udn.com
udn.com is ranked #4,091 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), down 8 places in four weeks. The domain was registered on Sep 10, 1998, 28 years, 1 month ago, through Network Solutions, LLC, and is paid up until Sep 9, 2031. Its homepage uses Google Fonts, Google Analytics, Google Tag Manager, Google Ad Manager and Taboola. It is served by Nginx.
Popularity rank
#4,091 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #3,970.
Domain registration
- Registered
- Sep 10, 1998 (28 years, 1 month ago)
- Expires
- Sep 9, 2031
- Registrar
- Network Solutions, LLC
- Name servers
a1-8.akam.net,a13-65.akam.net,a2-66.akam.net,a26-67.akam.net,a7-64.akam.net,a8-65.akam.net- DNSSEC
- Not signed
From the registry's public RDAP record, checked Oct 1, 2026.
Technology stack
Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.
Homepage SEO check
Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.
15 passed · 7 warnings · 1 failed
Content
- !Title13 characters — aim for 15–65
- ✓Meta description82 characters
- ✕H1 headingMissing in the served HTML
- ✓Subheadings6 H2 headings
- !Image alt text3 of 131 images have no alt text
- ✓Content lengthAbout 17,462 words
Indexing
- ✓IndexableNo noindex directive
- ✓Canonical URLhttps://udn.com
- ✓robots.txtFound
- ✓XML sitemapFound
- ✓Language attributezh-TW
- ihreflang1 language alternates
- ✓Structured dataWebSite, Organization, BreadcrumbList
Social sharing
- ✓Open GraphTitle, description and image set
- ✓Twitter / X cardsummary_large_image
Technical
- ✓HTTPSServed over HTTPS
- ✓Mobile viewportFound
- ✓FaviconFound
- ✓Character encodingutf-8
Security headers
- !Strict-Transport-SecurityNot set
- !Content-Security-PolicyNot set
- !Clickjacking protectionNot set
- !X-Content-Type-OptionsNot set
- !Referrer-PolicyNot set
Server response
- Final URL
https://udn.com/- HTTP status
- 200
- Server
nginx- Response time
- 123 ms (first byte 83 ms, from our scanner in a US data centre)
- HTML size
- 410 KB
- Compression
- gzip
Sites with a similar tech stack
| Rank | Website |
|---|---|
| #6,335 | dafiti.com.br |
| #6,279 | abplive.com |
| #6,600 | kolesa.kz |
| #1,361 | tenki.jp |
| #6,620 | india.com |
| #7,525 | novosti.rs |
Sites ranked near udn.com
| Rank | Website | Registered |
|---|---|---|
| #4,086 | ollama.com | 2017 |
| #4,087 | google.com.pk | — |
| #4,088 | lazada.sg | 2012 |
| #4,089 | signifyd.com | 2010 |
| #4,090 | wordreference.com | 1999 |
| #4,092 | wufoo.com | 2006 |
| #4,093 | backblazeb2.com | 2016 |
| #4,094 | creditkarma.com | 2005 |
| #4,095 | krushmedia.com | 2012 |
| #4,096 | carfax.com | 1997 |
Questions about udn.com
How popular is udn.com?
udn.com is #4,091 worldwide in the Tranco list published Oct 13, 2026.
How old is udn.com?
udn.com was registered on Sep 10, 1998, which makes the domain 28 years, 1 month old.
What is udn.com built with?
We detected Google Fonts, Google Analytics, Google Tag Manager, Google Ad Manager, Taboola and Nginx on its homepage.
Who is the registrar of udn.com?
Network Solutions, LLC, according to the registry's RDAP record.