Hi, I'm the person that did the last major revamp on the WTM abbreviations page (with help from Tim, of course!), but I started my own page soon thereafter because (at the time at least) Tim was unable to add new abbreviations without getting the page re-reviewed, which meant that the page was only updated infrequently. Since then, I also went through mine and added links, which I think has been very helpful for people. So, if you'd like to pull what I have into the site's page, I'm A-OK with having my page become obsolete!
Homeschool Abbreviations with Links
p.s. I intentionally did not include generic internet abbreviations when I revamped the WTM abbreviations page because there are already *so* *many* sites which have these and there are *so* *many* abbreviations. My thinking was that the WTM page should focus on its area of expertise. YMMV, of course! ;)