Ruby on Rails

On Aug 1, 2011, at 8:56 PM, Rajinder Yadav wrote:

> Hi guys I am wondering how a rails site get indexed by search engines?
>
> If my landing page get generated dynamically, how does a search
> engine know: 1) the content had changed,

They won't, not until they come around to scan it again (on a schedule
you cannot influence very much). Depending on how popular your site
is, how often it comes up high in results for actual searches, it may
be indexed more frequently than other sites.

I have one site that apparently is crawled by Google about every 20
minutes, but that site gets zillions of page views by a specialist
audience, and is deeply authoritative on a single subject. But you can
add something to it, and wait an hour and search for one of the
phrases in that addition, and it will be found.

> and what keywords to index the site against from the body text?

If you feel like adding keywords to your page, that can help it be
found under search terms that don't occur naturally in the page text,
but not really very much stock is put in these by the engines, mostly
because of rampant fraud by SEO snake-oil-salesmen. Any search engine
spider will simply read the source code of your page, and determine
the topics it is authoritative about based on the actual HTML text in
your page, the links out of it, and the links into it. Then it will
build a list of all the internal links in the page, follow them one at
a time, and repeat the process.

Walter

>
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> Rajinder Yadav | http://DevMentor.org | Do Good! ~ Share Freely
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