Improved query strings caching

CHANGELOG.md

@@ -13,6 +13,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - MariaDB 10.5 support (installed by default)
 - Upgrade to MariaDB 10.5 with `wo stack migrate --mariadb`
 
+#### Changed
+
+- Improved Nginx caching rules to cache requests with query strings related to analytics (utm_, fbclid)
+
 #### Fixed
 
 - Useless php-cli version removal

wo/cli/templates/map-wp.mustache

@@ -60,11 +60,25 @@ map $http_user_agent $mobile_prefix {
 }
 
 # do not cache requests with query strings
-map $is_args $query_no_cache {
+map $is_args $is_args_no_cache {
     default 1;
     "" 0;
 }
 
+# cache requests with query string related to analytics
+map $args $args_to_cache {
+    default 0;
+    "~*utm_" 1;
+    "~*fbclid" 1;
+}
+
+# do not cache requests with query strings excepted analytics related queries
+map $is_args_no_cache$args_to_cache $query_no_cache {
+    defaut 1;
+    00 0;
+    11 0;
+}
+
 # if all previous check are passed, $skip_cache = 0
 map $http_request_no_cache$cookie_no_cache$uri_no_cache$query_no_cache $skip_cache {
     default 1;