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An update is heralded by a change in the number of backlinks to a site. Changes in results are just a normal phenomenon of Everflux. When there's an update, you'll know just by reading here regularly.
On March 7th www2 and www3 showed different backlinks for Yahoo! just briefly, then switched back. About 15 minutes later the update officially began.
However...it is April 1st and one never knows how that might affect things around here....
[edited by: mbennie at 7:24 pm (utc) on April 1, 2003]
I think it will be a little later this time - google is becoming a more experienced lover I think (see last months update).
She likes to engage in a longer period of courtship, wooing then foreplay these days, before ending it all in a very sudden, but substantial climax!
Last time, we saw this same phenom where the update appeared off and on for about an hour before it really kicked in.
However, GG said yesterday for everybody to chill for awhile.
Who knows
[webmasterworld.com...]
Google are big. Most of us think small....Most of us think of a website as updating a few pages in dreamweaver, possibly adding some products maybe tampering with some PHP, JSP etc, and then uploading it via FTP, playing with our site etc and all is done.
Responsible companies and I believe that Google is doing their level best to be a responsible dotcom do not slam upgrades, updates, new code whatever into the production system, the "gold standard" in the enterprise.
The development team works, then the deliverables are sent to QA for testing, wrinkles and kinks are resolved. In Google's case they are not only looking at whether the code works BUT the effects of the code (on placement, PR, index).
Then and only then is the release ready. Then if they are anything like us the qa and dev teams and release sponsor ask the production team (usually IT etc) to deliver and that team makes the determination on when the delivery happens allowing for all the other things that are happening at the GooglePlex (small items like system upgrades in hardware and software terms etc)
I can hear a few people saying whoa, no its not true, all they do is spider and then re-index. Nope. They are continually updating and changing their spidering algorithms and their indexing algorithms to cope with our changing behaviour and changing strategies. Also they want to be faster, to have less spam etc etc. So an update is not just a re-indexing but likely a new "software" release for Google.
I don't care I hear. Yes you do. Because if they do not test, if they do not get as much right in a release 1st time the repercussions are enormous. Indexes look like crap, we all moan because the spammers are winning and no one benefits.
So basically its my guess that they have an aim point, but nothing is fixed in stone until it has all passed QA and final testing and everyone is happy. Then and only then is the date set.