Firefox

Actually, it doesn't just benefit "geeks who use NoScript". The original audience for accessibility was disabled users, which is why some of the best websites ever made are for government agencies. But sure, they don't count much when there's a deadline to keep. I know what you're talking about, I know that progressive enhancement and respecting WCAG etc is just time-consuming and time is money. I was in the meetings. But it's also just hard, for the reasons you describe, and few developers have ever been able to do it. Maybe precisely because the skillset straddles different domains: not just programming but also UX and graphic design and information architecture. The first web developers were tinkerers and lots of them came from the world of print. Now they're all just IT guys who see everything as an app. Even when it's in essence a document.