Firefox is besting IE

EddieC -1 Tallied Votes 327 Views Share

If you're not yet among the percentage of the population people using Mozilla's Firefox browser, which by one count stands at 47.5 percent, perhaps the anniversary of its launch will give you cause. Yesterday was Firefox's fifth birthday, and its market share with co-leader Internet Explorer by many counts continues to grow while Microsoft's continues to shrink.

First released on Nov. 9, 2004, Firefox is now used by more than 330 million people worldwide, Mozilla.org, which itself reports Firefox market share at 24.7 percent, according to October 2009 numbers from netapplications .com, which researches market share. In fact, the organization in cited that Firefox had increased its market share by four percent in a single month (September, 2009) based on a trend the firm began following with the June release of Firefox 3.5.

Dani AI

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Short update and practical next steps (years after the original posts)

The browser landscape has moved on since this thread began. Chrome now dominates global usage, and Microsoft has retired the legacy Internet Explorer desktop experience—recommending migration to Microsoft Edge and offering an IE compatibility mode for legacy apps through at least 2029. This matters for anyone still designing for "IE-only" pages or relying on Trident-era hacks. (gs.statcounter.com)

For developers: stop relying on user‑agent hacks. Use feature detection and progressive enhancement so the same codebase works across engines, and pick polyfills and fallbacks deliberately. Two practical tools to plan and test compatibility are Modernizr (feature detection) and Can I Use (support tables). Also avoid blindly loading community polyfill services from unknown CDNs: the Polyfill.io domain was compromised in 2024, so host critical polyfills locally or use a vetted mirror. Use a cloud testing service (or real-device lab) to reproduce problems across vendors. (modernizr.com)

For users and site-owners seeing the symptoms mentioned here (extensions bloat, crashes with many tabs, FTP problems): try Firefox’s Troubleshoot/“safe” mode, disable or remove heavy add-ons, test with a fresh profile, and use the browser’s performance tools to find bad tabs or extensions. Modern browsers have also removed built-in FTP handlers—use a dedicated FTP/SFTP client or move file hosting to HTTPS. If a page truly needs an IE engine, IETab-style plugins exist for casual use, but enterprises should use Edge’s IE mode for supported legacy apps. (computerworld.com)

Concrete short checklist

  • Replace UA sniffing with feature detection (Modernizr) and verify with Can I Use.
  • Host polyfills locally or use trusted CDNs after auditing them.
  • Use cloud device/browser testing (BrowserStack or similar) to replicate issues.
  • Plan to migrate any IE‑dependent apps off Trident or into Edge IE mode. (browserstack.com)

Notes tied to thread posts: ’s IE‑engine plugin tip is still useful for quick fixes; ’s FTP complaint is explainable by FTP removals; /’s crash reports often point to extensions or corrupt profiles rather than the rendering engine alone.

wynn455 0 Newbie Poster

I use both. When using ftp:// Firefox SUCK in that.
But also, most of the coding that is used in IE does not work in Firefox. So, you have to learn BOTH.

EddieC 0 Posting Whiz in Training

there are plugins for Firefox that render pages in Firefox using the IE engine. just click a button when on a page to alternate between one engine and the other.

Here are a few:
https://addons.mozilla.org/en-US/firefox/tag/ie

mithunsingh 0 Newbie Poster

Yeah, you are saying true! Mozilla Firefox is the best then IE. Mozilla have more important plugins, addon and tools for users. Mostly person using Mozilla Firefox browser.

Member Avatar for Member #931611
Member #931611

Internet Explorer is based on the aging, and largely obsolete, Triednt parsing engine. Unfortunately, rather than re-building the engine from scratch, or starting anew with another engine, Microsoft leaves much of the code in the current Triedent, the same as it was half a decade ago.
Another problem is that MS barely lets third-party developers create extensions for IE. While they do exist, they're very unpopular, simply because IE is dying.
Why so? Because Microsoft got lazy. Between the release of (the infamous) IE6, in 2001, and the release of IE7, in 2006, other browsers, like Firefox, Safari, and Opera, gained significant ground in the browser market. Let's take a look at Firefox's release history, between FF1.0, until IE7 came out, October 18, 2006.

  • October 26, 2004: Firefox 1.0 final release makes its first appearance.
  • November 29, 2005: The 1.5 update is released.
  • October 16, 2006: Firefox 2.0 is in final public beta, to be released about a week later.

That's three major builds in less than half the time it took for IE to make a single update. As of late, open-source browsers, specifically, Chrome and Firefox, are on something of a 6-week release schedule. Firefox is already up to version 15 as of this writing, and Chrome (est. 2008), is up to 19, and 21 on the Canary channel. And these browsers all support the latest technologies: HTML5, CSS3, web fonts, you name it. Until IE9 came along, web developers struggled to get any modern design to work properly in Explorer. Heck, it still looks a bit messed up.
As for Firefox, people have gotten drunk off all the extensions: a few people I know can't live without forty extensions giving them various status messages from all their social networks and email accounts. As a result, Firefox has generally gotten much, much slower than, for example Chrome. While Chrome does have extensions, the Chrome Web Store, an integrated software distribution client, puts more emphais on web apps, which don't have to load as the browser launches, but rather are stored locally, or loaded on request.
Does Firefox stand a chance in the future of web browsing? Undoubtebly. Will it beat Internet Explorer, in terms of theoretical attractiveness? It already did, on October 26, 2004. Will it ever be #1? Unlikely. The fact that IE is installed by default on every Windows machine is a major reason why its current user base is so large. Google Chrome also has an advantage in that Google can display Chrome "Chrome Fast" ads all over the net, thanks to Google's AdSense ad client, used by thousands of sites Internet-wide.

artonweb 0 Newbie Poster

I had the same opinion about firefox until today.
Now I see many crashes, when I am trying to load more than 5 tabs.
I am thinking to try Chrome.

Member Avatar for Member #802830
Member #802830

I have swaped to Chrome about a year ago, since my old laptop just kept crashing on Firefox.
So far my opinion is that Google Chrome is the most user friendly browser. Really really to use and configure.
And the best part - you can keep it as simple as you like and you can enjoy browsing better than ever

jfejsa 0 Newbie Poster

I used Chrome for about 12 months and only use Firefox and IE when I have to test my website. Firefox was great but now it's a bloated browser that keeps on crashing almost as bad as IE.

Troy III 272 Posting Pro

According to the latest moves,
it is Chrome who is besting Firefox, while IE is keeping its own.

Firefox has fallen to 20% while Chrome has risen to 20% of the market share.
Three months ago it was about (24% fx) by (16% Ch) ratio

Meaning...
Chrome is gaining exclusively from Firefox market share.

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