HTTP status codes—the 4xx and 5xx varieties—appear when there’s an error loading a web page. These are standard types of errors, so you could see them in any browser, like Edge, Internet Explorer, Firefox, Chrome, Opera, etc.

Common 4xx and 5xx HTTP Status Codes

Common 4xx and 5xx HTTP status codes are listed below, with helpful tips to help you get past them and on to the web page you were looking for.

Microsoft no longer supports Internet Explorer and recommends that you update to the newer Edge browser. Head to their site to download Edge.

1xx, 2xx, and 3xx Codes

Codes that begin with 1, 2, and 3 aren’t errors and aren’t usually seen. You can learn more about those here: A Complete List of HTTP Status Lines.

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