JavaScript redirect

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QC Dev

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Jul 26, 2021, 10:41:39 PMJul 26
to Common Crawl
Hi,

What happens if a website has a JavaScript redirect? For example,  the page http://example.com/ has a javascript code that redirects the user to http://example.com/home

Is the common crawl bot capable of detecting such redirects and follow them correctly?

Thanks!

Sebastian Nagel

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Jul 27, 2021, 7:42:19 AMJul 27
to common...@googlegroups.com
Hi,

good question!

Currently and up to now, the crawler does not interpret JavaScript and is then not redirected.

There is a chance that the link is extracted and followed later if
- if the redirect URL is defined in the JavaScript code embedded in the
HTML page
- or if the URL is found as link somewhere else

If not the crawler will never visit the redirect target.

Best,
Sebastian
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