🐛 Create image pixel in onload event handler of iframe #27204
Merged
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Context: #23935 (comment)
Addresses the fourth and soon-to-be* third most frequent unexpected error logged to AMP Error Reporting.
The soon-to-be part is because error volume has skyrocketed due to a very large news publisher updating their site in a way that triggers this race condition all the time. It's only been live for a day or so right now and only on Beta/Experimental, but based on that slice of traffic it's set to outpace almost all other reported errors.
I expect this to eliminate approximately 1 million error reports per week, based on the frequency of these two errors in Beta/Experimental
Closes #23935
Closes #27207