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Google Crawls Javascript


Author Message
GoogleGuy Says

PostPosted: March 16, 2004 12:27 PM 

Importance: Medium

GG provides a little information about Google's ability to read and crawl javascript.

GoogleGuy Says: [Link to quote]

kaled, I'd call that an opportunity. ;)

Homersim, we don't penalize for JavaScript, but we might not being able to crawl a site as deeply. Some things to consider:
- you might want to simplify your JavaScript. Google can often extract urls from JavaScript, but I can believe that doing utterly weird stuff might mess things up.
- you might want to remove the JavaScript. Most search engine spiders can't handle JavaScript, so for optimal crawling you might want to convert the links to static text links.
- you might want to add easier links to crawl. So you could keep the JavaScript links, but add new text links, or add a site map or something that allows spiders to reach pages without going through JavaScript.

If I had to guess, I'd say that it's a good idea to tackle the JavaScript and give the spiders some help, but that might not be the main issue. If you look at your logs, was the site up the whole time? If you see a big gap with no visitors, the site might have been down for a while?

P.S. No penalties on the site in your profile, so that's not it, either.

Asbjrn Ulsberg

Posts: 1

Reply: 1

PostPosted: April 29, 2004 12:48 PM 

Is Googlebot the only user we want to satisfy? What about regular, human users, which have some kind of handicap, or sit behind a firewall that makes renders JavaScript unusable? Don't they matter?

Instead of embedding links inside JavaScript, one should _always_ have the 'href' intact as a fallback when JavaScript is not supported, and rather add an 'onclick' (either in pure HTML, or with JavaScript) event handler to the link which returns false. The 'return false' ensures that the 'href' attribute isn't deferred after the JavaScript has executed, and thus the link will work with or without JavaScript, and all users will be happy.

Posts: no

Reply: 2

PostPosted: December 8, 2005 9:20 PM 

:x :twisted:


Posts: xxx

Reply: 3

PostPosted: October 7, 2006 12:00 AM 

My entire store front (http://groovyjeans.com) is in javscript. Much like Google analytics implementation. Google found my product pages, but content is not spidered. I did notice that dynamic navigation menus are beign spidered by the big 3 engines now. If google could spider my content, I would pay them like $1,000,000, which probably isn't much of an incentive for them.


Posts: no

Reply: 4

PostPosted: November 28, 2006 6:19 AM 

Would it not be easier to pay $1,000,000 to make a pure HTML-version of the shop?

Posts: no

Reply: 5

PostPosted: January 28, 2007 10:03 AM 

كس امك


Posts: xxx

Reply: 6

PostPosted: February 5, 2007 8:57 PM 

At my site www.indieoffset.com, I don't use any javascript to invited googlebot.

But, my site is crawled well at google, yahoo and MSN.

I don't know why. I just make a simple sitemap.


Posts: xxx

Reply: 7

PostPosted: April 2, 2007 7:21 PM 

my globalwarming awareness2007 have no javascript to invite google. Does any one used it?

Is this best tool to invite bot ?

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