What powers nextstrain.org?
Last seen Jun 2026 · 40 technologies across 16 categories
Analytics
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| gisaid | #3 | 97 |
| strain | #43 | 85 |
| cov | #12 | 68 |
| pathogen | #44 | 64 |
| pb2 | #88 | 35 |
| pb2 | #42 | 35 |
| pb2 | #88 | 35 |
| pb2 | #42 | 35 |
| genome of measles virus | #1 | 33 |
| nextstrain | #1 | 18 |
| measles virus genome | #2 | 18 |
| katherine russell | #68 | 16 |
| hiv los alamos | #2 | 15 |
| covid variant tracker | #2 | 11 |
| david neher | #76 | 11 |
| covid phylogenetic tree | #1 | 9 |
| sars-cov-2 phylogenetic tree | #1 | 9 |
| mpox clades | #4 | 9 |
| nextstrain sars-cov-2 | #1 | 9 |
| los alamos hiv | #3 | 9 |
| h5n1 tracker | #3 | 9 |
| measles virus image | #96 | 8 |
| blab | #66 | 7 |
| blab | #34 | 7 |
| rsv genome | #4 | 6 |
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.
Audience
- 83% desktop
- 17% phone
United States
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.25 / 10 · ranked #29,900 of all domains
939 referring domains · OpenPageRank
Search traffic
820 est. monthly organic visits (US)
408 keywords in Google's top 30
Core Web Vitals
| LCP | 2.5 s |
| INP | 250 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 2.7 MB · 92 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.nextstrain.org | 17 |
| discussion.nextstrain.org | 16 |
| clades.nextstrain.org | 14 |
| nextstrain.org | 14 |
Full technology history →
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Recent changes
- detected Next.js App Router Oct 2025
- detected Priority Hints Oct 2025
- dropped Cowboy Sep 2025
- dropped Erlang Sep 2025
- dropped Heroku Sep 2025