Does using Google Custom Search improve indexing?

[y0z2a]

All,

Does anyone have any experience of sites that have implemented Google custom search.

My theory is as follows:

Google indexes www.widgets.co.uk for general search results & indexing in the main index.

Google better indexes the website if it has to present results within the website only so this may have a knock on effect on the main index results?

If one implements the Google Custom Search Engine, there is a possibility that if this search is used a lot that it will index the content more thoroughly to present better results to the end user, but also improve the quality of the main index results through analysing user CTR of the in-site results.

I also wonder if there is any point creating a "search this website with Google" option over and above the normal search that you would implement on a website.

In essence, I am starting to suspect on UK results that websites utilising Google tools are smiled upon by the Google Gods. By this, I am thinking - maps, directions, custom site search and so on.

Has anyone any experience of the positive (or negative) effects of implementing these solutions.

Regards,

/y0z

[tedster]

Google has said that the custom search data is not pooled in with the regular search index - so improved regular indexing does not result. The regular algo can and does choose not to include all the urls that custom search will include.

I also have never seen or heard of any indexing benefits from using other Google services.

[y0z2a]

An answer from google on the matter.

[googlecustomsearch.blogspot.com...]

/y0z

[tedster]

Thanks for the link, y0z2a. I'd say this is the most relevant quote from that page:

On-Demand Indexing uses a special index that is designed just for Custom Search. The main Google search indexing process is separate and uses different selection criteria, so submitting pages for On-Demand Indexing will not make them appear any faster in the main Google index, or impact ranking on Google.com.