Hi there...

Can search engines index dynamic sites with ? and = (query strings) in the URL???


Thanks for reply...

Yes ...
.........

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And how can we win, when fools can be kings

Yes they can and the good example can be many of the web forums that have thousands of dynamic web pages. Google and the other search engines have advanced methods in finding and indexing web pages, even if they are dynamically created but for smaller sites , having static pages is recommended, for better rankings.