How to use shell script to find out the empty pages and 404 error pages of a website

This article introduces the knowledge of "how to use shell script to find out the empty pages and error pages of the website". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The code is as follows:

Time cat sitemap.txt | while read line;do curl-l $line-m 5-connect-timeout 5-o / dev/null-s-w "$line"% {http_code} "% {size_download}"\ n "; done

I added a time to see how long it takes to execute the code.

% {http_code} means to return the HTTP status code, from which we can know whether the link is a normal 20000 link or a 404error link.

% {size_download} means to return the size of the current page. If the value is too small, it means that these pages are likely to be low-quality empty pages, and you have to find a way to eliminate them.

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