Alex Last tested: October 22, 2026 · By Alex ERR_TOO_MANY_REDIRECTS means the page is stuck in a redirect loop. The browser is being sent from one URL to another again and again, until it gives up and stops loading the page. This error is common after HTTPS changes, Cloudflare setup, WordPress migrations, login issues, bad redirect
ERR_EMPTY_RESPONSE means the browser connected, but the server returned no usable data ERR_EMPTY_RESPONSE means the browser connected to the website, but the server returned no data before the connection closed. In simple terms, the site answered with nothing. This error is common in Chrome and other Chromium-based browsers. It can come from your browser, your
ERR_CONNECTION_RESET means the connection between your browser and the website was started, then forcefully closed before the page finished loading. In simple terms, something on the route reset the connection instead of letting the request complete. This error is common in Chrome and Chromium-based browsers. It can come from your browser, antivirus, VPN, proxy, local
ERR_CONNECTION_REFUSED means your browser tried to connect to a website or service, but the connection was actively rejected. In simple terms, the address was reachable enough to try a connection, but nothing accepted the request on the expected port. This error is common in Chrome and other browsers. It can be caused by a local
WordPress REST API error usually means WordPress cannot complete a request through its API layer. In real cases, that often breaks the block editor, plugin settings screens, scheduled actions, custom fields, WooCommerce features, or any tool that depends on background requests. This error is rarely random. Most of the time, it comes from a plugin
Failed to open stream in WordPress usually means PHP tried to load a file, include a script, read a resource, or open a path, but could not access it correctly. In most cases, the cause is simple: the file is missing, the path is wrong, the permissions are broken, or the server is blocking access.
WordPress 404 error on posts usually means the post exists in WordPress, but the server cannot rewrite the URL correctly. In most cases, the homepage works, pages may work, and the admin area works, but single posts return 404 instead of loading normally. This is one of the most common WordPress permalink problems. The good
WordPress login redirect loop means you enter valid credentials, but instead of reaching the dashboard, WordPress keeps sending you back to the login page or into an endless redirect. In most cases, the cause is not your password. It is a cookie problem, bad site URL settings, a plugin conflict, broken redirect logic, or a
Error uploading image in WordPress usually means WordPress could not move, process, or save the file correctly. In most cases, the cause is not the image itself. It is a permissions issue, server limit, plugin conflict, broken media settings, or a temporary upload path problem. This is one of the most common WordPress media errors,
WordPress not sending emails usually means either a sending failure or a deliverability problem WordPress not sending emails usually means one of two things: WordPress cannot hand the message off correctly, or the message is being sent but never delivered. Those are very different problems, and the fix depends on which one you actually have.