diff --git a/apps/api/src/api.controller.ts b/apps/api/src/api.controller.ts
index 12f80997..98fd5e2f 100644
--- a/apps/api/src/api.controller.ts
+++ b/apps/api/src/api.controller.ts
@@ -270,8 +270,8 @@ export class ApiController {
         user: comment.publisher.name,
         userId: comment.publisher.id,
         userImage: comment.publisher.image,
-        countLikes: comment.numberOfLikes,
-        countDislikes: comment.numberOfDislikes,
+        countLikes: comment.likes.length,
+        countDislikes: comment.dislikes.length,
         userLiked: comment.likes.includes(credentials.userId),
         userDisliked: comment.dislikes.includes(credentials.userId),
         body: comment.content,
@@ -384,7 +384,7 @@ export class ApiController {
   ) {
     this.algolia('clickedObjectIDs', {
       eventName: 'Course Clicked',
-      index: 'course',
+      index: 'courses',
       userToken: credentials.userId,
       objectIDs: [id],
     });
diff --git a/apps/api/src/instructor/infrastructure/queries/get-instructor-by-id.query.ts b/apps/api/src/instructor/infrastructure/queries/get-instructor-by-id.query.ts
index d28dae29..53e2e99d 100644
--- a/apps/api/src/instructor/infrastructure/queries/get-instructor-by-id.query.ts
+++ b/apps/api/src/instructor/infrastructure/queries/get-instructor-by-id.query.ts
@@ -27,7 +27,7 @@ export class GetInstructorByIdQuery {
     return {
       id: instructor.id,
       name: instructor.name,
-      followers: instructor.followerCount,
+      followers: instructor.followers.length,
       userFollow: instructor.followers.includes(credentials.userId),
       location: `${instructor.city}, ${instructor.country}`,
       image: instructor.image,
diff --git a/apps/datasync/src/projectors/blog/algolia-blog.projector.ts b/apps/datasync/src/projectors/blog/algolia-blog.projector.ts
index 3182887a..705b549f 100644
--- a/apps/datasync/src/projectors/blog/algolia-blog.projector.ts
+++ b/apps/datasync/src/projectors/blog/algolia-blog.projector.ts
@@ -22,7 +22,7 @@ export class AlgoliaBlogProjector implements Projector, OnModuleInit {
     @InjectModel(MongoBlog.name)
     private readonly blogModel: Model<MongoBlog>,
   ) {
-    this.index = this.algolia.initIndex('blog');
+    this.index = this.algolia.initIndex('blogs');
   }
 
   private index: SearchIndex;
diff --git a/apps/datasync/src/projectors/course/algolia-course.projector.ts b/apps/datasync/src/projectors/course/algolia-course.projector.ts
index 240d79b8..875bec20 100644
--- a/apps/datasync/src/projectors/course/algolia-course.projector.ts
+++ b/apps/datasync/src/projectors/course/algolia-course.projector.ts
@@ -24,7 +24,7 @@ export class AlgoliaCourseProjector
     @InjectModel(MongoCourse.name)
     private readonly courseModel: Model<MongoCourse>,
   ) {
-    this.index = this.algolia.initIndex('course');
+    this.index = this.algolia.initIndex('courses');
   }
 
   private index: SearchIndex;
diff --git a/apps/datasync/src/projectors/events/algolia-events.projector.ts b/apps/datasync/src/projectors/events/algolia-events.projector.ts
index b9f0031d..ecec5d4f 100644
--- a/apps/datasync/src/projectors/events/algolia-events.projector.ts
+++ b/apps/datasync/src/projectors/events/algolia-events.projector.ts
@@ -25,7 +25,7 @@ export class AlgoliaEventsProjector implements Projector {
   ) {
     this.algolia('convertedObjectIDs', {
       eventName: 'Course Started',
-      index: 'course',
+      index: 'courses',
       userToken: event.context.user,
       objectIDs: [event.dispatcherId],
     });
@@ -41,7 +41,7 @@ export class AlgoliaEventsProjector implements Projector {
   ) {
     this.algolia('convertedObjectIDs', {
       eventName: 'Course Watched',
-      index: 'course',
+      index: 'courses',
       userToken: event.context.user,
       objectIDs: [event.dispatcherId],
     });
@@ -54,7 +54,7 @@ export class AlgoliaEventsProjector implements Projector {
   ) {
     this.algolia('convertedObjectIDs', {
       eventName: 'Course Completed',
-      index: 'course',
+      index: 'courses',
       userToken: event.context.user,
       objectIDs: [event.dispatcherId],
     });
diff --git a/libs/core/src/infrastructure/search/providers/algolia-facets.service.ts b/libs/core/src/infrastructure/search/providers/algolia-facets.service.ts
index aaa0dd12..c010efa2 100644
--- a/libs/core/src/infrastructure/search/providers/algolia-facets.service.ts
+++ b/libs/core/src/infrastructure/search/providers/algolia-facets.service.ts
@@ -15,8 +15,8 @@ export class GetPopularAlgoliaFacetsService implements Service<DTO, string[]> {
     @InjectAlgolia()
     private readonly algolia: SearchClient,
   ) {
-    this.blogIndex = this.algolia.initIndex('blog');
-    this.courseIndex = this.algolia.initIndex('course');
+    this.blogIndex = this.algolia.initIndex('blogs');
+    this.courseIndex = this.algolia.initIndex('courses');
   }
 
   private blogIndex: SearchIndex;
diff --git a/libs/core/src/infrastructure/search/providers/search-blogs/algolia/algolia-search-blogs.service.ts b/libs/core/src/infrastructure/search/providers/search-blogs/algolia/algolia-search-blogs.service.ts
index f7833ba7..0c34f89b 100644
--- a/libs/core/src/infrastructure/search/providers/search-blogs/algolia/algolia-search-blogs.service.ts
+++ b/libs/core/src/infrastructure/search/providers/search-blogs/algolia/algolia-search-blogs.service.ts
@@ -23,7 +23,7 @@ export class AlgoliaSearchBlogsService implements Service<SearchDto, Response> {
     @InjectAlgolia()
     private readonly algolia: SearchClient,
   ) {
-    this.index = this.algolia.initIndex('blog');
+    this.index = this.algolia.initIndex('blogs');
   }
 
   private index: SearchIndex;
diff --git a/libs/core/src/infrastructure/search/providers/search-courses/algolia/algolia-search-courses.service.ts b/libs/core/src/infrastructure/search/providers/search-courses/algolia/algolia-search-courses.service.ts
index 2ad882c7..310144df 100644
--- a/libs/core/src/infrastructure/search/providers/search-courses/algolia/algolia-search-courses.service.ts
+++ b/libs/core/src/infrastructure/search/providers/search-courses/algolia/algolia-search-courses.service.ts
@@ -25,7 +25,7 @@ export class AlgoliaSearchCoursesService
     @InjectAlgolia()
     private readonly algolia: SearchClient,
   ) {
-    this.index = this.algolia.initIndex('course');
+    this.index = this.algolia.initIndex('courses');
   }
 
   private index: SearchIndex;