In reply to Arūnas.

Exactly. This is yet another push by Google pushing their browsers and market share. I am very worried to see how Google gets involved into WordPress development to add features that only the engine supports that Google controls. Firefox and diversity will be the looser. In the end the free www as we know (knew?) it.

I am all for the lazy loading feature, but there are valid points why this is not an official standard yet. (And the way chromium implements it !== a standard)