Browser extension to modify the behaviour of web pages using scripts.
Click the TamperMonkey extension -> Create New Script and then paste in the script from below:
https://www.tampermonkey.net/scripts.php
Less focused than the above two resources.
Warning: some NSFW topics on here:
Check the @match line in the script matches the URL.
Try adding a test script with the @match line and a simple:
console.log(`Test Script: Initializing...`);and then look for this in your Chrome Developer Tools or equivalent Console area where the logs are shown.
If even this doesn't show up... then no scripts are executing on your @match.
After much time wasted debugging everything, checking my GitHub revision controlled script was the same as the one in TamperMonkey, the solution was simple:
Solution: remove TamperMonkey and reinstall it to get scripts triggering again.