Windows Communication Foundation VS Yii
As of 30 October 2026, Yii is named by 107 companies and Windows Communication Foundation by 387; Windows Communication Foundation skews to companies under 200 people (51% vs 85%), Yii to companies over 1,000 (4% vs 23%).
As of 30 October 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: Windows Communication Foundation's script and mail records show on hundreds of thousands of small sites, Yii rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Windows Communication Foundation: 2–200 employees
- 51%
- Yii: 2–200 employees
- 85%
- Windows Communication Foundation: 1,000+ employees
- 23%
- Yii: 1,000+ employees
- 4%
- Postings per company, 90 days
- 2.0 · 1.6
- 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 | Windows Communication Foundation | share | Yii | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 3 | 1% | 1 | 1% | even |
| 2-10 employees | 27 | 7% | 12 | 11% | Yii |
| 11-50 employees | 87 | 22% | 46 | 43% | Yii |
| 51-200 employees | 83 | 21% | 33 | 31% | Yii |
| 201-500 employees | 59 | 15% | 7 | 7% | Windows Communication Foundation |
| 501-1000 employees | 39 | 10% | 4 | 4% | Windows Communication Foundation |
| 1001-5000 employees | 45 | 12% | 3 | 3% | Windows Communication Foundation |
| 5001-10000 employees | 12 | 3% | 1 | 1% | Windows Communication Foundation |
| 10,001+ employees | 32 | 8% | – | – | outside top 12 |
| Segment | Windows Communication Foundation | share | Yii | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 248 | 64% | 67 | 63% | even |
| Business & finance services | 66 | 17% | 22 | 21% | Yii |
| Manufacturing & industry | 28 | 7% | 2 | 2% | Windows Communication Foundation |
| Transport, logistics & rental | 9 | 2% | 1 | 1% | even |
| Consumer services & leisure | 7 | 2% | 2 | 2% | even |
| Utilities & infrastructure | 7 | 2% | 1 | 1% | even |
| Media & content | 6 | 2% | 8 | 7% | Yii |
| Public, community & associations | 3 | 1% | 2 | 2% | even |
| Health care | 3 | 1% | – | – | outside top 12 |
| Hospitality & travel | 3 | 1% | – | – | outside top 12 |
| Automotive | 2 | 1% | – | – | outside top 12 |
| Commerce & trade | 2 | 1% | 1 | 1% | even |
| Property & construction | – | – | 1 | 1% | outside top 12 |
| Segment | Windows Communication Foundation | share | Yii | share | Leans |
|---|---|---|---|---|---|
| United States | 205 | 53% | 46 | 43% | Windows Communication Foundation |
| India | 42 | 11% | 19 | 18% | Yii |
| United Kingdom | 24 | 6% | 6 | 6% | even |
| Germany | 12 | 3% | 8 | 7% | Yii |
| France | 11 | 3% | 2 | 2% | even |
| Australia | 8 | 2% | – | – | outside top 12 |
| Canada | 8 | 2% | – | – | outside top 12 |
| Belgium | 7 | 2% | – | – | outside top 12 |
| Italy | 7 | 2% | – | – | outside top 12 |
| Poland | 7 | 2% | 4 | 4% | even |
| Spain | 5 | 1% | 2 | 2% | even |
| United Arab Emirates | 3 | 1% | 2 | 2% | even |
| Bulgaria | – | – | 3 | 3% | outside top 12 |
| Romania | – | – | 3 | 3% | outside top 12 |
| Slovakia | – | – | 2 | 2% | outside top 12 |
| VN | – | – | 2 | 2% | outside top 12 |
| Segment | Windows Communication Foundation | share | Yii | share | Leans |
|---|---|---|---|---|---|
| Software engineering | 1,707 | 83% | 304 | 90% | Yii |
| IT operations & business systems | 92 | 4% | – | – | outside top 12 |
| Finance & accounting | 16 | 1% | – | – | outside top 12 |
| Product, program & project management | 12 | 1% | – | – | outside top 12 |
| Engineering (non-software) | 9 | 0% | – | – | outside top 12 |
| Data & AI | 8 | 0% | – | – | outside top 12 |
| Marketing & communications | 6 | 0% | 1 | 0% | even |
| Customer service & success | 4 | 0% | – | – | outside top 12 |
| Unclassified | 4 | 0% | 1 | 0% | even |
| Administration & office | 1 | 0% | – | – | outside top 12 |
| Human resources | 1 | 0% | – | – | outside top 12 |
| Logistics warehouse and transport | 1 | 0% | – | – | outside top 12 |
| Education & training | – | – | 4 | 1% | outside top 12 |
| Design & UX | – | – | 3 | 1% | outside top 12 |
The companies behind each column
Companies using Windows Communication Foundation →
Companies using Yii →
backend frameworks ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Yii is named by 107 companies in job postings and Windows Communication Foundation by 387; 0 name both. (Breaknorm, 30 October 2026, https://breaknorm.co/compare/wcf-vs-yii)
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.
Windows Communication Foundation vs Yii: questions
Which is more used, Windows Communication Foundation or Yii?
By companies naming it in their own job postings, Windows Communication Foundation (387) over Yii (107). By website-and-DNS footprint, Yii (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Windows Communication Foundation?
51% of Windows Communication Foundation companies have 2 to 200 employees, against 85% for Yii. 23% of Windows Communication Foundation companies have over 1,000 employees, against 4% for Yii.
Do companies run both?
0 companies name both in their postings, usually Windows Communication Foundation in marketing and Yii 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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