A 403 Forbidden error means a web server understands a request but refuses to allow access. For website owners, this error can prevent users, search engines, or legitimate services from reaching important pages, leading to...

A 413 Request Entity Too Large error appears when a server refuses to process a request because the data being sent exceeds its configured limits. For website owners and developers, a 413 error can block...

A 503 Service Unavailable error means your server is online but temporarily unable to handle incoming requests. For businesses, this translates directly into lost sales, wasted advertising spend, reduced search visibility, and frustrated users –...

A 502 Bad Gateway error occurs when one server receives an invalid response from another upstream server. It usually points to a breakdown in communication between proxies, web servers, or backend applications. When this error...

A connection timed out error occurs when a browser cannot establish a connection to a server within a set time limit. It usually points to server overload, network issues, or firewall blocks, and if left...

The ERR_CONNECTION_REFUSED error occurs when a browser attempts to connect to a server, but the connection is actively rejected. This usually points to firewall rules, server configuration issues, or services that are not listening on...

A 500 Internal Server Error indicates that something has gone wrong on the server, but the server can’t specify exactly what. It is one of the most frustrating errors for website owners because it blocks...

The “This site can’t provide a secure connection” error means your browser was unable to establish a secure HTTPS connection with the website’s server. When this happens, the browser blocks access to protect users from...

A 401 Unauthorized error occurs when a server refuses access because valid authentication credentials are missing, invalid, or expired. While the server itself is reachable, it will not grant access until proper authorization is provided....