It does affect it, at least under Firefox; check your web developer tools. Here's a tiny portion of a massive error message: Error logged with the Track&R

It does affect it, at least under Firefox; check your web developer tools. Here's a tiny portion of a massive error message: Error logged with the Track&Report JS errors API(http://tiny/1covqr6l8/wamazindeClieUserJava): {"m":"undefined Unknown error","name":"Error","csm":"v5 ueLogError stack","logLevel":"ERROR","attribution":"APE-safeframe","pageURL":"https://www.amazon.com/s?k=mastering+perl&s=price-asc-rank&ds=v1%3ANxZp5S66jp%2F1FIQyOG0JNqN4D96zzLqBks5YP1xArBo","f":"https://www.amazon.com/s?k=mastering+perl","l":2039,"s":["logError<@https://www.amazon.com/s?k=mastering+perl:2039:60","importScript</script.onerror@https://www.amazon.com/s?k=mastering+perl:2039:267","EventHandlerNonNull*importScript<@https://www.amazon.com/s?k=mastering+perl:2039:230","@https://m.media-amazon.com/images/I/61ZS63EQSsL.js?AUIClients/AmazonUIjQuery line 44 > eval:1:372"