Accessibility
- https://github.com/w3c/wcag
- https://github.com/jadu/pulsar-docs/blob/master/pulsar-toolkit-checklist.md
- https://www.w3.org/WAI/ER/tools/
- http://www.d.umn.edu/itss/support/Training/Online/webdesign/tools.html
- https://trace.umd.edu/
- https://github.com/w3c/EasyChecks/issues/1
http://18f.github.io/hackathons/presentations/a11yhack/2015-03-31-angela_hooker-UX-perienced.pdf