If you find out bookmarklets like the [WayBack] Press-This or [Archive.is] SubToMe do not work on some pages but to on others.
Often it’s not the bookmarklet, but a combination the site disabling CSP (Content Security Policy) and browsers not coping well with that, see for instance:
- the “Shortcomings” chapter at [WayBack] Git Hub Content Security Policy
- [Archive.is] Mozilla Bookmarklets affected by CSP
via:





