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Googlebot crawled my site for the first time today, and added something strange. It appended &sp=1 to my URL's. It seems like it's trying to gain authorized access?

Normally I have http://domain.com/?lang=en and http://domain.com/en

What does this URL mean: http://domain.com/?lang=en&sp=1, why is &sp=1 added to it?

The results with &sp=1 are the same as the root page.

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up vote 2 down vote accepted

Sounds like either someone else is linking to you and appending these query parameters, or you have a link somewhere on your own site that is doing this. Googlebot doesn't just invent URLs to crawl. I suggest you add the following to as many pages as you can:

<link rel="canonical" href="http://example.com/this-page" />

A "canonical" link is the one that should be used by Google to link to the page. You would not include query parameters in it if they did not affect the output.

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Okay, but I have properly URI as you defined withoutsp=1 and also have a canonical URI <link rel='canonical' href='http://domain.net/' />. I think that some plugin affects on sp=1. I will research using GREP tool to find string sp, but what's about if none helped? – Marin Sagovac Jun 6 '13 at 14:09
If you have the canonical link already in your HTML files, then you don't have to worry about Google crawling it with &sp=1, as Google will just save the normal URL. For tools to search through files, I recommend BBEdit on Mac OS X and Notepad++ on Windows. Both of these can search recursively through a directory for text files, and scan those looking for RegEx patterns. – Nicholas Jun 6 '13 at 14:17
I'm on Ubuntu dev and Debian server platform. I will used grep command instead. Thank you for help. – Marin Sagovac Jun 6 '13 at 14:33
Possibly not helpful, but I've seen '&sp=1" on Facebook links, so perhaps you have a Facebook widget or links in your site somewhere. – dan Jun 7 '13 at 6:26

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