One way to edit the search URL is a proxy site like udm14.com, which is probably the biggest site out there popularizing this technique.
When people are making their own entire web sites to make it possible for third parties to adapt around UX issues of your web site (not just a handful, but enough people that there's one of those sites that's identifiable as "the biggest"), you have lost the plot.
It’s eye-watering. People say, holy shit I can’t even go near the guy. I thought it was a joke but no, it’s really real; if you go in his vicinity after you-know-what happens, you’re just assaulted by the physical presence of it, and you want to get away from him as quickly as you can, trying not to gag.