Webserver

Apache/nginx incorrect behavior and everything else related to Web.

Sites on Plesk loading slowly: high TTFB and CPU usage by Apache
What are the best practices of preferred domain configuration?
How to restrict Administrator access to Plesk by IP address
Website is not accessible: Increasing max input vars limit needed
How to enable gzip compression for a website on Linux
Domain or Plesk shows Error 500.19: Cannot add duplicate collection entry of type 'mimeMap' with unique key attribute 'fileExtension'
Website hosted on Plesk server does not work after switching to PHP 7.x: Call to undefined function mysql_connect()
Which PHP version and PHP handler should be chosen for the domain in Plesk
Unable to use DELETE, PUT or PATCH HTTP verbs with .php files or Web API on a Plesk for Windows server: 405 - HTTP verb used to access this page is not allowed
How to enable/disable HTTP Strict-Transport-Security (HSTS) for a domain in Plesk?
Sites are unavailable: nginx: [emerg] bind() to failed (99: Cannot assign requested address)
Websites are not accessible after website settings are updated via Plesk: 502 Bad Gateway
How to disable PHP functions globally via Plesk
mod_pagespeed: Slow write operation and Slow ReadFile operation on file
How to enable Server Side Includes (SSI) support in Plesk?
Cannot access website hosted in Plesk: the server responded with a status of 403 (ModSecurity Action)
WordPress site hosted in Plesk is slow. Lots of log entries: "POST /xmlrpc.php HTTP/1.0" 499
How to change PHP version / handler for a domain or all domains in Plesk
How to set up Apache to restart daily in Plesk
How to grant/deny resellers/customers with a permission to manage IIS application pool settings of their domains via Plesk
How to prohibit access to a particular file from a browser in Plesk
What features are offered with the Atomic ModSecurity Rule Set?
Apache default page is shown in the browser instead of website hosted in a Plesk server: Error IP address not found on interface
All websites hosted in Plesk are not accessible over HTTPS: 502 Bad Gateway or ERR_CONNECTION_REFUSED
How to set up WordPress Multisite in Plesk using sub-directories?
Redirection rules and other settings configured in the .htaccess file do not work on a website in Plesk for Linux
How to configure MIME types for a domain in Plesk
Application pool crashes on Plesk for Windows: Cannot read configuration file due to insufficient permissions
Additional nginx directives are not applied when nginx proxy mode is disabled in Plesk
Site shows 404 not found on Plesk server: nginx error: index.html is not found (2: No such file or directory)