What powers prepr.org?
Last seen Sep 2026 · 35 technologies across 21 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Customer data platform
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Webmail
Widgets
WordPress plugins
WordPress themes
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
- Oct 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 86% desktop
- 14% phone
India
Canada
United States
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.42 / 10 · ranked #2,639,715 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 2900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Google
- Weight: 1.6 MB · 58 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Prepr
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Google Cloud (34.111.179.208)
- DNS: mediatemple.net
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 7,116,333, 2 hosts
- Verified with: Apple Business, Google, Meta Business, Microsoft 365, Replit
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Sendgrid May 2026
- detected Apple iCloud Mail Apr 2026
- detected Twitter Emoji (Twemoji) Feb 2026