What powers 
undertale.com?
Last seen Oct 2026 · 13 technologies across 8 categories
Analytics
CDN
JavaScript frameworks
JavaScript libraries
Miscellaneous
UI frameworks
Video players
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| deltarune | #13 | 1,500 |
| undertale game | #2 | 1,200 |
| asgore | #7 | 1,000 |
| undertale free | #3 | 530 |
| undertale | #78 | 520 |
| alarm clock undertale | #1 | 330 |
| undertale alarm clock | #1 | 310 |
| undertale download windows | #3 | 290 |
| where can you play undertale | #1 | 270 |
| where to play undertale | #1 | 270 |
| undertale collector's edition | #2 | 260 |
| undertale ps4 | #2 | 210 |
| where can i play undertale | #1 | 200 |
| undertale asgore | #7 | 170 |
| undertale video game ps4 | #2 | 160 |
| fangamer | #33 | 160 |
| steam undertale | #6 | 130 |
| mettaton | #74 | 85 |
| full game undertale | #2 | 79 |
| undertale mobile | #5 | 75 |
| undertale game unblocked | #10 | 75 |
| is undertale free | #3 | 70 |
| toriel | #55 | 70 |
| mac undertale | #1 | 64 |
| undertale rpg games | #1 | 64 |
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 AI crawlers blocked
Audience
- 52% desktop
- 44% phone
- 4% tablet
United States
India
Japan
Brazil
United Kingdom
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.31 / 10 · ranked #193,638 of all domains
283 referring domains · OpenPageRank
Search traffic
11,200 est. monthly organic visits (US)
1,696 keywords in Google's top 30
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.9 MB · 42 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Apr 2013 (13 years) via Name.com, Inc., renews Apr 2027
- Hosted on Cloudflare (104.21.63.82)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 497,564, 5 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| undertale.com | 8 |
| ut10-battle.undertale.com | 5 |
| www.undertale.com | 5 |