Increase report frequency of ad viewability changes #873
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cramforce
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Dec 18, 2015
emit viewport change events on scroll. - The scroll event now always fires in vsync and always measures scrollTop. - The viewport change event now happens at the latest 3 frames after scrolling ended. - Increased speed at which we send change event. Needed due to resolution at slow speed, but I also feel the value is better. Changes ad intersection to fire "on scroll". Fixes ampproject#873 Fixes a bug where only the first viewability provider in an ad would get an initial viewability change record. Fixes ampproject#1126
msukmanowsky
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Jan 21, 2016
emit viewport change events on scroll. - The scroll event now always fires in vsync and always measures scrollTop. - The viewport change event now happens at the latest 3 frames after scrolling ended. - Increased speed at which we send change event. Needed due to resolution at slow speed, but I also feel the value is better. Changes ad intersection to fire "on scroll". Fixes ampproject#873 Fixes a bug where only the first viewability provider in an ad would get an initial viewability change record. Fixes ampproject#1126
This was referenced Dec 16, 2019
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Research standard and then follow it within technical capability.
This refines #872
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