Google hijacking 404 error pages
This morning I installed the Google Toolbar beta version on one of my computers and my oh my - there is something that can have huge impact to many webmasters. Google grabs the 404 error code returned to the web browser in certain situations and instead of displaying the 404 error page of the website you are on, it creates a custom 404 error page - made by Google. The “new” 404 error page ‘conveniently’ includes a Google search box and if used by a visitor will drive the visitor away from your website. Even worse - the search box is pre-populated with data from the initial URL query on your website. Imagine a situation where kind of sensitive data is send to Google that way. Even normal data would make it to Google that way and we all know what Google does with data. For me as a webmaster this is a major intrusion into my own intellectual property. My normal 404 error page is effectively disabled by the Google Toolbar. This is bad.

Comment by Joey on 12 February 2008:
How my application handles your 404 response is my business, not yours.
Comment by Xirium on 12 February 2008:
A similar scenario was noted by GoogleWatch ( http://www.google-watch.org/toolbar.html ) on Sun 20 Feb 2005.
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Comment by impuLsive on 12 February 2008:
Good catch.
Pingback by SEOKER: Google hijacking 404 error pages at Conceptualist.com, By Sahar Sarid on 12 February 2008:
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Pingback by SEOKER: Google hijacking 404 error pages - Domainly on 12 February 2008:
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Pingback by Google toolbar realizando hijack de paginas 404 « Nataniel. Notas sobre as TIC on 12 February 2008:
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Pingback by Uh Oh. Google Search Bar Hijacking Server Error Pages! on 12 February 2008:
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Pingback by Klaut Google zukünftig den Traffic von 404er Fehlerseiten? - Adult Webmaster Blog on 12 February 2008:
[...] Anscheinend scheint es Google mit dem Motto “do no evil” nicht mehr ganz so ernst zu nehmen. Okay, damit erzähle ich ja nichts neues, aber das, was die neue Google Toolbar beta veranstaltet, schlägt dem Faß doch glatt den Boden aus. Anscheinend hijackt die Toolbar die 404er Errors und zeigt eine Site von Google an, die dem User zwar eine Hilfestellung bietet, aber dennoch auf die Google eigene Suche verlinkt und so Google Geld bringt. Besonders im Adult-Business ist mit 404ern einiges an Geld zu verdienen und wohl jeder Webmaster möchte selbst darüber entscheiden können, was mit seinem Traffic, egal ob 404 oder nicht, geschieht. Ich kann das gerade nicht nachvollziehen, weil es die Toolbar aktuell wohl nur für den IE gibt. Sollte sich das jedoch bestätigen, wäre das ein sehr starkes Stück und Google keinen Deut besser als andere Spy- und Malware Klitschen. via Seoker [...]
Comment by Matt Cutts on 12 February 2008:
This is not new at all. We wrote about this specific issue on the Google webmaster blog a couple months ago to let people know about it
http://googlewebmastercentral.blogspot.com/2007/12/fyi-on-google-toolbars-latest-features.html
Comment by Matt Cutts on 12 February 2008:
And in the blog post, it specifically says
“404 errors with default error pages
When a visitor tries to reach your content with an invalid URL and your server returns a short, default error message (less than 512 bytes), the Toolbar will suggest an alternate URL to the visitor. If this is a general problem in your website, you will see these URLs also listed in the crawl errors section of your Webmaster Tools account.
If you choose to set up a custom error page, make sure it returns result code 404. The content of the 404 page can help your visitors to understand that they tried to reach a missing page and provides suggestions regarding how to find the content they were looking for. When a site displays a custom error page the Toolbar will no longer provide suggestions for that site. You can check the behavior of the Toolbar by visiting an invalid URL on your site with the Google Toolbar installed.”
Comment by SEOker on 12 February 2008:
Actually I do have a custom 404.shtml on my domain that redirects the visitor via meta-refresh to the home page. The toolbar feature still decided to take over my 404
http://www.webhostingresourcekit.com/404.shtml
In a browser without the toolbar installed the redirect works, in a browser with the new toolbar Google takes over my 404 page instead. That ain’t right in my opinion.
Pingback by Google übertreibt es mit der kommenden Toolbar…. » Computer, Software und Internet News - Comaniy.biz on 12 February 2008:
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Pingback by Seoker.com » Update on the Google 404 Page Hijack on 12 February 2008:
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Pingback by A Warm Cup of Link Love | eMoms at Home on 12 February 2008:
[...] page to help people find what they are looking for if they used a broken link to get to your site, Google has taken the liberty of hijacking it and displaying their own 404 page that serves up their own results… and their own [...]
Comment by yaph on 12 February 2008:
One more reason not to use the Google toolbar.
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Pingback by agenturblog.de - Google: Finger weg von unseren 404 Seiten! on 12 February 2008:
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Comment by Joey on 12 February 2008:
I’d much rather be sent to a search page than see a flash for 2 seconds (less with loading time) and then go back to the homepage. Google > crap 404 redirects.
Pingback by The Daily Poll: Is Google in the Wrong for “Hijacking” 404 Pages? : Tech Web Daily on 12 February 2008:
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Comment by noonespecial on 12 February 2008:
Umm, as a webmaster, don’t 404. 200 instead and then present your not found page. Problem solved, no?
Pingback by AOWS » Nos quieren robar el 404 on 12 February 2008:
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Comment by xxdesmus on 12 February 2008:
Typical Google, being douche bags like normal.
Pingback by Google se aprovecha de los errores 404 | Mangas Verdes on 12 February 2008:
[...] y el clásico formulario de búsqueda que ha hecho famosa a la compañía. La gente de Google (Matt Cutts, por ejemplo) aseguran que se trata de un buen servicio, tanto para el usuario como para el webmaster, ya que al [...]
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Comment by Cyndy Aleo-Carreira on 12 February 2008:
Hey, it’s better than the hijacking done by Time Warner on my broadband, which looks pretty much the same as any domain squatter with AdSense
Pingback by Google saca partido de los errores 404 | Mangas Verdes on 12 February 2008:
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Comment by Michael Pate on 12 February 2008:
http://www.404-error-page.com/404-error-page-too-short-problem-microsoft-ie.shtml … Microsoft has been doing this sort of thing for years
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Comment by Car Specs on 14 February 2008:
[37] So is doing my provider, Embarq. Just another rip from them…
Pingback by google toolbar hijacking 404 pages - BlackHatCrew - Elite Webmaster SEO Forum on 17 February 2008:
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Comment by Christophe on 2 July 2008:
If you want to keep control of errors on your site, it’s up to you to avoid sending a 404 alltogether and do something a bit more creative. For example, some sites redirect to a search page on their own.