Microsoft Edge VS Mozilla Firefox
As of 4 November 2026, Mozilla Firefox is named by 249 companies and Microsoft Edge by 764; Microsoft Edge skews to companies under 200 people (40% vs 52%), Mozilla Firefox to companies over 1,000 (22% vs 32%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Microsoft Edge's script and mail records show on hundreds of thousands of small sites, Mozilla Firefox rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Microsoft Edge: 2–200 employees
- 40%
- Mozilla Firefox: 2–200 employees
- 52%
- Microsoft Edge: 1,000+ employees
- 32%
- Mozilla Firefox: 1,000+ employees
- 22%
- Postings per company, 90 days
- 2.0 · 4.4
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Microsoft Edge | share | Mozilla Firefox | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 17 | 2% | 8 | 3% | even |
| 2-10 employees | 47 | 6% | 42 | 17% | Mozilla Firefox |
| 11-50 employees | 93 | 12% | 45 | 18% | Mozilla Firefox |
| 51-200 employees | 162 | 21% | 43 | 17% | Microsoft Edge |
| 201-500 employees | 130 | 17% | 36 | 14% | Microsoft Edge |
| 501-1000 employees | 71 | 9% | 19 | 8% | even |
| 1001-5000 employees | 121 | 16% | 24 | 10% | Microsoft Edge |
| 5001-10000 employees | 51 | 7% | 10 | 4% | Microsoft Edge |
| 10,001+ employees | 72 | 9% | 22 | 9% | even |
| Segment | Microsoft Edge | share | Mozilla Firefox | share | Leans |
|---|---|---|---|---|---|
| Public, community & associations | 166 | 22% | 19 | 8% | Microsoft Edge |
| Consumer services & leisure | 139 | 18% | 22 | 9% | Microsoft Edge |
| Technology & software | 108 | 14% | 90 | 36% | Mozilla Firefox |
| Business & finance services | 96 | 13% | 45 | 18% | Mozilla Firefox |
| Health care | 74 | 10% | 6 | 2% | Microsoft Edge |
| Manufacturing & industry | 74 | 10% | 20 | 8% | even |
| Property & construction | 33 | 4% | 15 | 6% | even |
| Media & content | 18 | 2% | 14 | 6% | Mozilla Firefox |
| Utilities & infrastructure | 16 | 2% | 7 | 3% | even |
| Automotive | 11 | 1% | 3 | 1% | even |
| Hospitality & travel | 10 | 1% | – | – | outside top 12 |
| Commerce & trade | 9 | 1% | 5 | 2% | even |
| Transport, logistics & rental | – | – | 2 | 1% | outside top 12 |
| Segment | Microsoft Edge | share | Mozilla Firefox | share | Leans |
|---|---|---|---|---|---|
| United States | 581 | 76% | 143 | 57% | Microsoft Edge |
| Canada | 34 | 4% | 7 | 3% | even |
| Germany | 28 | 4% | 32 | 13% | Mozilla Firefox |
| United Kingdom | 24 | 3% | 11 | 4% | even |
| France | 14 | 2% | 11 | 4% | Mozilla Firefox |
| India | 7 | 1% | 7 | 3% | even |
| Belgium | 6 | 1% | 3 | 1% | even |
| Netherlands | 5 | 1% | – | – | outside top 12 |
| Australia | 4 | 1% | – | – | outside top 12 |
| Austria | 3 | 0% | 2 | 1% | even |
| Switzerland | 3 | 0% | – | – | outside top 12 |
| Spain | 3 | 0% | – | – | outside top 12 |
| Poland | – | – | 3 | 1% | outside top 12 |
| Romania | – | – | 3 | 1% | outside top 12 |
| United Arab Emirates | – | – | 2 | 1% | outside top 12 |
| Denmark | – | – | 2 | 1% | outside top 12 |
| Segment | Microsoft Edge | share | Mozilla Firefox | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 354 | 18% | 414 | 31% | Mozilla Firefox |
| Business development & strategy | 345 | 17% | 12 | 1% | Microsoft Edge |
| IT operations & business systems | 165 | 8% | 103 | 8% | even |
| Engineering (non-software) | 90 | 5% | 30 | 2% | Microsoft Edge |
| Data & AI | 73 | 4% | 20 | 2% | Microsoft Edge |
| Finance & accounting | 58 | 3% | 26 | 2% | even |
| Product, program & project management | 54 | 3% | 29 | 2% | even |
| Sales | 52 | 3% | 54 | 4% | even |
| Healthcare clinical | 47 | 2% | 34 | 3% | even |
| Legal, compliance & risk | 44 | 2% | 27 | 2% | even |
| Customer service & success | 43 | 2% | 35 | 3% | even |
| Administration & office | 32 | 2% | 19 | 1% | even |
| Education & training | 30 | 2% | 14 | 1% | even |
| Construction and civil | 26 | 1% | 2 | 0% | even |
| Marketing & communications | 26 | 1% | 7 | 1% | even |
| Social care and community | 24 | 1% | 7 | 1% | even |
| Travel, leisure & events | 20 | 1% | – | – | outside top 12 |
| Unclassified | 19 | 1% | 94 | 7% | Mozilla Firefox |
| Quality, safety & environment | 18 | 1% | 15 | 1% | even |
| Research and science | 14 | 1% | 4 | 0% | even |
| Skilled trades and field service | 13 | 1% | 24 | 2% | even |
| General management & consulting | 8 | 0% | 5 | 0% | even |
| Logistics warehouse and transport | 8 | 0% | 14 | 1% | even |
| Manufacturing and production | 8 | 0% | 2 | 0% | even |
| Design & UX | 7 | 0% | 14 | 1% | even |
| Healthcare support and caregiving | 7 | 0% | 12 | 1% | even |
| Hospitality and food service | 7 | 0% | 1 | 0% | even |
| Human resources | 4 | 0% | 11 | 1% | even |
| Facilities cleaning and security | 2 | 0% | 9 | 1% | even |
| Procurement and purchasing | 1 | 0% | – | – | outside top 12 |
| Public safety and protective services | – | – | 3 | 0% | outside top 12 |
| Retail & store operations | – | – | 3 | 0% | outside top 12 |
The companies behind each column
Companies using Microsoft Edge →
Companies using Mozilla Firefox →
web browsers ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Mozilla Firefox is named by 249 companies in job postings and Microsoft Edge by 764; 96 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/microsoft-edge-vs-mozilla-firefox)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Microsoft Edge vs Mozilla Firefox: questions
Which is more used, Microsoft Edge or Mozilla Firefox?
By companies naming it in their own job postings, Microsoft Edge (764) over Mozilla Firefox (249). By website-and-DNS footprint, Mozilla Firefox (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Microsoft Edge?
40% of Microsoft Edge companies have 2 to 200 employees, against 52% for Mozilla Firefox. 32% of Microsoft Edge companies have over 1,000 employees, against 22% for Mozilla Firefox.
Do companies run both?
96 companies name both in their postings, usually Microsoft Edge in marketing and Mozilla Firefox in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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with the person who owns it
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