New answers tagged google-index
To answer your question "how long", it depends on your site size, quality, consistency, and of course, popularity. Of course Google does what it wants too, so it really just depends on how it may feel that day. Case 1) Popular forum with 1000+ avg 30 min sessions, above PR 5 --> Sitemaps are crawled and indexed multiple times a day, sometimes multiple times ...
You need to have separate URLs for Google to be able to index them separately. Using the same URLs for multiple languages won't work. You can dynamically serve the content on a single URL, but the individual language content needs to be on separate URLs too.
According to Google's Webmaster Guidelines: Use robots.txt to prevent crawling of search results pages or other auto-generated pages that don't add much value for users coming from search engines. More often than not, these pages can come across as "spammy" and of low value.
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