diff --git a/lib/api/legacy-routes.cjs b/lib/api/legacy-routes.cjs
index f654a8fa..912a20e0 100644
--- a/lib/api/legacy-routes.cjs
+++ b/lib/api/legacy-routes.cjs
@@ -32,6 +32,7 @@ const {
   ADMIN_TOKEN = '',
   API_IDFIX_URL = 'https://plateforme.adresse.data.gouv.fr/api-idfix',
   API_IDFIX_TOKEN = '',
+  BAN_API_URL = '',
 } = process.env
 
 const prepareMethode = {
@@ -56,10 +57,25 @@ const getLegacyTypeFromId = id => {
   }
 }
 
-let sendToTracker = () => console.warn('Legacy-routes: sendToTracker not yet implemented')
-import('../util/analytics-tracker.js').then(s => {
-  sendToTracker = s.sendToTracker
-})
+const sendToTracker = async ({url: paramUrl, download: paramDownload, ...params} = {}, ...args) => {
+  const module = await import('../util/analytics-tracker.js')
+  if (!module.sendToTracker) {
+    console.warn('Legacy-routes: sendToTracker not found')
+    return
+  }
+
+  const url = paramUrl && `${BAN_API_URL}${paramUrl}`
+  const download = paramDownload && `${BAN_API_URL}${paramDownload}`
+
+  return module.sendToTracker(
+    {
+      ...(url ? {url} : {}),
+      ...(download ? {download} : {}),
+      ...params
+    },
+    ...args)
+}
+
 const trackEventDefault = {
   category: 'API Legacy',
   value: 1,
@@ -133,12 +149,13 @@ const analyticsMiddleware = {
     next?.()
   },
   downloadCommuneData(req, res, next) {
-    const {url} = req
+    const {url, commune = {}} = req
     const {codeCommune, downloadFormat, downloadType} = req.params
+    const nomCommune = commune?.nomCommune
     const trackEvent = {
-      category: 'Download Commune DATA API (From Legacy)',
-      action: `Download ${downloadType} (Format ${downloadFormat})`,
-      name: codeCommune,
+      category: 'Download',
+      action: `Download Commune ${downloadType} (Format ${downloadFormat})`,
+      name: `${codeCommune}${nomCommune ? ` - ${nomCommune}` : ''}`,
       value: 1,
     }
     sendToTracker({url, download: url, trackEvent})
@@ -186,6 +203,7 @@ app.param(
   })
 )
 
+// API Download Commune Data
 app.get(
   '/ban/communes/:codeCommune/download/:downloadFormat/:downloadType',
   analyticsMiddleware.downloadCommuneData,
@@ -213,6 +231,7 @@ app.get(
   })
 )
 
+// API-Legacy
 app.post(
   '/ban/communes/:codeCommune/compose',
   ensureIsAdmin,
@@ -367,6 +386,7 @@ app.get(
   })
 )
 
+// BAN Stats
 app.get(
   '/ban/stats',
   w(async (req, res) => {
@@ -375,23 +395,26 @@ app.get(
   })
 )
 
-app.post('/ban/stats', w(async (req, res) => {
-  const {codesCommune} = req.body
-  if (!codesCommune || codesCommune.length === 0) {
-    return res
-      .status(404)
-      .send({code: 404, message: 'Paramètre codesCommune manquant ou invalide'})
-  }
+app.post(
+  '/ban/stats',
+  w(async (req, res) => {
+    const {codesCommune} = req.body
+    if (!codesCommune || codesCommune.length === 0) {
+      return res
+        .status(404)
+        .send({code: 404, message: 'Paramètre codesCommune manquant ou invalide'})
+    }
 
-  try {
-    const stats = await computeFilteredStats(codesCommune)
-    res.send(stats)
-  } catch (error) {
-    console.error(error)
-    res.status(500).send({code: 500, message: 'Une erreur est survenu lors du calcul des statistiques'})
-  }
-}))
+    try {
+      const stats = await computeFilteredStats(codesCommune)
+      res.send(stats)
+    } catch (error) {
+      console.error(error)
+      res.status(500).send({code: 500, message: 'Une erreur est survenu lors du calcul des statistiques'})
+    }
+  }))
 
+// BAN Carto Tiles
 app.get(
   '/tiles/ban/:z/:x/:y.pbf',
   w(async (req, res) => {
diff --git a/lib/util/analytics-tracker.js b/lib/util/analytics-tracker.js
index b625954d..31ce8679 100644
--- a/lib/util/analytics-tracker.js
+++ b/lib/util/analytics-tracker.js
@@ -1,51 +1,66 @@
 /* eslint-disable camelcase */
 
-import os from 'node:os'
-import MatomoTracker from 'matomo-tracker'
-
-const {MATOMO_URL, MATOMO_SITE_ID, NODE_ENV} = process.env
-
-let MATOMO_ERROR = false
+// CF. Tracking HTTP API documentation :
+// https://developer.matomo.org/api-reference/tracking-api
 
-let matomo
+import os from 'node:os'
+import fetch from '../util/fetch.cjs'
 
-const isDevMode = () => NODE_ENV !== 'production'
+const {
+  MATOMO_URL,
+  MATOMO_SITE_ID,
+  MATOMO_TOKEN_AUTH,
+  NODE_ENV
+} = process.env
+const isDevMode = NODE_ENV !== 'production'
+const matomoUrl = `${MATOMO_URL}/matomo.php`
 
 const logMatomoError = err => {
-  MATOMO_ERROR = true
-  console.warn('[WARNING] tracking request:', err)
+  console.log('error tracking request:', err)
 }
 
-const matomoUrl = `${MATOMO_URL}/matomo.php`
+const encodeParams = params => Object.fromEntries(
+  Object
+    .entries(params || {})
+    .map(([key, value]) => [key, typeof value === 'string' ? encodeURIComponent(value) : value]),
+)
 
-try {
-  const matomo = new MatomoTracker(MATOMO_SITE_ID, matomoUrl)
-  matomo.on('error', logMatomoError)
-} catch (error) {
-  logMatomoError(error)
-}
+export const getTrackEvent = ({category, action, name, value = 1}) => ({
+  e_c: encodeURIComponent(`${isDevMode ? 'DEVMODE - ' : ''}${category}`), // Category name
+  e_a: encodeURIComponent(action), // Action name
+  e_n: encodeURIComponent(name), // Name
+  e_v: value, // Value
+})
 
-export const getTrackEvent = ({category, action, name, value}) => {
-  const DEVMODE = isDevMode()
+export const sendToTracker = async (params = {}) => {
+  const {url, ua, download, trackEvent, ...otherParams} = params
+  const safeOtherParams = encodeParams(otherParams)
+  const requiredParams = {
+    idsite: MATOMO_SITE_ID,
+    rec: 1,
+    ua: ua || encodeURIComponent(`${os.hostname()} / Node.JS ${process.version} / ${os.version()}`),
+    ...(MATOMO_TOKEN_AUTH ? {token_auth: MATOMO_TOKEN_AUTH} : {}),
+  }
+  const urlSearchParams = new URLSearchParams({
+    ...requiredParams,
+    ...safeOtherParams,
+    ...(url ? {url: encodeURIComponent(url)} : {}),
+    ...(download ? {download: encodeURIComponent(download)} : {}),
+    ...(trackEvent ? getTrackEvent(trackEvent) : {}),
+  })
 
-  // CF. Tracking HTTP API documentation :
-  // https://developer.matomo.org/api-reference/tracking-api
+  try {
+    const sentToMatomoWithHTTP = await fetch(matomoUrl, {
+      method: 'POST',
+      body: urlSearchParams,
+    })
 
-  return {
-    e_c: `${DEVMODE ? 'DEVMODE - ' : ''}${category}`, // Category name
-    e_a: action, // Action name
-    e_n: name, // Name
-    ...(value ? {e_v: value} : {}), // Value
+    if (sentToMatomoWithHTTP.status !== 200) {
+      throw new Error(`Matomo HTTP API returned ${sentToMatomoWithHTTP.status}`)
+    }
+  } catch (error) {
+    logMatomoError(error)
   }
 }
 
-export const sendToTracker = ({url, download, trackEvent}) =>
-  !MATOMO_ERROR
-  && matomo?.track({
-    ua: `${os.hostname()} / Node.JS ${process.version} / ${os.version()}`,
-    ...(url ? {url} : {}),
-    ...(download ? {download} : {}),
-    ...(trackEvent ? getTrackEvent(trackEvent) : {})
-  })
-
 export default sendToTracker