diff --git a/lib/api/map/analyses-catalog-controller.js b/lib/api/map/analyses-catalog-controller.js
index e1a27641..917a9402 100644
--- a/lib/api/map/analyses-catalog-controller.js
+++ b/lib/api/map/analyses-catalog-controller.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const PSQL = require('cartodb-psql');
+const tag = require('../middlewares/tag');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
 const authorize = require('../middlewares/authorize');
@@ -23,6 +24,7 @@ module.exports = class AnalysesController {
 
     middlewares () {
         return [
+            tag({ tags: ['analysis', 'catalog'] }),
             credentials(),
             authorize(this.authBackend),
             dbConnSetup(this.pgConnection),
diff --git a/lib/api/map/analysis-layergroup-controller.js b/lib/api/map/analysis-layergroup-controller.js
index 188292e5..9719a3d9 100644
--- a/lib/api/map/analysis-layergroup-controller.js
+++ b/lib/api/map/analysis-layergroup-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const layergroupToken = require('../middlewares/layergroup-token');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
@@ -23,6 +24,7 @@ module.exports = class AnalysisLayergroupController {
 
     middlewares () {
         return [
+            tag({ tags: ['analysis', 'node'] }),
             layergroupToken(),
             credentials(),
             authorize(this.authBackend),
diff --git a/lib/api/map/anonymous-map-controller.js b/lib/api/map/anonymous-map-controller.js
index ad0f4324..dddc07b2 100644
--- a/lib/api/map/anonymous-map-controller.js
+++ b/lib/api/map/anonymous-map-controller.js
@@ -3,6 +3,7 @@
 const windshaft = require('windshaft');
 const MapConfig = windshaft.model.MapConfig;
 const Datasource = windshaft.model.Datasource;
+const tag = require('../middlewares/tag');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
 const dbConnSetup = require('../middlewares/db-conn-setup');
@@ -90,6 +91,7 @@ module.exports = class AnonymousMapController {
         };
 
         return [
+            tag({ tags: ['map', 'anonymous'] }),
             metrics({
                 enabled: this.config.pubSubMetrics.enabled,
                 metricsBackend: this.metricsBackend,
diff --git a/lib/api/map/attributes-layergroup-controller.js b/lib/api/map/attributes-layergroup-controller.js
index ad0f1bc8..56396d7b 100644
--- a/lib/api/map/attributes-layergroup-controller.js
+++ b/lib/api/map/attributes-layergroup-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const layergroupToken = require('../middlewares/layergroup-token');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
@@ -38,6 +39,7 @@ module.exports = class AttributesLayergroupController {
 
     middlewares () {
         return [
+            tag({ tags: ['attributes'] }),
             layergroupToken(),
             credentials(),
             authorize(this.authBackend),
diff --git a/lib/api/map/clustered-features-layergroup-controller.js b/lib/api/map/clustered-features-layergroup-controller.js
index 611813c4..8bcb23b5 100644
--- a/lib/api/map/clustered-features-layergroup-controller.js
+++ b/lib/api/map/clustered-features-layergroup-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const layergroupToken = require('../middlewares/layergroup-token');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
@@ -38,6 +39,7 @@ module.exports = class AggregatedFeaturesLayergroupController {
 
     middlewares () {
         return [
+            tag({ tags: ['cluster'] }),
             layergroupToken(),
             credentials(),
             authorize(this.authBackend),
diff --git a/lib/api/map/dataview-layergroup-controller.js b/lib/api/map/dataview-layergroup-controller.js
index 8f849565..ab004e4b 100644
--- a/lib/api/map/dataview-layergroup-controller.js
+++ b/lib/api/map/dataview-layergroup-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const layergroupToken = require('../middlewares/layergroup-token');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
@@ -76,6 +77,7 @@ module.exports = class DataviewLayergroupController {
 
     middlewares ({ action, rateLimitGroup }) {
         return [
+            tag({ tags: ['dataview', action] }),
             layergroupToken(),
             credentials(),
             authorize(this.authBackend),
diff --git a/lib/api/map/preview-layergroup-controller.js b/lib/api/map/preview-layergroup-controller.js
index 0d8edf9e..a2177ee5 100644
--- a/lib/api/map/preview-layergroup-controller.js
+++ b/lib/api/map/preview-layergroup-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const layergroupToken = require('../middlewares/layergroup-token');
 const coordinates = require('../middlewares/coordinates');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
@@ -61,6 +62,7 @@ module.exports = class PreviewLayergroupController {
         }
 
         return [
+            tag({ tags: ['static', 'tile'] }),
             layergroupToken(),
             validateZoom ? coordinates({ z: true, x: false, y: false }) : noop(),
             credentials(),
diff --git a/lib/api/map/preview-template-controller.js b/lib/api/map/preview-template-controller.js
index dc960510..2301e7d4 100644
--- a/lib/api/map/preview-template-controller.js
+++ b/lib/api/map/preview-template-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
 const dbConnSetup = require('../middlewares/db-conn-setup');
@@ -67,6 +68,7 @@ module.exports = class PreviewTemplateController {
         };
 
         return [
+            tag({ tags: ['named', 'static', 'tile'] }),
             metrics({
                 enabled: this.config.pubSubMetrics.enabled,
                 metricsBackend: this.metricsBackend,
diff --git a/lib/api/map/tile-layergroup-controller.js b/lib/api/map/tile-layergroup-controller.js
index 5c5c468f..9b6a8e6c 100644
--- a/lib/api/map/tile-layergroup-controller.js
+++ b/lib/api/map/tile-layergroup-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const layergroupToken = require('../middlewares/layergroup-token');
 const coordinates = require('../middlewares/coordinates');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
@@ -59,6 +60,7 @@ module.exports = class TileLayergroupController {
 
     middlewares () {
         return [
+            tag({ tags: ['tile'] }),
             layergroupToken(),
             coordinates(),
             credentials(),
diff --git a/lib/api/middlewares/tag.js b/lib/api/middlewares/tag.js
new file mode 100644
index 00000000..de5404b1
--- /dev/null
+++ b/lib/api/middlewares/tag.js
@@ -0,0 +1,15 @@
+'use strict';
+
+module.exports = function tag ({ tags }) {
+    if (!Array.isArray(tags) || !tags.every((tag) => typeof tag === 'string')) {
+        throw new Error('Required "tags" option must be a valid Array: [string, string, ...]');
+    }
+
+    return function tagMiddleware (req, res, next) {
+        const { logger } = res.locals;
+        res.locals.tags = tags;
+        res.on('finish', () => logger.info({ tags: res.locals.tags }));
+
+        next();
+    };
+};
diff --git a/lib/api/template/admin-template-controller.js b/lib/api/template/admin-template-controller.js
index 1a9e90e2..6c01807c 100644
--- a/lib/api/template/admin-template-controller.js
+++ b/lib/api/template/admin-template-controller.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const { templateName } = require('../../backends/template-maps');
+const tag = require('../middlewares/tag');
 const credentials = require('../middlewares/credentials');
 const rateLimit = require('../middlewares/rate-limit');
 const { RATE_LIMIT_ENDPOINTS_GROUPS } = rateLimit;
@@ -76,6 +77,7 @@ module.exports = class AdminTemplateController {
         }
 
         return [
+            tag({ tags: ['named', 'admin', action] }),
             credentials(),
             authorizedByAPIKey({ authBackend: this.authBackend, action, label }),
             rateLimit(this.userLimitsBackend, rateLimitGroup),
diff --git a/lib/api/template/named-template-controller.js b/lib/api/template/named-template-controller.js
index a7d0b009..2921748b 100644
--- a/lib/api/template/named-template-controller.js
+++ b/lib/api/template/named-template-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
 const dbConnSetup = require('../middlewares/db-conn-setup');
@@ -88,6 +89,7 @@ module.exports = class NamedMapController {
         };
 
         return [
+            tag({ tags: ['map', 'named'] }),
             metrics({
                 enabled: this.config.pubSubMetrics.enabled,
                 metricsBackend: this.metricsBackend,
diff --git a/lib/api/template/tile-template-controller.js b/lib/api/template/tile-template-controller.js
index bb2b0aa7..285eb0d0 100644
--- a/lib/api/template/tile-template-controller.js
+++ b/lib/api/template/tile-template-controller.js
@@ -1,5 +1,6 @@
 'use strict';
 
+const tag = require('../middlewares/tag');
 const coordinates = require('../middlewares/coordinates');
 const cleanUpQueryParams = require('../middlewares/clean-up-query-params');
 const credentials = require('../middlewares/credentials');
@@ -37,6 +38,7 @@ module.exports = class TileTemplateController {
 
     middlewares () {
         return [
+            tag({ tags: ['tile', 'named'] }),
             coordinates(),
             credentials(),
             authorize(this.authBackend),