What powers 
centre-mersenne.org?
Last seen Sep 2026 · 32 technologies across 17 categories
CDN
CMS
Databases
DMS
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Page builders
Performance
Programming languages
UI frameworks
Web frameworks
Web servers
WordPress plugins
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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 |
|---|---|---|
| crossref | #5 | 170 |
| issn | #7 | 74 |
| ojs | #33 | 47 |
| what is issn | #6 | 30 |
| ojs meaning | #6 | 24 |
| indexing in scopus | #4 | 17 |
| crossref doi | #5 | 15 |
| what is digital object identifier | #30 | 11 |
| what is the issn of a journal | #3 | 11 |
| what is issn for journals | #3 | 11 |
| pubmed journal index | #7 | 7 |
| international standard serial number | #20 | 7 |
| issn for journal | #4 | 6 |
| indexing in pubmed | #4 | 6 |
| what is crossref | #4 | 5 |
| mersenne | #11 | 4 |
| what does issn stand for | #8 | 3 |
| issn meaning in journal | #3 | 3 |
| ethics press predatory | #3 | 3 |
| crossref website | #4 | 3 |
| sherpa romeo | #9 | 2 |
| direct object identifier | #4 | 2 |
| web of science journal impact factor | #38 | 1 |
| web of science index | #8 | 1 |
| web science index | #7 | 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
- 53% desktop
- 47% phone
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.61 / 10 · ranked #68,476 of all domains
338 referring domains · OpenPageRank
Search traffic
480 est. monthly organic visits (US)
108 keywords in Google's top 30
Core Web Vitals
| LCP | 4.7 s |
| CLS | 0 |
| TTFB | 2500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: French
- Weight: 1.5 MB · 37 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Centre Mersenne
- Founded: 2018
From Wikidata (CC0).
Infrastructure
- Registered Oct 2017 (8 years) via Nameshield SAS, renews Oct 2026
- DNS: u-ga.fr
- Email: u-ga.fr
- Email security: no SPF record, no DMARC record
- SSL: HARICA, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 46,415, 34 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.centre-mersenne.org | 17 |
| jep.centre-mersenne.org | 14 |
| afst.centre-mersenne.org | 13 |
| aif.centre-mersenne.org | 12 |
| alco.centre-mersenne.org | 12 |
| ambp.centre-mersenne.org | 12 |
| igt.centre-mersenne.org | 12 |
| jolt.centre-mersenne.org | 12 |
| jtnb.centre-mersenne.org | 12 |
| ojmo.centre-mersenne.org | 12 |
| pmihes.centre-mersenne.org | 12 |
| proceedings.centre-mersenne.org | 12 |
| smai-jcm.centre-mersenne.org | 12 |
| ahl.centre-mersenne.org | 10 |
| art.centre-mersenne.org | 10 |
| opengeomechanics.centre-mersenne.org | 10 |
| annales-ens.centre-mersenne.org | 9 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026