When comparing Internet Explorer vs Iridium Browser, the Slant community recommends Iridium Browser for most people. In the question“What are the best desktop web browsers?” Iridium Browser is ranked 13th while Internet Explorer is ranked 64th. The most important reason people chose Iridium Browser is:
* Disable "Use a web service to help resolve navigation errors" * Disable autocomplete through prediction service when typing in Omnibox * Always send "Do-Not-Track" header * Network/DNS prediction is disabled by default * Block third-party cookies by default * Link auditing (<a ping="...">) is disabled by default * Fetch plugins list from iridiumbrowser.de where it will be updated regularly * Site data (cookies, local storage, etc.) is only kept until exit, by default * Passwords are not stored by default * Input form autofill is disabled by default * For IPv6 probes, use a DNS root server instead of Google * The default search provider is Qwant * Load "about:blank" on new tabs instead of the currently set search engine and/or promotions. * Don't report Safe Browsing overrides. * Don't use autofill download service. * Disable cookies for safebrowsing background requests. * Disable the battery status API.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Downloads well
Downloads safely, quickly, and nicely.
Pro System built-in browser
Browser has many system related features. With Internet Explorer you can run certain types of files, without saving them in a non-temporary directory, or you can change proxy settings via a built in Windows dialog window.
Pro Can fluidly stream 4k video
IE 11 can fluidly stream 4k videos on Youtube without issue.
Pro Works great with ruTorrent
Pro Isn't a big target for hackers
Nearly all browsers use the same browser engine as Chrome, Safari, or Firefox; meaning they have the same security-holes as one of the big three. IE doesn't, it has has its own engine.
In other words, even if you find yourself on a website that tries to hack your computer: It's very likely that the the website will only be designed to hack the big three, and wouldn't be able to do anything to IE.
Pro Privacy enhancements over Chromium
- Disable "Use a web service to help resolve navigation errors"
- Disable autocomplete through prediction service when typing in Omnibox
- Always send "Do-Not-Track" header
- Network/DNS prediction is disabled by default
- Block third-party cookies by default
- Link auditing (<a ping="...">) is disabled by default
- Fetch plugins list from iridiumbrowser.de where it will be updated regularly
- Site data (cookies, local storage, etc.) is only kept until exit, by default
- Passwords are not stored by default
- Input form autofill is disabled by default
- For IPv6 probes, use a DNS root server instead of Google
- The default search provider is Qwant
- Load "about:blank" on new tabs instead of the currently set search engine and/or promotions.
- Don't report Safe Browsing overrides.
- Don't use autofill download service.
- Disable cookies for safebrowsing background requests.
- Disable the battery status API.
Pro Lots of extensions available
Due to access to the Chrome Web store.
Pro Extensions are updated manually
They won't update automatically in the background.
Pro BSD license
You are in control and you can do almost anything with the code.
Pro Simple installation
Provides installers and packages for the most operating systems and linux distributions.
Pro Security improvements over Chromium
- Increase RSA keysize to 2048 bits for self-signed certificates (used by WebRTC)
- Generate a new WebRTC identity for each connection instead of reusing identities for 30 days
- Generate a new ECDHE keypair for each WebRTC connection instead of reusing them for multiple connections
- Disable using system-provided plugins (i.e. Java, Flash, etc.)
Pro Fast
It is fast since all background services have been disabled or removed.
Pro Disabled features
- Disable background mode
- Disable EV certificates, so they are shown just like "normal" certificates
- Disable Google cloud printing
- Disable Google hot word detection
- Disable Google experiments status check
- Disable Google translation service
- Disable Google promotion fetching
- Disable Google Cloud Messaging (GCM) status check
- Disable Google Now
- Disable automatic update check
- Disable profile-import on first run
Pro Based on Chromium
Supports all the modern web features.
Cons
Con Out of date
Con Final version of the browser
Microsoft confirmed that Internet Explorer 11 (released on 2013, still bundled in Windows 10) will be the last version of Internet Explorer as Microsoft is shifting it's development focus to Microsoft Edge.
Con Windows only
Internet Explorer is currently available on Windows only. Internet Explorer was previously available on OS X and UNIX, but both of them have already been discontinued.
Con No browser extensions
Internet Explorer's functionality cannot be extended via extensions/plugins.

Con Not standard compliant
Con Problem rendering online Google Web Apps correctly
I.E. 11 has many issues with rendering Google Web Apps correctly such as Docs or Sheets. The landing pages for each has incorrect button placements and doubled icons, making the sites barely navigable.
Con It's slow and crashes a lot
Con Created By Microsoft
Con No reader view
Con Slow updates
Since the whole Chromium Release need to be scanned, PC users may wait half a year while the Chrome base gets updated five or six iterations.
Con Buggy
Sometimes, removing extensions won't work. Some websites downright refuse to load, no matter the settings.
Con Extensions MUST be updated manually
Con Poor debian support
current versions miss support for debian-based distributions which is by far the most widely used group of linux distributions.
Con Definitive unique browsing-fingerprint
Con Google Safebrowsing enabled by default
Con Based on Chromium
Since iridium is based off chrome, it is depend on all of Google's decisions.
