How to make google know your site update?

I have a site,an now it update some pages,now which way i can do to make google know my site has update?
I think submit it to social bookmarks is too slowly.Anyone can give me a answer?
Thanks.

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The fastest way to make google index you fast is having a sitemap, and ping google whenever you add a new page on it.

The url to ping is http:// www.google.com/webmasters/tools/ping?sitemap=<site map url> where is the full url to your sitemap file.

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if you submit your sitemap to the google webmaster tools, the googlebot will check your sitemap everyday

You can set in your google site map the frequency - every when will google will visit the site.

the bot's actually quite smart. It likes to keep coming back while you have fresh content, till it finds the 'rythm' of updates on your site. they also use this as a way to spot spammy doorway type sites that change with every visit, or can supply a page no matter what the request (e.g. 'wq876hbsu-oiuhdfughew-khfkjherwfg.htmlxhjhh') so called 'spider traps'.

yes, sitemap is the best way, you can also submit it to pingler dot com this pings it to many search engines and will get crawled quicker.

Well, the googlebot doesn't really come back as often as you tell it to do in you sitemap. I think it's more a recommendation to the bot, but you shouldn't take that point too serious.
But uploading an updated Sitemap is reall the best way to let google know about new pages on your website!

Hi

Submit your new pages in couple of bookmarking sites like digg, propeller, etc.. It's the best way to get indexed your new pages much faster.

[quote ]
I have a site,an now it update some pages,now which way i can do to make google know my site has update?
I think submit it to social bookmarks is too slowly.Anyone can give me a answer?
Thanks.

Just don't use noindex, nofollow!

@Nikolas

This will helps a lot.

Hi,

Submitting xml sitemap is also the best option to tell Google that your site has been updated. 

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Sam Thomas
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I think along with sitemap, you can also use pinging services to tell your updates to search engines.

write articles with your signature link and post them to squidoo

you may also use the meta keyword "revisit"

thanks for the info Nikolas.. it is actually the first time i have heard of the sitemap and then pinging google.

I think google automatically cache or it does know a lot about your updates but if you want to get easier, post your site to alot of social bookmarking sites, share to popular social networks such facebook, myspace etc., and of course forum postings too through sig., blog commenting using your priority keyword.

Use the Google Webmaster Central, include your site and verify it. It really depends on the freshness of your content over time which eventually determine how often Google robot should crawl your site. A site which makes 20 - 30 updates a month will receive more frequent crawls because it is conveying a message to Google that the site is constantly keeping it content updated.
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Webmaster tools can help. And backlinks from fast-indexing sites

Well Nikolas gave the best answer, no need to keep discussing it.

create a sitemap and submit this to Google?s Webmaster Tools,easy

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