This is a weekly challenge, so we know it is probably going to use the solutions or something from the solution pages, or the redirect urls.

 

In this challenge, we notice that the redirect url from a day and the corresponding line have similarities:

 

 

 

 

 

 

But what do we do with these vague similarities ? 

Lets see what happens if we strike the common characters:

 

 

 

 

 

 

Summing up the remains of the weekly solutions gives

tecioeargs => (anagram solver) => categories

 

The solution redirects to