Program, browser extension for checking site pages?

Question

css

What I need: there is a list of sites / pages, you need to control the following: 1) links on the pages must be working; 2) checking the existence and loading of pictures, style sheets, scripts; 3) fix JS errors (not required, but desirable). The format of the work is as follows: I add a new URL to the list, when I like, I turn on the check against the list of tasks; after I get acquainted with the report. Preferably a browser extension.

Answer 1

Found the software .