Meaning of parameters in a Google search query? [closed]

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Are there any resources on what the parameters in a G开发者_如何学运维oogle query mean? Any analysis how the Google search pages work internally?

Examples would be:

• http://www.google.com/#hl=en&source=hp&q=lol&aq=f&aqi=&aql=&oq=&fp=45675624562456
• http://www.google.com/url?sa=t&source=web&ct=res&cd=11&ved=KJSGHFKSDJF&url=sfdgagasdgasdgasgasg&rct=j&q=fghthwrteghedgf&ei=asdfasdfsa&usg=asdfasdfasf

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• q=searchstring is the search string
• source=something is where the search originated (www.google.com webpage, Google Toolbar, Quick Search of various browsers)
• ie=utf8 input encoding
• oe=utf8 output encoding
• rls=en ?interface language?

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&gws_rd=cr is related to redirects too countries. For example if you wanted to get to google.com in UK you need to append that parameter, if not you get redirected to google.co.uk

https://www.branded3.com/blog/country-specific-rank-checking-google-web-server-redirect-gl-gws_rd/