Multiple data centers and HTTP traffic: DNS Round Robin is the ONLY way to assure instant fail-over?

When I use the term “DNS Round Robin” I generally mean in in the sense of the “cheap load balancing technique” as OP describes it. But that’s not the only way DNS can be used for global high availability. Most of the time, it’s just hard for people with different (technology) backgrounds to communicate well. … Read more

Change WordPress Resource URL

To dinamically change the stylesheet and template URI you can use stylesheet_uri filter and template_directory_uri filter. For example: add_filter( ‘stylesheet_uri’, function( $stylesheet_uri ) { $stylesheet_uri = ‘your new stylesheet URI here’; return $stylesheet_uri; } ); But, as you are using W3TC, you can configure that change in the plugin itself (Generic Mirror and Self-hosted CDN … Read more

Warnings even when the WP_DEBUG set to false

Thanks all of you for your response the issue got resolved. The problem was with cached copy of this link https://vreqenz-stream.de/shop/ . I had WP Rocket for caching and apparently it is not doing very good job of purging the cache. I got sure that it is cache issue when I defined the WP_CACHE as … Read more

how optimize CDN without using plugins

You get 94% / 87% so what seem to be the problem? The only thing i can thing of is the 7.0s load time which is ok but a bit long.. I have also checked your website on Google PageSpeed Insights and the results warn’t too bad. You need better servers, fast servers Try combining … Read more