How to transform a parameter in a readable URL?

Filter CS-Cart generates the address view settings: sitename.ru/?features_hash=39-1191

How to turn a particular setting, for example ?features_hash=39-1191, to me at the right end of the URL. To come out sitename.ru/400x100/ for example?

Where to dig? That Google? What is it called?
Thank you.
June 14th 19 at 20:24
1 answer
June 14th 19 at 20:26
It calls Chelovekopotok NC

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