Different codes will tell you if something is okay, marginal, or absolutely off-limits.
If you are a website owner or developer, understanding status codes is critical to your ability to troubleshoot and fix potential configuration issues on your website.
To view the code when browsing with Firefox or Chrome, you can use a browser extension that displays the relay code for each request.
100s: Informational codes: The server acknowledges the request luxembourg mobile database initiated by the browser and is processing it (100-199).
200s: Success codes: Request received, understood, processed and expected information relayed to the browser (200-299).
300s: Redirect codes: A different destination has been substituted for the requested resource; further browser action may be required (300–399).
400s: Client error codes: The site or page was not accessed; the page is unavailable or there was a technical problem with the request (400–499).
500s: Server Error Codes: The request was accepted, but due to an error, the server was unable to fulfill the request (500-599).
Let’s take a deeper look at the various categories:
100 status code
The request is still in progress.
100: Continue. Request headers received and accepted, ready to receive request body.
101: Switching protocols. Your browser requested an Upgrade header change and the server complied.
102: Processing. The request has been received and is being processed. No response yet.
103: Early Hint. The server provided some response headers that allow preloading of resources while the rest of the response is loading.
200 status code
The request was successful and the browser received the information.