Performance improvement of WordPress by accelerating Nginx

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As mentioned by this tweet, I am interested in accelerating web service.

In this article I accelerated Nginx which is service window of WordPress.
I performed benchmark before and after.

You can see where it is.




Other improvements are in this article.

How to accelerate WordPress
In this article let me summarize how to accelerate WordPress.System architectureYou can find from m...

What I did

I added this line in http block of Nginx configuration file.
You can refer official document how to write.

fastcgi_cache_path /var/cache/nginx/fastcgi_cache levels=1:2 keys_zone=wpcache:30m max_size=512M inactive=600m;



This is server block.
– fastcgi cache condition.
– Expires header for static contents like png, jpeg or others.
Link
– Open file cache introduced.
Link

  location ~ \.php$ {
     fastcgi_split_path_info ^(.+\.php)(/.+)$;
     fastcgi_pass wordpress:9000;
     fastcgi_index index.php;
     include fastcgi_params;
     fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
     fastcgi_param PATH_INFO $fastcgi_path_info;
+    fastcgi_cache wpcache;
+    fastcgi_cache_key "$request_method:$scheme://$host$request_uri";
+    fastcgi_cache_valid  200 60m;
+    set $do_not_cache 0;

+    if ($request_method = POST) {
+      set $do_not_cache 1;
+    }

+    if ($query_string != "") {
+      set $do_not_cache 1;
+    }

+    if ($http_cookie ~* "comment_author|wordpress_[a-f0-9]+|wp-postpass|wordpress_no_cache|wordpress_logged_in") {
+      set $do_not_cache 1;
+    }

+    if ($request_uri ~* "(/wp-admin/|/xmlrpc.php|/wp-(app|cron|login|register|mail).php|wp-.*.php|/feed/|index.php|wp-comments-popup.php|wp-links-opml.php|wp-locations.php|sitemap(_index)?.xml|[a-z0-9_-]+-sitemap([0-9]+)?.xml)") {
+      set $do_not_cache 1;
+    }

+    fastcgi_no_cache     $do_not_cache;
+    fastcgi_cache_bypass $do_not_cache;
+    add_header X-F-Cache $upstream_cache_status;
   }

+  location ~* \.(jpg|jpeg|gif|png|css|js|swf|ico|pdf|svg|eot|ttf|woff)$ {
+    expires 60d;
+    access_log off;
+  }

+  open_file_cache max=100000 inactive=20s;
+  open_file_cache_valid 30s;
+  open_file_cache_min_uses 2;
+  open_file_cache_errors on;



You can reflect these changes by restart/reload Nginx.

Before vs after

I use this article image which runs on Raspberry Pi 4 as “Before”.



I measured with below condition.

- Using LightHouse in Developers Tools of Chrome browser.
  Checking Performance only
- Taking median as representative(n = 5).
- Measuring on secret tab of Chrome.


Before
<—Mobile Desktop—>



After
<—Mobile Desktop—>



Mobile improved 6 points, Desktop did 12 points!
Mobile is over 150% better than before!

Conclusion

How was it?

Yes, you can do it!

Comments

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