What powers 
engrxiv.org?
Last seen Aug 2026 · 7 technologies across 5 categories
JavaScript libraries
Miscellaneous
UI frameworks
Web servers
Webmail
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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| piezometric head | #4 | 50 |
| carillion plc | #9 | 44 |
| engrxiv | #1 | 27 |
| boolean networks | #6 | 4 |
| atr 72 twin-engine turboprop | #17 | 4 |
| internet 2.0 | #21 | 4 |
| jfk xrays | #8 | 3 |
| jfk xrays | #8 | 3 |
| tensor derivative | #10 | 2 |
| visualizing the fourth dimension | #8 | 2 |
| atr 72 twin engine turboprop | #53 | 2 |
| atr 72 twin engine turboprop | #19 | 2 |
| piezometric surface | #43 | 2 |
| fdtd | #46 | 2 |
| blast injury stages | #52 | 1 |
| blast injury phases | #34 | 1 |
| context-aware system | #16 | 1 |
| context aware system | #16 | 1 |
| construction laydown area | #20 | 1 |
| tresca vs von mises | #14 | 1 |
| tresca von mises | #30 | 1 |
| tresca and von mises criteria | #56 | 1 |
| tresca and von mises | #17 | 1 |
| tt&c | #18 | 1 |
| tsfc | #26 | 1 |
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
- 73% desktop
- 27% phone
United States
India
United Kingdom
Philippines
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.68 / 10 · ranked #138,426 of all domains
229 referring domains · OpenPageRank
Search traffic
190 est. monthly organic visits (US)
332 keywords in Google's top 30
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 0.4 MB · 23 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- engrXiv
- Founded: 2016
From Wikidata (CC0).
Infrastructure
- Hosted on GOSSAMERTHREADS (204.187.13.48)
- DNS: Namecheap
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 28,886, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Apache HTTP Server Jul 2026
- detected Nginx Jun 2026