Hi, I noticed Discourse HTML code having below kind of lines What it does? Is it for other browser as well except outdated Internet Explorer? Please see https://caniuse.com/#search=preload If browser would be already outdated then How is it going to support preload? I don’t see advantage of preloading at least for modern browser who probably don’t need browser update message. I am not sure if this is related to just Internet Explorer or other too, in case IE; may be we can just use conditional HTML comment line instead using JS? This would be lightweight. Unfortunately, your browser is too old to work on this site . Please upgrade your browser Top 10 Web Browsers 1 Chrome 78 38.51% 2 Safari 13 8.65% 3 Chrome 77 5.89% 4 Safari 12 4.25% 5 Firefox 70 3.57% 6 IE 18 3.17% 7 IE 11 2.99% 8 Samsung 10 2.44% 9 Chrome 76 1.82% 10 Chrome 74 1.44% Source: W3Counter: Global Web Stats Is it still neccessary? Thanks & Regards, Gulshan

AFAIK IE is still supported until June, although support is currently being moved into a plug-in.

Most of my audience are familier about latest browser. I would be happy to ignore support for IE.

Move Internet Explorer support to core plugin Discourse will be dropping support for Internet Explorer in June 2020. (A formal announcement will be made mid-January). In preparation for this, Internet Explorer specific code has been moved into a plugin, making it easier to remove come June. Source

Why would preloading be a problem? I do not understand your request.

[image] Gulshan_Kumar: 6 IE 18 3.17% 7 IE 11 2.99% For rest browsers, it’s not worth wasting users’ bandwidth for unused preloaded resources.

It has been ok for the past ~six years. Six months more isn’t a big deal. The reason to spin out IE support is more to reduce complexity than any burden created from preloading.

[image] Gulshan_Kumar: For rest browsers, it’s not worth wasting users’ bandwidth for unused preloaded resources. What about Microsoft Edge?

I hope, in next 6 months it will be removed.

One reason to disable preload for browser-update JS

Development

Justin_Vega (Justin Vega) December 30, 2019, 6:05pm 7

There’s no such thing as IE 18.

Topic		Replies	Views
Preload certain site images Feature	8	1995	February 26, 2015
IE 10: Blank page is showing rather not supported message Bug	5	1155	May 6, 2019
Refused to load preload-store.js Product Support	6	798	May 8, 2020
Discourse will be dropping IE9 support in 2016 Feature rfc	14	7005	January 3, 2016
Odd "data-preloaded" element in HTML Product Support	1	941	October 8, 2020

One reason to disable preload for browser-update JS

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