Bounce rate nearly 90% in Safari, why? - browser

Our website has a bounce rate of nearly 90% in all Safari versions and around 70% in all other browsers.
I tested the site on almost safari versions and couldn't find a clear reason why this high bounce-rate percentage only existed in the safari browser. has anyone else faced this issue? any solutions?

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Annoying external monitor scaling

Two days ago I updated my RubyMine and WebStorm installs to the latest version (v2017.2) and immediately had issues with scaling on my external monitors. My laptop has a 4k screen and I use twin full HD external monitors. Normally when I slide an app window from 4k --> Full HD the window and fonts shrink appropriately and the reverse happens going the other way.
I thought I did something wrong before I updated or applied some weird software/system setting so I looked at my preference settings and I played around with my monitor resolutions and scalings. Nothing made the apps appear the way it did before the update. I uninstalled the software and downgraded to the previous versions (v2017.1.x) and it worked again!!!
Has anyone else seen this behavior? Have you been able to figure out why it happens and what you did to fix it?
System info:
Toshiba Satellite S55t 4k
Windows 10 Creators Update
Asus VN248H-P
StarTech USB3 dock USB3SDOCKDD

Google Chrome performance: Linux vs Windows

I've done website with some expensive CSS3 effect - a lot of text shadows and animation. When I run this site in Google Chrome 37 on Ubuntu 14.04 FPS counter shows about 5 FPS. The same site in the same Chrome version on Windows 7 run at ~16 FPS.
Why is so much difference in FPS between this two versions of Chrome?
The reason for the observed behavior is that Chrome has put a lot of work optimizing drivers for major operating systems and it in fact runs slower on Linux.
Maybe, using Wine 5 you would be able to run the chrome windows version, and do some benchmarks and let the world know of the difference.

What browser uses the least resources?

I'm quite fed up from Firefox, Chrome, Opera and all the leading browsers with too much features that I (we) don't even use.
I know there are a lot of browsers out there, open source, minimalistic etc. Can you recommend a good browser that uses the least CPU/RAM? It doesn't need to have a lot of features.

How to emulate a slow client (browser)? Mac

I'm looking to simulate a slow browser:
The question is the same as this one but the answers given on that question are out of date.
How to emulate a slow client (browser)?
I'm looking for updated answers pertaining to the latest versions of Firefox, Chrome, Opera, or Safari.
Thanks.

HTML5 geolocation more accurate on Windows than Linux (Firefox, Chrome, [Chromium])

I've been playing with HTML5 geolocation and noticed that I get consistently better results on my Windows system than on my Linux system.
I dual boot, so hardware is identical. Wifi is on in both scenarios, and there's no GPS adapter built in.
By more accurate I mean that on Windows the location shown is usually within 50-100m of my actual location, while on Linux the location is off by ~6km (and it never varies, it always shows the exact same location, basically the city center).
Tested on Chrome and Firefox on Windows, and Chrome, Chromium and Firefox on Linux.
Update: Just tested on Safari/Mac OSX. Same precision as in Windows. So Linux is the only system with bad results :(
Can anybody reproduce this? Do Firefox and Chrome on Linux not make use of the WiFi as an additional source of location information? What else am I missing here?
Thanks for your valuable input!
Acording to this article: HTML5 geolocation accuracy
Not all Geolocation services are the same, and they certainly don’t all use the same algorithms and exact same databases. Because of this the results typically vary across browsers that use different Geolocation services.
It also explains that Firefox on Windows uses Google Location Services. Firefox on Linux uses GPSD, GPS daemon is a service for geolocation on Linux.
That may be the reason for the difference in accuracy.

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