+    return results;
+  } catch (error) {
+    log.error(error);
+    log.error(extras);
+  }
+}
+
+export function getStatistics(arrayOfValues) {
+  return new Stats().push(arrayOfValues);
+}
+
+function getExtras(data) {
+  const metrics = {};
+  const results = {};
+
+  for (const run of data.extras) {
+    for (const name of Object.keys(run)) {
+      if (!metrics[name]) {
+        metrics[name] = [];
+      }
+      metrics[name].push(run[name]);
+    }
+  }
+
+  for (const [metricName, values] of Object.entries(metrics)) {
+    results[metricName] = new Metric(metricName, values);
+  }
+
+  return results;
+}
+
+function getTimings(data) {
+  const timingMetrics = {
+    ttfb: [],
+    loadEventEnd: [],
+    firstContentfulPaint: [],
+    fullyLoaded: []
+  };
+
+  for (const run of data.browserScripts) {
+    timingMetrics['ttfb'].push(run.timings.ttfb);
+    timingMetrics['loadEventEnd'].push(run.timings.loadEventEnd);
+    timingMetrics['firstContentfulPaint'].push(
+      run.timings.paintTiming['first-contentful-paint']
+    );
+  }
+
+  for (const run of data.fullyLoaded) {
+    timingMetrics['fullyLoaded'].push(run);
+  }
+
+  const results = {};
+  for (const [metricName, values] of Object.entries(timingMetrics)) {
+    if (!results.timings) {
+      results.timings = {};
+    }
+    results.timings[metricName] = new Metric(`${metricName}`, values);
+  }
+  return results;
+}
+
+function getUserTimings(data) {
+  const userTimingMetrics = {};
+  for (const run of data.browserScripts) {
+    if (run.timings.userTimings) {
+      const { marks, measures } = run.timings.userTimings;
+
+      for (const mark of marks) {
+        if (!userTimingMetrics[mark.name]) {
+          userTimingMetrics[mark.name] = [];
+        }
+        userTimingMetrics[mark.name].push(decimals(mark.startTime));
+      }
+
+      for (const measure of measures) {
+        if (!userTimingMetrics[measure.name]) {
+          userTimingMetrics[measure.name] = [];
+        }
+        userTimingMetrics[measure.name].push(decimals(measure.startTime));
+      }
+    }
+  }
+
+  const results = {};
+  for (const [metricName, values] of Object.entries(userTimingMetrics)) {
+    if (!results.userTimings) {
+      results.userTimings = {};
+    }
+    results.userTimings[metricName] = new Metric(`${metricName}`, values);
+  }
+  return results;
+}
+
+function getElementTimings(data) {
+  const elementTimingMetrics = {};
+  for (const run of data.browserScripts) {
+    if (run.timings.elementTimings) {
+      for (const [name, timing] of Object.entries(run.timings.elementTimings)) {
+        if (!elementTimingMetrics[name]) {
+          elementTimingMetrics[name] = [];
+        }
+        elementTimingMetrics[name].push(timing.renderTime);
+      }
+    }
+  }
+
+  const results = {};
+  for (const [metricName, values] of Object.entries(elementTimingMetrics)) {
+    if (!results.elementTimings) {
+      results.elementTimings = {};
+    }
+    results.elementTimings[metricName] = new Metric(`${metricName}`, values);
+  }
+  return results;
+}
+
+function getGoogleWebVitals(data) {
+  const googleWebVitalsMetrics = {};
+  for (const run of data.googleWebVitals) {
+    for (const [name, value] of Object.entries(run)) {
+      if (!googleWebVitalsMetrics[name]) {
+        googleWebVitalsMetrics[name] = [];
+      }
+      googleWebVitalsMetrics[name].push(value);
+    }
+  }
+
+  const results = {};
+  for (const [metricName, values] of Object.entries(googleWebVitalsMetrics)) {
+    if (!results.googleWebVitals) {
+      results.googleWebVitals = {};
+    }
+    results.googleWebVitals[metricName] = new Metric(`${metricName}`, values);
+  }
+  return results;
+}
+
+function getVisualMetrics(data) {
+  const DO_NOT_USE = new Set([
+    'VisualProgress',
+    'videoRecordingStart',
+    'VisualComplete85',
+    'VisualComplete95',
+    'VisualComplete99'
+  ]);
+
+  const visualMetrics = {};
+  for (const run of data.visualMetrics) {
+    for (const [name, value] of Object.entries(run)) {
+      if (!DO_NOT_USE.has(name)) {
+        if (!visualMetrics[name]) {
+          visualMetrics[name] = [];
+        }
+        visualMetrics[name].push(value);
+      }
+    }
+  }
+
+  const results = {};
+  for (const [metricName, values] of Object.entries(visualMetrics)) {
+    if (!results.visualMetrics) {
+      results.visualMetrics = {};
+    }
+    results.visualMetrics[metricName] = new Metric(`${metricName}`, values);
+  }
+  return results;
+}
+
+function getCDPPerformance(data) {
+  const metricsToKeep = new Set([
+    'JSEventListeners',
+    'LayoutCount',
+    'RecalcStyleCount',
+    'LayoutDuration',
+    'RecalcStyleDuration',
+    'ScriptDuration',
+    'V8CompileDuration',
+    'TaskDuration',
+    'TaskOtherDuration',
+    'JSHeapUsedSize'
+  ]);
+  const cdpPerformance = {};
+  for (const run of data.cdp.performance) {
+    for (const name of Object.keys(run)) {
+      if (metricsToKeep.has(name)) {
+        if (!cdpPerformance[name]) {
+          cdpPerformance[name] = [];
+        }
+        cdpPerformance[name].push(decimals(run[name]));
+      }
+    }
+  }
+
+  // Convert to Metric objects
+  const results = {};
+  for (const [metricName, values] of Object.entries(cdpPerformance)) {
+    if (!results.cdp) {
+      results.cdp = {};
+    }
+    results.cdp[metricName] = new Metric(`${metricName}`, values);
+  }
+  return results;
+}
+
+function getCPU(data) {
+  const cpuMetrics = {
+    tasks: [],
+    totalDuration: [],
+    lastLongTask: [],
+    beforeFirstContentfulPaint: [],
+    beforeLargestContentfulPaint: []
+  };
+
+  for (const run of data.cpu) {
+    const longTasks = run.longTasks;
+    cpuMetrics['tasks'].push(longTasks['tasks']);
+    cpuMetrics['totalDuration'].push(longTasks['totalDuration']);
+    cpuMetrics['lastLongTask'].push(longTasks['lastLongTask']);
+    cpuMetrics['beforeFirstContentfulPaint'].push(
+      longTasks['beforeFirstContentfulPaint'].totalDuration
+    );
+    cpuMetrics['beforeLargestContentfulPaint'].push(
+      longTasks['beforeLargestContentfulPaint'].totalDuration
+    );
+  }
+
+  const isEmpty = Object.values(cpuMetrics).every(arr => arr.length === 0);
+  if (isEmpty) {
+    return {}; // Return an empty object if no data
+  }
+
+  const results = {};
+  for (const [metricName, values] of Object.entries(cpuMetrics)) {
+    if (!results.cpu) {
+      results.cpu = {};
+    }
+    results.cpu[metricName] = new Metric(`${metricName}`, values);
+  }
+  return results;
+}
+
+function getRenderBlocking(data) {
+  const renderBlockingMetrics = {
+    beforeFCPms: [],
+    beforeLCPms: [],
+    beforeFCPelements: [],
+    beforeLCPelements: []
+  };
+
+  for (const run of data.renderBlocking) {
+    renderBlockingMetrics['beforeFCPms'].push(
+      run.recalculateStyle.beforeFCP.durationInMillis
+    );
+    renderBlockingMetrics['beforeFCPelements'].push(
+      run.recalculateStyle.beforeFCP.elements
+    );
+    renderBlockingMetrics['beforeLCPms'].push(
+      run.recalculateStyle.beforeLCP.durationInMillis
+    );
+    renderBlockingMetrics['beforeLCPelements'].push(
+      run.recalculateStyle.beforeLCP.elements
+    );
+  }
+
+  // Check if all arrays in renderBlockingMetrics are empty
+  const isEmpty = Object.values(renderBlockingMetrics).every(
+    arr => arr.length === 0
+  );
+  if (isEmpty) {
+    return {}; // Return an empty object if no data
+  }
+
+  const results = {};
+  for (const [metricName, values] of Object.entries(renderBlockingMetrics)) {
+    if (!results.renderBlocking) {
+      results.renderBlocking = {};
+    }
+    results.renderBlocking[metricName] = new Metric(`${metricName}`, values);
+  }
+
+  return results;
+}
+
+export function getMetrics(data) {
+  const userTimings = getUserTimings(data);
+  const elementTimings = getElementTimings(data);
+  const visualMetrics = getVisualMetrics(data);
+  const rb = getRenderBlocking(data);
+  const gWV = getGoogleWebVitals(data);
+  const cdp = getCDPPerformance(data);
+  const cpu = getCPU(data);
+  const timings = getTimings(data);
+  const extras = getExtras(data);
+  return {
+    ...extras,
+    ...timings,
+    ...cpu,
+    ...cdp,
+    ...visualMetrics,
+    ...gWV,
+    ...rb,
+    ...elementTimings,
+    ...userTimings
+  };
+}
diff --git a/lib/plugins/compare/index.js b/lib/plugins/compare/index.js
new file mode 100644
index 0000000000..b0958b07c8
--- /dev/null
+++ b/lib/plugins/compare/index.js
@@ -0,0 +1,229 @@
+import { fileURLToPath } from 'node:url';
+import { readFileSync } from 'node:fs';
+import { resolve, join } from 'node:path';
+
+import { SitespeedioPlugin } from '@sitespeed.io/plugin';
+import intel from 'intel';
+import merge from 'lodash.merge';
+import dayjs from 'dayjs';
+
+import { throwIfMissing } from '../../support/util.js';
+import { getStatistics, runStatisticalTests, getMetrics } from './helper.js';
+import { getBaseline, saveBaseline } from './baseline.js';
+
+const __dirname = fileURLToPath(new URL('.', import.meta.url));
+
+const log = intel.getLogger('sitespeedio.plugin.compare');
+const defaultConfig = {};
+
+const TIME_FORMAT = 'YYYY-MM-DD HH:mm:ss';
+
+const DEFAULT_METRICS_PAGESUMMARY = [
+  'metrics.timings.*.statisticalTestU',
+  'metrics.cpu.*.statisticalTestU',
+  'metrics.cdp.*.statisticalTestU',
+  'metrics.visualMetrics.*.statisticalTestU',
+  'metrics.googleWebVitals.*.statisticalTestU',
+  'metrics.renderBlocking.*.statisticalTestU',
+  'metrics.elementTimings.*.statisticalTestU',
+  'metrics.userTimings.*.statisticalTestU',
+  'metrics.extras.*.statisticalTestU'
+];
+
+export default class ComparePlugin extends SitespeedioPlugin {
+  constructor(options, context, queue) {
+    super({ name: 'compare', options, context, queue });
+  }
+
+  async open(context, options) {
+    this.page = 0;
+    this.make = context.messageMaker('compare').make;
+    this.compareOptions = merge({}, defaultConfig, options.compare);
+    this.options = options;
+    throwIfMissing(options.compare, ['id'], 'compare');
+    this.pug = readFileSync(resolve(__dirname, 'pug', 'index.pug'), 'utf8');
+    log.info(
+      'Starting the compare plugin.' +
+        (this.compareOptions.saveBaseline
+          ? ' Will save this test as the baseline'
+          : '')
+    );
+    if (options.browsertime.iterations < 20) {
+      log.warning(
+        'You should use 20+ iterations to get statistical significant data'
+      );
+    }
+    context.filterRegistry.registerFilterForType(
+      DEFAULT_METRICS_PAGESUMMARY,
+      'compare.pageSummary'
+    );
+  }
+  async processMessage(message) {
+    switch (message.type) {
+      case 'sitespeedio.setup': {
+        super.sendMessage('compare.setup');
+        // Add the HTML pugs
+        super.sendMessage('html.pug', {
+          id: 'compare',
+          name: 'Compare',
+          pug: this.pug,
+          type: 'pageSummary'
+        });
+        break;
+      }
+      case 'browsertime.pageSummary': {
+        this.page++;
+        const baseline = await getBaseline(
+          this.options.compare.id + '-' + this.page,
+          this.compareOptions
+        );
+
+        if (baseline) {
+          if (
+            baseline &&
+            this.options.browsertime.iterations !== baseline.timestamps.length
+          )
+            log.warning(
+              'The baseline test has %s runs and you current have %s. You should make sure you test the same amount of runs',
+              baseline.timestamps.length,
+              this.options.browsertime.iterations
+            );
+          log.info(
+            'Got a baseline:' + this.options.compare.id + '-' + this.page
+          );
+          const newMetrics = getMetrics(message.data);
+          const baselineMetrics = getMetrics(baseline);
+          const metricsInputData = {
+            options: {
+              test_type: this.compareOptions.testType,
+              alternative: this.compareOptions.alternative
+            },
+            metrics: {}
+          };
+
+          if (this.compareOptions.testType === 'mannwhitneyu') {
+            metricsInputData.options.use_continuity =
+              this.compareOptions.mannwhitneyu.useContinuity;
+            metricsInputData.options.method =
+              this.compareOptions.mannwhitneyu.method;
+            metricsInputData.options.nan_policy = 'omit';
+          } else if (this.compareOptions.testType === 'wilcoxon') {
+            metricsInputData.options.correction =
+              this.compareOptions.wilcoxon.correction;
+            metricsInputData.options.zero_method =
+              this.compareOptions.wilcoxon.zeroMethod;
+          }
+
+          for (let group in newMetrics) {
+            if (baselineMetrics[group]) {
+              metricsInputData.metrics[group] = {};
+              for (let metricName in newMetrics[group]) {
+                // Ensure both current and baseline metrics are available
+                if (
+                  baselineMetrics[group][metricName] &&
+                  newMetrics[group][metricName]
+                ) {
+                  // Directly access the Metric instance
+                  const currentMetric = newMetrics[group][metricName];
+                  const baselineMetric = baselineMetrics[group][metricName];
+
+                  // Ensure these are indeed Metric instances
+                  const currentStats = getStatistics(currentMetric.getValues());
+                  const baselineStats = getStatistics(
+                    baselineMetric.getValues()
+                  );
+                  metricsInputData.metrics[group][metricName] = {
+                    sample1: baselineStats.data,
+                    sample2: currentStats.data
+                  };
+                } else {
+                  log.info(
+                    `Skipping ${group}.${metricName} as it's not present in both current and baseline metrics.`
+                  );
+                }
+              }
+            }
+          }
+
+          const results = await runStatisticalTests(metricsInputData);
+          const finalResult = {};
+          for (let group in results) {
+            finalResult[group] = {};
+            for (let metricName in results[group]) {
+              const result = results[group][metricName];
+              // Again, accessing the metricName within the group
+              const currentStats = getStatistics(
+                newMetrics[group][metricName].getValues()
+              );
+              const baselineStats = getStatistics(
+                baselineMetrics[group][metricName].getValues()
+              );
+
+              finalResult[group][metricName] = {
+                current: {
+                  stdev: currentStats.stddev(),
+                  mean: currentStats.amean(),
+                  median: currentStats.median(),
+                  values: currentStats.data
+                },
+                baseline: {
+                  stdev: baselineStats.stddev(),
+                  mean: baselineStats.amean(),
+                  median: baselineStats.median(),
+                  values: baselineStats.data
+                },
+                statisticalTestU: result['p-value']
+              };
+            }
+          }
+          const meta = {
+            baseline: {
+              timestamp: dayjs(baseline.info.timestamp).format(TIME_FORMAT),
+              url: baseline.info.url,
+              alias: baseline.info.alias
+            },
+            current: {
+              timestamp: dayjs(message.data.info.timestamp).format(TIME_FORMAT),
+              url: message.data.info.url,
+              alias: message.data.info.alias
+            },
+            testOptions: this.compareOptions,
+            iterations: this.options.browsertime.iterations
+          };
+
+          if (this.compareOptions.saveBaseline) {
+            await saveBaseline(
+              message.data,
+              join(
+                this.compareOptions.baselinePath || process.cwd(),
+                `${this.options.compare.id}-${this.page}.json`
+              )
+            );
+          }
+
+          super.sendMessage(
+            'compare.pageSummary',
+            { metrics: finalResult, meta },
+            {
+              url: message.url,
+              group: message.group,
+              runTime: message.runTime
+            }
+          );
+        } else {
+          if (this.compareOptions.saveBaseline) {
+            await saveBaseline(
+              message.data,
+              join(
+                this.compareOptions.baselinePath || process.cwd(),
+                `${this.options.compare.id}-${this.page}.json`
+              )
+            );
+          }
+        }
+
+        break;
+      }
+    }
+  }
+}
diff --git a/lib/plugins/compare/pug/index.pug b/lib/plugins/compare/pug/index.pug
new file mode 100644
index 0000000000..c92698f6f5
--- /dev/null
+++ b/lib/plugins/compare/pug/index.pug
@@ -0,0 +1,135 @@
+- const compare = pageInfo.data.compare.pageSummary;
+
+h1 Compare
+
+if compare.meta.iterations < 21
+  p.error
+    | Warning: The number of iterations (#{compare.meta.iterations}) is less than the 
+    a(href='https://en.wikipedia.org/wiki/Mann–Whitney_U_test#Calculations') recommended minimum of 21. 
+    | This may impact the reliability of the statistical comparison.
+   
+p 
+  | In this web performance comparison, statistical tests are employed to analyze the significance of performance changes between baseline and current measurements. The Mann-Whitney U test, ideal for comparing independent samples, is used when analyzing different web pages or different conditions (e.g., comparing load times of a page with and without a new optimization). The Wilcoxon signed-rank test is applied to related or paired samples, such as comparing the response times of the same website before and after applying a specific optimization technique.
+
+h2 Settings
+p 
+  | The test conducted in this comparison is the #{compare.meta.testOptions.testType} test. The alternative hypothesis used for this test is "#{compare.meta.testOptions.alternative}".
+  if compare.meta.testOptions.testType === 'mannwhitneyu'
+    | For more information on the settings of the Mann-Whitney U test, please refer to the 
+    a(href='https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.mannwhitneyu.html') official documentation.
+    | The test was configured to use continuity (set to #{compare.meta.testOptions.mannwhitneyu.useContinuity}) and the method chosen was "#{compare.meta.testOptions.mannwhitneyu.method}".
+  else if compare.meta.testOptions.testType === 'wilcoxon'
+    | For more information on the settings of the Wilcoxon test, please refer to the 
+    a(href='https://docs.scipy.org/doc/scipy/reference/generated/scipy.stats.wilcoxon.html') official documentation.
+    | For this test, a correction parameter (#{compare.meta.testOptions.wilcoxon.correction ? 'enabled' : 'disabled'}) was applied to adjust for small sample sizes.
+
+
+p 
+  | The baseline test 
+  if compare.meta.baseline.alias
+    a(href=compare.meta.baseline.url) #{compare.meta.baseline.alias}
+  else 
+    a(href=compare.meta.baseline.url) #{compare.meta.baseline.url}
+  |  was conducted at #{compare.meta.baseline.timestamp} and the current test 
+  if compare.meta.current.alias
+    a(href=compare.meta.current.url) #{compare.meta.current.alias}
+  else 
+    a(href=compare.meta.current.url) #{compare.meta.current.url}
+  |  was conducted at #{compare.meta.current.timestamp}.
+
+
+h2 Comparison Data
+
+table
+  thead
+    tr
+      th Metric Name
+      th Score #{compare.meta.testOptions.testType}
+      th Baseline mean
+      th Current mean
+      th Baseline median
+      th Current median
+      th Baseline Std Dev
+      th Current Std Dev
+      th Significant Change?
+
+    tbody
+      each metricGroup, groupName in compare.metrics
+        each values, metricName in metricGroup
+          tr
+            td
+              b #{groupName + '.' + metricName}
+            if values.statisticalTestU === "N/A"
+              td N/A
+            else
+              td #{h.decimals(values.statisticalTestU)}
+            td #{h.decimals(values.baseline.mean)}
+            td #{h.decimals(values.current.mean)}
+            td #{h.decimals(values.baseline.median)}
+            td #{h.decimals(values.current.median)}
+            td #{h.decimals(values.baseline.stdev)}
+            td #{h.decimals(values.current.stdev)}
+            if values.statisticalTestU === "N/A"
+              td No Test Conducted
+            else
+              td #{values.statisticalTestU < 0.05 ? 'Yes' : 'No'}
+
+h2 Graphs
+
+each metricGroup, groupName in compare.metrics
+  each values, metricName in metricGroup
+    - var fullMetricName = groupName + '.' + metricName
+    - var metricId = fullMetricName.replace(/\./g, '_')
+    h3 #{fullMetricName}
+    .ct-chart(id=`chart-${metricId}`)
+      .ct-legend
+        span.ct-legend-item
+          i(style='background-color: #468847') &nbsp;
+          | Baseline: [#{values.baseline.values.join(', ')}]
+      .ct-legend
+        span.ct-legend-item
+          i(style='background-color: #c09853;') &nbsp;
+          | Current: [#{values.current.values.join(', ')}]
+    script(type='text/javascript').
+      document.addEventListener("DOMContentLoaded", function() {
+          var baselineData = !{JSON.stringify(values.baseline.values)};
+          var currentData = !{JSON.stringify(values.current.values)};
+          var metricId = '#{metricId}';
+          var overlapSeriesName = 'Overlap';
+
+          var chartData = {
+          series: [
+              {
+              name: 'Baseline',
+              data: baselineData.map((value, index) => ({ x: index + 1, y: value })),
+              className: 'baseline-series'
+              },
+              {
+              name: 'Current',
+              data: currentData.map((value, index) => ({ x: index + 1, y: value })),
+              className: 'current-series'
+              },
+              {
+              name: overlapSeriesName,
+              data: baselineData.map((value, index) => ({ x: index + 1, y: currentData[index] === value ? value : null }))
+            }
+          ]
+          };
+          var optionsApa = {
+          showLine: false,
+          axisX: {
+            
+          },
+          axisY: {
+              
+          }
+          };
+          var chart = new Chartist.Line(`#chart-${metricId}`, chartData, optionsApa);
+
+        // Take care of series that has the same value
+        chart.on('draw', function(data) {
+          if(data.type === 'point' && data.series.name === overlapSeriesName && data.value.y !== null) {
+            data.element._node.setAttribute('style', 'stroke: #59922b; stroke-width: 20px;');
+          }
+        });
+      });
diff --git a/lib/plugins/compare/statistical.py b/lib/plugins/compare/statistical.py
new file mode 100644
index 0000000000..97a53fd4fd
--- /dev/null
+++ b/lib/plugins/compare/statistical.py
@@ -0,0 +1,37 @@
+import sys
+import json
+from scipy.stats import wilcoxon, mannwhitneyu
+
+def has_variability(sample):
+    """Check if the sample has more than one unique value."""
+    return len(set(sample)) > 1
+
+def perform_test(test_type, sample1, sample2, **kwargs):
+    """Perform the statistical test based on the test type."""
+    if not has_variability(sample1) or not has_variability(sample2):
+        return None, "No variability"
+
+    if test_type == 'wilcoxon':
+        return wilcoxon(sample1, sample2, **kwargs)
+    elif test_type == 'mannwhitneyu':
+        return mannwhitneyu(sample1, sample2, **kwargs)
+    else:
+        raise ValueError("Invalid test type. Choose 'wilcoxon' or 'mannwhitneyu'.")
+
+input_data = json.loads(sys.stdin.read())
+options = input_data['options']
+test_type = options.pop('test_type')
+final_results = {}
+
+# Iterate over each metric group in the metrics dictionary
+for group_name, metrics in input_data['metrics'].items():
+    group_results = {}
+    for metric_name, metric_data in metrics.items():
+        stat, p = perform_test(test_type, metric_data['sample1'], metric_data['sample2'], **options)
+        if p == "No variability":
+            group_results[metric_name] = {'statistic': "N/A", 'p-value': "N/A"}
+        else:
+            group_results[metric_name] = {'statistic': stat, 'p-value': p}
+    final_results[group_name] = group_results
+
+print(json.dumps(final_results))
diff --git a/lib/plugins/graphite/data-generator.js b/lib/plugins/graphite/data-generator.js
index 08007a82b2..a5dd7436fd 100644
--- a/lib/plugins/graphite/data-generator.js
+++ b/lib/plugins/graphite/data-generator.js
@@ -18,7 +18,7 @@ function keyPathFromMessage(message, options, includeQueryParameters, alias) {
 
   // always have browser and connectivity in Browsertime and related tools
   if (
-    /(^pagexray|^coach|^browsertime|^largestassets|^slowestassets|^aggregateassets|^domains|^thirdparty|^axe|^sustainable)/.test(
+    /(^pagexray|^coach|^browsertime|^largestassets|^slowestassets|^aggregateassets|^domains|^thirdparty|^axe|^compare|^sustainable)/.test(
       message.type
     )
   ) {
diff --git a/lib/plugins/html/assets/css/index.min.css b/lib/plugins/html/assets/css/index.min.css
index 38d77fa459..aa9bf14c3d 100644
--- a/lib/plugins/html/assets/css/index.min.css
+++ b/lib/plugins/html/assets/css/index.min.css
@@ -1 +1 @@
-/*! normalize.css v4.1.1 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block}audio:not([controls]){display:none;height:0}progress{vertical-align:baseline}[hidden],template{display:none}a{background-color:transparent;-webkit-text-decoration-skip:objects}a:active,a:hover{outline-width:0}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:inherit}b,strong{font-weight:bolder}dfn{font-style:italic}h1{font-size:2em;margin:.67em 0}mark{background-color:#ff0;color:#000}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}svg:not(:root){overflow:hidden}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}figure{margin:1em 40px}hr{box-sizing:content-box;height:0;overflow:visible}button,input,optgroup,select,textarea{font:inherit;margin:0}optgroup{font-weight:700}button,input{overflow:visible}button,select{text-transform:none}[type=reset],[type=submit],button,html [type=button]{-webkit-appearance:button}[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner,button::-moz-focus-inner{border-style:none;padding:0}[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring,button:-moz-focusring{outline:1px dotted ButtonText}fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em 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egend-item 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li{padding-left:23px;margin-right:10px;margin-bottom:3px;cursor:pointer}.ct-chart .ct-legend li:before{width:12px;height:12px;position:absolute;left:0;content:"";border:3px solid transparent;border-radius:2px}.ct-chart .ct-legend li .inactive:before{background:0 0}.ct-chart .ct-legend li:first-child::before{background-color:#468847}.ct-chart .ct-legend li:nth-child(2)::before{background-color:#c09853}.ct-chart .ct-legend li:nth-child(3)::before{background-color:#b94a48}.ct-chart .ct-legend .ct-legend-inside{position:absolute;top:0;right:0}.ct-chart g:not(.ct-grids):not(.ct-labels) g:first-child .ct-line,.ct-chart g:not(.ct-grids):not(.ct-labels) g:first-child .ct-point{stroke:#468847}.ct-chart g:not(.ct-grids):not(.ct-labels) g:nth-child(2) .ct-line,.ct-chart g:not(.ct-grids):not(.ct-labels) g:nth-child(2) .ct-point{stroke:#c09853}.ct-chart g:not(.ct-grids):not(.ct-labels) g:nth-child(3) .ct-line,.ct-chart g:not(.ct-grids):not(.ct-labels) g:nth-child(3) .ct-point{stroke:#b94a48}.filmstrip{padding-bottom:20px}.videoframe{vertical-align:top;display:inline-block;padding:4px;background-color:#fff;border:1px solid #ddd;border-radius:4px;width:100%}.videoframe.blue{border:2px solid #0095d2}.videoframetime{text-align:center;display:block}.videoframetext{text-align:left;display:block;line-height:1.2em;font-size:.8em;white-space:nowrap;margin-bottom:.2em}
\ No newline at end of file
diff --git a/lib/plugins/html/src/sass/components/chartist.scss b/lib/plugins/html/src/sass/components/chartist.scss
index a377ad20ac..7e540e75ec 100644
--- a/lib/plugins/html/src/sass/components/chartist.scss
+++ b/lib/plugins/html/src/sass/components/chartist.scss
@@ -613,3 +613,34 @@
     left: 0; }
 
 /*# sourceMappingURL=chartist.css.map */
+
+.ct-legend {
+  display: flex;
+  // justify-content: center;
+  // align-items: center;
+  margin-top: 10px;
+  margin-left: 16px;
+  margin-bottom: 14x;
+}
+
+.ct-legend-item {
+  display: flex;
+  // align-items: center;
+  margin-right: 15px;
+  line-height: 18px;
+}
+
+.ct-legend-item i {
+  display: inline-block;
+  width: 18px;
+  height: 18px;
+  margin-right: 5px;
+}
+
+.baseline-series .ct-point, .baseline-series .ct-line {
+  stroke: green;
+}
+
+.current-series .ct-point, .current-series .ct-line {
+  stroke: blue;
+}
diff --git a/lib/support/helpers/decimals.js b/lib/support/helpers/decimals.js
index 63199a8256..4a465ec42d 100644
--- a/lib/support/helpers/decimals.js
+++ b/lib/support/helpers/decimals.js
@@ -1,4 +1,16 @@
 export function decimals(decimals) {
-  let number = Number(decimals).toFixed(3);
-  return number === '0.000' ? 0 : number;
+  const num = Number(decimals);
+
+  // Check if the number is an integer (no decimals)
+  if (Number.isInteger(num)) {
+    return num;
+  }
+
+  // If the number is less than 1, use three decimals
+  if (num < 1) {
+    return Number(num.toFixed(3));
+  }
+
+  // If the number is greater than 1 and has decimals, use one decimal
+  return Number(num.toFixed(1));
 }
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 5e66c2abf2..1741a422d7 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -15,7 +15,7 @@
         "@tgwf/co2": "0.13.6",
         "aws-sdk": "2.1327.0",
         "axe-core": "4.8.2",
-        "browsertime": "18.0.0",
+        "browsertime": "19.1.0",
         "cli-color": "2.0.3",
         "coach-core": "8.0.2",
         "concurrent-queue": "7.0.2",
@@ -985,9 +985,9 @@
       }
     },
     "node_modules/@sitespeed.io/geckodriver": {
-      "version": "0.33.0",
-      "resolved": "https://registry.npmjs.org/@sitespeed.io/geckodriver/-/geckodriver-0.33.0.tgz",
-      "integrity": "sha512-w6w+x9/Q44JekTPi8NlRsfh5Uz4TfquJcUEs0tA/oEcxLVxRS7VtaiaJEE0GzzN6cUmFS6Twas7E4bCA4k/Yxg==",
+      "version": "0.33.0-c",
+      "resolved": "https://registry.npmjs.org/@sitespeed.io/geckodriver/-/geckodriver-0.33.0-c.tgz",
+      "integrity": "sha512-HRZubf9VOvPcMl9gjOjsom1vVGPZhc53n+BVdXh9uVloT603rO/1W6ny12WcR1EDVctPXfPoneFguqHdT5W5rQ==",
       "hasInstallScript": true,
       "dependencies": {
         "node-downloader-helper": "2.1.5",
@@ -1759,15 +1759,15 @@
       }
     },
     "node_modules/browsertime": {
-      "version": "18.0.0",
-      "resolved": "https://registry.npmjs.org/browsertime/-/browsertime-18.0.0.tgz",
-      "integrity": "sha512-E0BJVPahR/MgzyuANrvm2gnA7SiMgDw83VzEiYttd9YA/5uO26wmaRMs46Xo9xzah/d+0LQA/GO9a7bzc0dx+g==",
+      "version": "19.1.0",
+      "resolved": "https://registry.npmjs.org/browsertime/-/browsertime-19.1.0.tgz",
+      "integrity": "sha512-LurCshUpj/W8XiN1Cfzem6RpqVSm/g9efW2PijO0y5KLuzZb4a+In5LIFH10Zm9PnHTyfs1aMow5ECnXNXQRag==",
       "dependencies": {
         "@cypress/xvfb": "1.2.4",
         "@devicefarmer/adbkit": "3.2.5",
         "@sitespeed.io/chromedriver": "119.0.6045-105",
         "@sitespeed.io/edgedriver": "119.0.2151-42",
-        "@sitespeed.io/geckodriver": "0.33.0",
+        "@sitespeed.io/geckodriver": "0.33.0-c",
         "@sitespeed.io/throttle": "5.0.0",
         "@sitespeed.io/tracium": "0.3.3",
         "btoa": "1.2.1",
@@ -6115,9 +6115,9 @@
       "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q=="
     },
     "node_modules/minipass": {
-      "version": "4.2.5",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-4.2.5.tgz",
-      "integrity": "sha512-+yQl7SX3bIT83Lhb4BVorMAHVuqsskxRdlmO9kTpyukp8vsm2Sn/fUOV9xlnG8/a5JsypJzap21lz/y3FBMJ8Q==",
+      "version": "4.2.8",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-4.2.8.tgz",
+      "integrity": "sha512-fNzuVyifolSLFL4NzpF+wEF4qrgqaaKX0haXPQEdQ7NKAN+WecoKMHV09YcuL/DHxrUsYQOK3MiuDf7Ip2OXfQ==",
       "engines": {
         "node": ">=8"
       }
@@ -9990,9 +9990,9 @@
       }
     },
     "@sitespeed.io/geckodriver": {
-      "version": "0.33.0",
-      "resolved": "https://registry.npmjs.org/@sitespeed.io/geckodriver/-/geckodriver-0.33.0.tgz",
-      "integrity": "sha512-w6w+x9/Q44JekTPi8NlRsfh5Uz4TfquJcUEs0tA/oEcxLVxRS7VtaiaJEE0GzzN6cUmFS6Twas7E4bCA4k/Yxg==",
+      "version": "0.33.0-c",
+      "resolved": "https://registry.npmjs.org/@sitespeed.io/geckodriver/-/geckodriver-0.33.0-c.tgz",
+      "integrity": "sha512-HRZubf9VOvPcMl9gjOjsom1vVGPZhc53n+BVdXh9uVloT603rO/1W6ny12WcR1EDVctPXfPoneFguqHdT5W5rQ==",
       "requires": {
         "node-downloader-helper": "2.1.5",
         "node-stream-zip": "1.15.0",
@@ -10574,15 +10574,15 @@
       }
     },
     "browsertime": {
-      "version": "18.0.0",
-      "resolved": "https://registry.npmjs.org/browsertime/-/browsertime-18.0.0.tgz",
-      "integrity": "sha512-E0BJVPahR/MgzyuANrvm2gnA7SiMgDw83VzEiYttd9YA/5uO26wmaRMs46Xo9xzah/d+0LQA/GO9a7bzc0dx+g==",
+      "version": "19.1.0",
+      "resolved": "https://registry.npmjs.org/browsertime/-/browsertime-19.1.0.tgz",
+      "integrity": "sha512-LurCshUpj/W8XiN1Cfzem6RpqVSm/g9efW2PijO0y5KLuzZb4a+In5LIFH10Zm9PnHTyfs1aMow5ECnXNXQRag==",
       "requires": {
         "@cypress/xvfb": "1.2.4",
         "@devicefarmer/adbkit": "3.2.5",
         "@sitespeed.io/chromedriver": "119.0.6045-105",
         "@sitespeed.io/edgedriver": "119.0.2151-42",
-        "@sitespeed.io/geckodriver": "0.33.0",
+        "@sitespeed.io/geckodriver": "0.33.0-c",
         "@sitespeed.io/throttle": "5.0.0",
         "@sitespeed.io/tracium": "0.3.3",
         "btoa": "1.2.1",
@@ -13878,9 +13878,9 @@
       "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q=="
     },
     "minipass": {
-      "version": "4.2.5",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-4.2.5.tgz",
-      "integrity": "sha512-+yQl7SX3bIT83Lhb4BVorMAHVuqsskxRdlmO9kTpyukp8vsm2Sn/fUOV9xlnG8/a5JsypJzap21lz/y3FBMJ8Q=="
+      "version": "4.2.8",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-4.2.8.tgz",
+      "integrity": "sha512-fNzuVyifolSLFL4NzpF+wEF4qrgqaaKX0haXPQEdQ7NKAN+WecoKMHV09YcuL/DHxrUsYQOK3MiuDf7Ip2OXfQ=="
     },
     "minizlib": {
       "version": "2.1.2",
diff --git a/package.json b/package.json
index db1bebb599..bfb48bc9d7 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,7 @@
     "@tgwf/co2": "0.13.6",
     "aws-sdk": "2.1327.0",
     "axe-core": "4.8.2",
-    "browsertime": "18.0.0",
+    "browsertime": "19.1.0",
     "coach-core": "8.0.2",
     "cli-color": "2.0.3",
     "concurrent-queue": "7.0.2",
diff --git a/test/compare-1.json b/test/compare-1.json
new file mode 100644
index 0000000000..694815ba7c
--- /dev/null
+++ b/test/compare-1.json
@@ -0,0 +1 @@
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