What powers ensembl.org?
Last seen Aug 2026 · 29 technologies across 16 categories
Analytics
Caching
CDN
Font scripts
Hosting
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Performance
Security
UI frameworks
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 *: Restricted (was Blocked)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| trmu | #17 | 26,300 |
| ucsc genome | #7 | 460 |
| ccds | #10 | 340 |
| ensembl genome browser | #1 | 300 |
| ensembl biomart | #1 | 220 |
| sus scrofa scrofa | #36 | 210 |
| c-myc gene | #10 | 210 |
| myc gene | #10 | 210 |
| h sapiens sapiens | #76 | 190 |
| hommo sapiens | #53 | 190 |
| eng gene | #11 | 170 |
| emu dolphin | #59 | 160 |
| saltwater sunfish | #92 | 130 |
| jerboa | #79 | 130 |
| arnt | #4 | 130 |
| genome assembly | #1 | 120 |
| ncbi blastp | #16 | 120 |
| synteny | #4 | 110 |
| apob | #34 | 100 |
| ftp | #63 | 100 |
| gtf file format | #1 | 97 |
| google gnome | #53 | 95 |
| embl | #21 | 93 |
| rbks | #7 | 92 |
| genome | #27 | 85 |
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
- 88% desktop
- 6% phone
- 6% tablet
United States
Uruguay
Australia
Türkiye
India
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.57 / 10 · ranked #16,025 of all domains
1,493 referring domains · OpenPageRank
Search traffic
42,400 est. monthly organic visits (US)
16,153 keywords in Google's top 30
Core Web Vitals
| LCP | 2.8 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.6 MB · 30 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.ensembl.org | 13 |
| beta.ensembl.org | 11 |
| bacteria.ensembl.org | 9 |
| training.ensembl.org | 8 |
| fungi.ensembl.org | 7 |
| plants.ensembl.org | 7 |
| uswest.ensembl.org | 7 |
| asia.ensembl.org | 6 |
| metazoa.ensembl.org | 6 |
| protists.ensembl.org | 6 |
| vega.archive.ensembl.org | 6 |
| covid-19.ensembl.org | 5 |
| grch37.ensembl.org | 5 |
| may2017.archive.ensembl.org | 5 |
| oct2014.archive.ensembl.org | 5 |
| useast.ensembl.org | 5 |
| feb2021.archive.ensembl.org | 4 |
| feb2023.archive.ensembl.org | 4 |
| jan2020.archive.ensembl.org | 4 |
| jul2023.archive.ensembl.org | 4 |
| m.ensembl.org | 4 |
| mart.ensembl.org | 4 |
| may2009.archive.ensembl.org | 4 |
| may2015.archive.ensembl.org | 4 |