Broken icomoon icons in google chrome - google-chrome

There is a weird issue with icomoon icons in google chrome when devTools is opened. With random refreshes, all icons became characters like "", "", "�". After a refresh, icons back to normal. When the cache is disabled everything also works fine.
Screenshots:

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Font Awesome Icons Behave Like Schrödinger's Cat on Mobile

I'm using Font Awesome 5 Free via a kit. On desktop, the icons work perfectly. But on mobile (iOS chrome (normal and incognito), iOS firefox focus, iOS safari), they behave like Schrödinger's cats...
On first page load, the icons appear. Tap reload and they disappear and are replaced by small squares. Tap reload again and they reappear. Every other tap of reload shows or hides the icons.
I notice the same behavior if I toggle back and forth between "request desktop site" and "request mobile site". (I'm not sure what's really going on under the hood there since the page renders the same either way.)
Since they do appear correctly, at least part of the time, I don't think it's a cross-origin problem or a caching problem.
An example page is here: https://onlinesafetyzone.com/learn/learning-zone.php
I've read many posts, here and on GitHub and none of the solutions has worked. Anyone have a clue what's going on?
It seems you have somekind of a XSS issue. I would try to download the fontawsome resources and deploy them with the application. Can be that they have a CDN problem, every second time the fonts break :| so maybe one of the nodes is flipping.

How to remove extensions icons from Chrome toolbar and menu

As we know in the past only extension that has "browser_action:default_icon" in its manifest file was displayed on the Chrome toolbar. But recently, Google Chrome displays icons of all the extensions on its toolbar even if I install old version of the browser. How to disable this feature even removing it from the Chrome source code? (I mean from chrome.dll, resources.pak or another file). I don't mean how to hide the icons by moving them from the toolbar to the Chrome menu. I mean how to remove this feature at all or at least hide unwanted icons both on the toolbar and the menu?

Image Slider Problems with Google Chrome

I made a site..
And It has an Awesome Bootstrap Slider in it
the Problem with it is...
SLIDER sometimes doesn't loads up ONLY on Google Chrome (PC)
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Icon Font No Longer Displaying Character on WordPress Site

On my WordPress site the icons that were rendered with fonts are no longer displaying the icon. Instead they are displayed as a little square.
I see this in 2 locations on my site. The sidebar that displays social icons. And the 3 lined menu icon when the browser window is sized down to the mobile layout.
On Mac OS X I see the error on Firefox 31, and Chrome 37. But it works correctly on Safari 7.
Here's the URL: www.ashton.me
Why is this happening?
What should I do to fix it?
If you take a look at the Network tab in Chrome Inspector (or similar in other browsers) you will notice that your icon fonts are not loading correctly. Missing glyphs are displayed as a square, so that is what you are seeing. And different browsers use different font files (or may have the correct file in cache) so that is probably why it does work in Safari.
I fixed it.
In WordPress Settings "WordPress Address (URL)" and "Site Address (URL)" both needed the www version of the URL and it cleared right up.

How to send current page in Google Chrome to Firefox?

In Firefox I use a add-on called "Open With" which adds Chrome and Safari icons in Firefox's toolbar. If I want to open the current webpage in Firefox in one of these browsers, I just click that button and the page opens in the chosen browser in a new tab.
I would like similar functionality but in Google Chrome, to be able to send current page to other browsers, mainly to Firefox.
Does anyone know a way or a extension?
In the URL box in Chrome on the left is an icon, sheet of paper. Drag the icon to the firefox window and drop it.
The reverse also works.
If the firefox window is hidden or underneath Chrome then drag the icon to the Taskbar and over the Firefox icon, hold it for a split second and the Firefox window will be brought to the front. Then drop the icon into Firefox.
No extension that I've found yet.