404 Errors
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Do 404 Errors really have a lot of impact on rankings and over all authority of the site with google? Say you have a site that all the pages have moved apart from the home page which is exactly the same before moving? So most of your pages are showing 404 errros.
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Hi Adul,
Just to follow up on this in case you're wondering why the answer is being downvoted. Blocking the pages that 404 in robots.txt will only stop Google getting a 404 because they can't reach the page. Users will still get a 404 so this isn't ideal. Also, if you don't 301 redirect the old pages to the new one, you lose any equity that those pages built up over the years.
Hope that helps,
Craig
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Go to google webmaster tools, > Crawl > Crawl Error .. Download all page
Open excel and paste notepad robots.txt
User-agent: *
disallow: /page1.html
Disallow: /page2.html -
If no one can access your site except for the home page, that is pretty bad.
As to rankings, look at it from a broad perspective. A user clicks a link in search results. That link goes to a 404. They immediately go back and find someone else's site or link to click on. Another user clicks another link for the same broken site. They get a 404 error and do the same thing. Google bot comes along and sees that the site in question has a very low on-page time, and users frequently leave and go somewhere else. They also see a large quanity of the pages dont work.
If you were Google, would you give that site much weight or credit? Or would you hand it to a site that works? I don't think they openly express that it can hurt you, or that they will hurt your ranking for having 404 errors. IMO they do, it's just not as transparent as the rest of the things they state to do to improve your ranking.
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OP, your case is an extreme one in that every page on the site but the homepage 404s. That means you moved but didn't do any 301 redirects, so that's an issue.
But generally, 404s have no impact on your site's ranking and that's been stated on record multiple times.
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Hi, the 404 errors are pretty bad and en user experience standpoint and so Google does not like them. During domain migrations, the most important aspect is to control the number of 404 errors to the possible extent if not possible to make them zero.
When pages are moved, you should go in for a one-to-one or page-to-page server-side, 301 permanent redirection from the old pages to the corresponding new locations so that the old pages do not end-up in 404 errors and with 301 in place, Google will know that the old pages are no more in force and that they have been replaced by the new corresponding destinations. This will also make the old ones replaced by the new ones in search engine indices.
So to conclude, 404 errors are bad from both, the users and the search engines.
Hope it helps my friend.
Best regards,
Devanur Rafi
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