So now as SEOs, you need to follow all the latest changes in Chrome because whatever support Chrome adds, it is likely that GoogleBot will support it as well with the evergreen GoogleBot. Ilya Grigorik from the Google team posted that the Chrome team added native lazy loading support to Chrome 76 and that means when GoogleBot is running off of 76, which should be soon, it also will natively support it....
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New Native Lazy-Loading Support In Chrome 76 & Evergreen GoogleBot
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