Service for the solution to the 404 Errors returned by Prestashop in case of addition (or elimination, if the default structure foresees it) of the "Trailing Slash", final slash of the friendly urls.
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On many Prestashop versions, starting from the very first 1.4.x up to the latest current versions, also depending on the setting of the server in use, was found a Bug that returns 404 Errors, heavily penalizing it in indexing and SEO performance, in the case addition (or elimination, depending on how the ulrs structure is set) of the "trailing slash", the slash (/) placed (or not) at the end of the urls.
To check the presence of this Bug on your Prestashop store, if you use friendly urls (desirable for optimal indexing and better SEO results) it will be sufficient to add (or delete, depending on how the ulrs structure is set) the "Trailing Slash" , the slash placed (or not) at the end of the urls.
With our Service you will solve this problem, making your Prestashop Store truly optimized for SEO.