Are you sure you want to go to an external site to donate a monetary value?
WARNING: Some countries laws may supersede the payment processors policy such as the GDPR and PayPal. While it is highly appreciated to donate, please check with your countries privacy and identity laws regarding privacy of information first. Use at your utmost discretion.
Re: @Joeviocoe:
Forgive the lateness of my reply but I was never notified of your response.
I tried your 0.1.0 with the mods you suggested (with a current version of Firefox) and it didn't work on avclub.
There was actually a userscript that worked on multiple disqus using sites in the past called "Disqus Click Automate" hosted on the now dead userscripts.org, in googling the name of the userscript I found a recently updated version hosted on greasyfork.org thats works on multiple sites including avclub.
Would be great if it could be extended to sites that embed disqus' comment system. For example avclub reviews often have 200+ comments in and are a real pain to read without clicking "Load more comments" endlessly.