what Google search parameters do?
Some one forwarded an worth sharing post, explaining different parameters used in google search. Here what parameters are being used in Google search and what they do.
| Parameter | Description (Value) |
| Search modifiers | |
| q / as_q | the search query |
| as_epq | matches exact phrase, same as searchphrase surrounded by quotes in searchbox |
| as_oq | with at least one of the search terms, same as searchterms combined with OR in searchbox |
| as_eq | without these searchterms, same as searchterm prefixed with – in the searchbox |
| qdr / as_qdr | Date restriction, show results up to either 3 months old, 6 months old, or 1 year old |
| as_occt | (3m | 6m | y) |
| as_filetype | query term occurs in (any | title | body | url | links) |
| as_ft | specify filetype (pdf | ps | dwf | kml | kmz | xls | ppt | doc | rtf | swf) |
| sitesearch | exclude or include solely files with filetype given in as_filetype (e | i) |
| as_sitesearch | the same as site: (URL with or without http://) |
| as_dt | same as sitesearch, but shows site:URL in the search box, can be used together with as_dt |
| as_rq | (URL with or without http://) |
| as_lq | together with as_sitesearch shows you results from URL, or from all except that URL (i (only |
| hl | this URL)| e (except this URL)) |
| lr | find sites related to URL, same as related: in the search box (URL) |
| ie | find sites linking to URL, same as link: in the search box (URL) |
| oe | specifies the interface language |
| safe | language restrict (<langcode>) |
| filter | input encoding |
| Result modifiers | output encoding (<documentation>) |
| num | safe search filtering (active (default)| off) |
| newwindow | 0 |
| pws | number of results (<0..100>) |
| adtest | open results in new window (1) |
| Buttons | disable personalized web search (0) |
| btnG | allows testing of ads without registering an impression, url’s are not clickable (on) |
| btnI | normal search from webinterface |
| Localization (taken from: bluetent.typepad.com) | I’m feeling lucky search (I%27m+Feeling+Lucky) |
| gl | country, for instance “US” (<countrycode>) |
| gll | latitude&longitude, (<latitude>,<longitude>) |
| gr | region, for instance GB-ENG (<region>) |
| gcs | city, to use this gr must be set to the same value (<city>) |
| gpc | postal code, only works if gl is set to “US” (<postalcode>) |
| gm | US designated metropolitan areas (<GM>) |
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