Ads on the internet are based on decades old tech rooted in running untrusted & potentially unsafe JS. We are on a multiyear journey to fix this. This project reached a major milestone with 12% of display ads served by Google being based on @AMPhtml ads blog.google/products/ads/mak…

Using AMP to make display ads safer, faster and better for users

Google is increasing its share of ads built with AMPHTML ads to take advantage of the performance and security benefits offered by AMP

blog.google
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What ever you think about AMP, ads not being able to run arbitrary JavaScript, and having a format that can be verified to be safe without trusting the source is a huge step forward for the health of the web. No more bitcoin mining, auto-redirects, etc.
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Replying to @cramforce @AMPhtml
So you’re saying this requires AMP and Google couldn’t have used its power to do the same thing with plain HTML?

Feb 20, 2019 · 9:58 PM UTC

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Replying to @stilkov @AMPhtml
You need to subset HTML, because HTML itself isn’t safe. Luckily ads only need a tiny subset of HTML. On other hand they need some superset (say a carousel UI). There wasn’t exactly much competition for safe subsets and supersets of HTML.
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Google punishes certain uses of HTML all the time. They could have done the same here, without creating a new non-standard
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