After numerous tests of scripts found on the net for the creation of a search engine, I decided to trust a developer to create it. What a good idea, because I came across Cladx and since then I haven't been without it.
The engine was built quickly and many features were created that I hadn't even thought of.
Cladx develops your site as if it were its own and also provides you with lots of advice and optimizations for a site destined for success.
I can therefore only recommend Cladx and ask you not to keep him too busy so that he continues to work intensely on my projects :)