Official Google answer: The Sitemap.xml file states there are 10,000 URLs but only 1500 have been indexed. After numerous crawls it does not appear Google is going to index these additional detail pages. What can I do to get Google to index my unique and current detail pages.

Question:

The Sitemap.xml file states there are 10,000 URLs but only 1500 have been indexed. After numerous crawls it does not appear Google is going to index these additional detail pages. What can I do to get Google to index my unique and current detail pages.

Google's Matt Cutts answers:

Summary of the answer:

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Question	Views
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Question

Views

How reliable is the 'site:domain.com' query in determining the number of pages in the Google index?

829

If Google crawls 1,000 pages/day, Googlebot crawling many dupe content pages may slow down indexing of a large site. In that scenario, do you recommend blocking dupes using robots.txt or is using Meta Robots noindex,nofollow a better alternative?

874

What are Google's plans for indexing the deep web?

788

What is the best way to deal with BIG sitemaps.xml (e.g. more than 1,000,000 pages)?

711

I have a client who was hacked. The SEO consultant said things were cleaned up, but they weren't correctly. All 30,000 viagra/cialis type and paid links have been removed, but no improvement in SERPs. We send reconsideration. What do we do now?

937