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joined:Jan 27, 2003
This field changes on each pageload, and consists of three random characters - a letter or a number, e.g. pCv or 4yu.
I'm aware of the usage of most of the Google search parameters, but I've never seen this one before.
A typical URL for me would be www.google.com/search?hl=en&client=firefox-a&rls=org.mozilla%3Aen-GB%3Aofficial&hs=pcV&q=widget&btnG=Search
hl - interface language
client and rls - supplied by software manufacturers to track usage
q - the keyword
btnG - I hit the search button
Seemingly, this variable appears for any search where the parameter 'client' is set to 'firefox' (plus any other characters) appears (e.g. &client=firefoxasdas will trigger it). I couldn't find any other parameters or values that had the same effect (e.g. sourceid=opera and other tracking-type info).
Does anyone have any idea what this might be used for?
Hoping these observations help -
1. the page used two different 3-letter values for the paramater
2. 12 of the occurances used one value as part of the rgular Google interface (links for Images, News, Advanced Search, etc)
3. The other value for the 'hs' parameter appeared 26 times on the page: in the ten "1, 2, 3... Next" links at the bottom and in sixteen "similar pages" and "cached" links.
I've tried to generate a second example by turning off cookies, turning off the cache, using the toolbar for the search, using the "Google Search" button and using "Enter" on the keyboard. So far I can't generate a second instance to study. But I did see it once, on the first try.
This was from one of the "related" items
I guess that doesn't matter so much ?
joined:Jan 27, 2003
For reference, an easy way to check what variables Google is setting for a search is to use a developer toolbar of some description within your browser. So, in firefox with web developer extensions installed choose Forms >> Display Form Details.
The search below causes the variable to be set for me:
Tested in Opera/firefox/IE on a couple of different connections.
I'm sure it's nothing important, but I'm just curious as I can't see much value in the random data unless it's some kind of verification, perhaps. I've got a list of variables set for searches somewhere which I should try to keep up to date!
[edited by: Receptional_Andy at 6:24 pm (utc) on May 11, 2008]
-using FF I typed widgets in SE search bar (that thing all the way left and top)
-this is what url bar showed (no hs param.):
-if I hover over over links to additional serp pages (gooogle 1 2 4 ....) I see this - with parameter hs=REw in urls for all additional serp pages:
-after I click on any additional serp links hs parameter changes, in this case hs=X1G, for all of them, and I see something like:
If I go to G's main page and type in search query hs parameter is non existent in url (including hovering over links to additional pages)
[edited by: tedster at 8:37 pm (utc) on May 12, 2008]
[edit reason] turn off graphic smile faces [/edit]