What powers umc.com?
Last seen Oct 2026 · 34 technologies across 16 categories
Analytics
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Nov 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| united microelectronics corporation | #1 | 270 |
| umc company | #1 | 270 |
| swagelok | #95 | 53 |
| umc taiwan company | #1 | 43 |
| umc foundry | #1 | 43 |
| umc company taiwan | #1 | 43 |
| 40nm | #2 | 28 |
| umc fabrication | #1 | 21 |
| umc website | #8 | 14 |
| umc earnings | #1 | 9 |
| nyse: umc | #9 | 9 |
| 14 nm | #5 | 8 |
| 14nm | #5 | 8 |
| umc income | #9 | 7 |
| umc fabrication | #3 | 7 |
| umc dividend history | #5 | 7 |
| 22nm | #3 | 7 |
| umc ceo | #5 | 5 |
| foundry meaning | #88 | 5 |
| 28nm | #4 | 5 |
| 22 nm | #4 | 5 |
| umc stock dividend | #5 | 4 |
| polar communications | #91 | 4 |
| brigade management | #98 | 3 |
| umc shuttle | #3 | 3 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 85% desktop
- 15% phone
Taiwan
Singapore
India
Japan
United States
Malaysia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.38 / 10 · ranked #174,297 of all domains
277 referring domains · OpenPageRank
Search traffic
940 est. monthly organic visits (US)
189 keywords in Google's top 30
Core Web Vitals
| LCP | 2.2 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 10.0 MB · 77 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- United Microelectronics Corporation
- Founded: 1980
- Sector: semiconductor industry
- Country: Taiwan
From Wikidata (CC0).
Infrastructure
- Registered May 1999 (27 years) via Network Solutions, LLC, renews Dec 2026
- Hosted on Cloudflare (104.18.24.116)
- DNS: Cloudflare DNS
- Email: umc.com
- Email security: SPF (soft fail), DMARC quarantine
- SSL: TWCA, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 65,460, 11 hosts
- Verified with: Apple Business, Google, KnowBe4, Microsoft 365, OpenAI
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.umc.com | 13 |
| sgcareers.umc.com | 11 |
| careers.umc.com | 10 |
| mobile01.umc.com | 9 |
| my2.umc.com | 8 |
| ulearn.umc.com | 8 |
| byod.umc.com | 7 |
| mybuyer.umc.com | 7 |
| culture.umc.com | 6 |
| www.recreationcenter.umc.com | 6 |
| umc.com | 5 |
| u-mask.umc.com | 4 |
| www01.umc.com | 4 |
| hr.umc.com | 3 |
| roaming2.umc.com | 1 |
Full technology history →
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Recent changes
- dropped HCL Domino Oct 2026
- detected Google Tag Manager May 2026