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  1. Prevent FOUT and control font loading with CSS font-display

    https://tabatkins.github.io/specs/css-font-display/#descdef-font-face-font-display

    font-display gives easy, and precise control over Flash Of Unstyled Text.

    It's makes it possible to tell the browser how long it should wait for a font before rendering a fallback.

    Some sites use JavaScript/localStorage hacks to use fallback font on the first uncached load, and then use custom fonts on later visits. This is also possible with font-display without JS/hacks.

    392 votes
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    4 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  2. Better memory management

    Improving memory management would prevent IE from blowing through all available graphic memory. Often, when using a high number of tabs (common in development), IE will overload the available graphics memory (never RAM), and elements will start disappearing from web pages or failing to load altogether.

    This needs to be tweaked so that it stops happening - it doesn't seem to be an issue for any other browser.

    257 votes
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    2 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  3. Support C++ Native client (PNaCl/NaCl)

    Pnacl is fast! (10 times faster than js, 66% faster than asm.js)
    Pnacl is portable! (LLVM)
    Pnacl is secure! (Forget about ActiveX, this is sandboxed!)
    Pnacl is mature! (with Pepper, interact the way you want with the browser)
    Pnacl is NOT an hack! (There is no heavy js transaltion, it support native multi threading, native long type, there is no crazy code deletion, you can easily debug your code, you don't have to bind class, etc...)

    So i know that the ie team will just ignore this request (it's a lot of work to implement it), but i just wanted…

    136 votes
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    2 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  4. 90 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  5. Resource Priorities

    Defines a means for site developers to programmatically give the User Agent hints on the download priority of a resource.

    http://www.w3.org/TR/resource-priorities/

    80 votes
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    2 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  6. Please be careful with making Edge Chromium-based

    I've recently read articles about the engine of Edge is being replaced by Chromium.

    I don't think this is a good idea. Microsoft Edge manages to do what no browser can do. It plays online HTML5 videos with the speed and low-resource need comparable to a native video player (like VLC or Media Player Classic).

    This is YouTube playback in Chrome and Edge compared, on the same hardware.
    https://www.youtube.com/watch?v=lu1VuKTCOK8

    Chrome and Chromium are famous about having a very catastrophic, bloated multimedia backend, especially when it comes to video playback. GPU acceleration is hardly compatible with any video hardware. Also it…

    76 votes
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    5 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  7. don't load tabs at startup until clicked

    It would be nice if, as with other well known browsers, when I start Edge with my previous tabs not loaded until I click on one of them. It would result on a faster startup loading, especially if like me, I end up having 20/30 tabs opened at each session.

    58 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  8. 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.

    53 votes
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    2 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  9. Touchpad pinch zooming should be smoother just like touchscreen zooming

    If you zoom in on a webpage using pinch zooming from the touchpad, there is a noticeable frame-by-frame lag, unlike the Mail app, in which pinch zooming is VERY smooth.

    Note: I'm talking about the touchpad, not touchscreen.

    38 votes
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    2 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  10. lazyLoad

    Currently, LazyLoad ( https://msdn.microsoft.com/en-us/ie/dn369270(v=vs.94) ) is implemented in IE and Edge, see support: https://caniuse.com/#feat=lazyload

    However there is interest in standardization to enable developers lazy-loading images/iframes and other embedded content (and the proposed lazyLoad's attribute values differ from that of current Edge/IE implementation):
    https://github.com/whatwg/html/issues/2806

    33 votes
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    2 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  11. Hide the "Make a Web Note" button. Or just pleas let me hide the useless button on the top right.

    I want to hide the useless buttons for making a web not, hub? and the share button. I will never use these and its an eye sore. I like Edge more than Chrome and I won't switch back to Chrome if these ridiculous buttons were gone.

    19 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  12. Cache images without etags and/or 2 year expiries

    Images without etags and/or cache expiry dates 2 years in the future are rarely cached. I don't know if it is the lack of etags or the 2 year expiry or both that is causing the behaviour.

    This means Edge requests the images every time you visit a page with such images making it much slower.

    Edge does send an if modified since request if you hit refresh and gets 304s back so ironically it canbe faster to refresh a page than click the URL again because a refresh will not reload all the images.

    I logged this as a…

    19 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  13. Allow common js, css, and font libraries to be *installed*

    The web abounds with popular js and css libraries that are constantly downloaded and sometimes cached by the browser. My suggestion is that MS extend the caching concept to make these libraries installable, in a manner similar to a plugin or extension.

    Examples include jquery, Bootstrap, Foundation, Skel, and numerous icon fonts like font awesome, glyphicons, and so forth. These could be installed permanently by the user, with an option for automatic updates. For something like jquery, several different versions are probably necessary. Note that if this feature is implemented, there will be incentive for web developers to converge on…

    15 votes
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    1 comment  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  14. LINK rel=subresource

    Resource prefetching for early downloading of resources intended to be used on the current page.

    This would allow URLs to resources the page will require to be specified in response headers so they can be requested as soon as possible.

    http://www.chromium.org/spdy/link-headers-and-server-hint/link-rel-subresource

    10 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  15. Improve "Laginess feel" when using Edge

    When using edge, the overal feel is very laggy, making me switch back to chrome. When I move tabs, scroll, navigate between pages, the experience should feel smooth and not "snappy" as it is now.

    10 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  16. Improve performance of Math.sqrt()

    Compare the test run count for Math.sqrt of IE11 vs Chrome at http://jsperf.com/math-sqrt-vs-newton-raphson-method.
    However, IE11 beats both Chrome and FF in Newton Raphson method test (root).

    10 votes
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    1 comment  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  17. Get this fix working for IE 11 please http://support.microsoft.com/kb/2000262/en-nz

    IE 11 Hangs and/or crashes when large amount of data is loaded within a update panel. https://support.microsoft.com/kb/2000262

    9 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  18. use Surface Book dGPU for WebGL and WebVR

    On a Surface Book 1 and Surface Book 2, both running Edge 16 with latest patches, FishGL gets <20fps. Looking at Task Manager, the Edge process is not using the NVidia discrete GPU *at all*. WebVR on the Surface Book 2 was similarly poor in performance. Please use the dGPU when WebGL or WebVR are in-use on a tab. If that means the tab has to be suspended or reloaded when detaching, that's fine by me.

    9 votes
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    2 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  19. Limit non selected tab use of resources. I.E. No audio/video processing

    My browsing generally consists of center mouse button clicking of topics that interest me, after reading a page I will close it and go onto another page.

    I suggest any back ground page that had objects that are trying to output audio or video be placed into suspend mode.

    I.E. I know I have too many tabs open when my laptop starts muttering at me or the CPU fan kicks in.

    8 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
  20. Remove browser agent string

    Remove the browser agent string since it leads to developers doing dumb browser sniffing instead of using doing things like checking if the browser supports something by trying it out.

    Removing it would show also that you are pro standards when it comes to web development since developers would have to rely more on them instead of browser specific bugs.

    6 votes
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    0 comments  ·  Performance  ·  Flag idea as inappropriate…  ·  Admin →
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