How can we improve the Microsoft Edge developer experience?

support for websockets compression using permessage-deflate

Chrome and Firefox support the standards based websockets compression extension permessage-deflate during protocol upgrade negotiation (see https://tools.ietf.org/html/draft-ietf-hybi-permessage-compression-17).

Applications that use websockets with a reasonable payload across a LAN (eg. most JSON payloads) and especially across the internet are noticeable slower in Edge.

As more modern web apps (SPAs especially) implement websockets, Edge is at a disadvantage compared to competitive Windows browsers.

Please consider for a future update of Edge.

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