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With Chrome soon lazy loading iframes by default there are going to be some publisher advertising folks who will be very surprised by sudden and serious drops in programmatic CPMs and direct sold inventory. It's going to be a bad Q3 in ad tech y'all.
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For those of us who built right and accurate lazy loading systems, things will be better. But consider this: most ads have iframes in them and when have agencies ever been fast to pick up new technological requirements?
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Also, Firefox is on the same train. zdnet.com/article/after-chrome-firefox-will-also-support-off-screen-image-lazy-loading/
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wheeeeeee
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Intent to ship is over here: groups.google.com/a/chromium.org/forum/m/#!msg/blink-dev/jxiJvQc-gVg/wurng4zZBQAJ
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If you manage ad ops for your publication, have them download Canary, flip the flag on, and start testing.
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(or at least queue that up in your project management system) I'll be very interested to hear about the impact via people giving anonymous interviews to Digiday.
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Anyway, this is an overall good thing, but like most good things in ad tech, and especially in respect to how they impact publishers, it'll hurt before it heals. Chronotope/1115234782148014082/photo/1
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Test for yourself - gist.github.com/AramZS/b5b46f4dc2b2cd9d525a1b912722a096 adopted from github.com/scott-little/lazyload
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Deleted some tweets that were incorrect, did a quick re-test to confirm and fixed some mistaken parameters. iFrames that are set to
loading='eager'
do indeed seem to pass that to internal elements, so that's a relief. -
Publishers are still likely to experience a serious impact, but at least that means that we don't have to force every single agency to alter their creatives. Will have to do more testing around iFrames inside of iFrames to see what occurs, as that is unfortunately not uncommon.