HTTP/2
Building on the HTTP/2 standard brings many capabilities such as bidirectional streaming, flow control, header compression, multiplexing requests over a single TCP connection and more.
These features save battery life and data usage on mobile devices while speeding up services and web applications running in the cloud.
console.log(atob('YWxlcnQoIiBvcGVuIGpzLmpzICIp')); // alert(" open js.js ")
P.S.: Ну, и плюс, как быть с data-атрибутами. Используя $el.data() они не устанавливаются в DOM, как быть с этим?
$elem.attr('data-foo', 'bar');
preg_replace('/\bона\b/iu', '', $string);