What powers physicsopenlab.org?
Last seen Oct 2026 · 15 technologies across 10 categories
CMS
Databases
MySQL
since Jan 2019
Font scripts
Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Lightbox
since Jan 2019
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
PaaS
SiteGround
since Feb 2021
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jan 2019
Web servers
Nginx
since Jan 2019
WordPress plugins
Contact Form 7
since Feb 2022
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 56% desktop
- 39% phone
- 4% tablet
Italy
United Kingdom
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.88 / 10 · ranked #666,025 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 2.8 MB · 88 requests
- WordPress theme: sahifa · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google (35.214.244.138)
- DNS: SiteGround Email
- Email: SiteGround Email
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 509,692, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Contact Form 7 Oct 2026
- detected Google Font API Oct 2026
- detected jQuery Oct 2026
- detected jQuery Migrate Oct 2026
- detected Lightbox Oct 2026
- detected Modernizr Oct 2026
- detected MySQL Oct 2026
- detected Open Graph Oct 2026
- detected PHP Oct 2026
- detected Priority Hints Oct 2026
- detected RSS Oct 2026
- detected Twitter Emoji (Twemoji) Oct 2026
- detected WordPress Oct 2026
- dropped Contact Form 7 Sep 2026
- dropped Google Font API Sep 2026
- dropped jQuery Sep 2026
- dropped jQuery Migrate Sep 2026
- dropped Lightbox Sep 2026
- dropped Modernizr Sep 2026
- dropped MySQL Sep 2026
- dropped Open Graph Sep 2026
- dropped PHP Sep 2026
- dropped Priority Hints Sep 2026
- dropped RSS Sep 2026
- dropped Twitter Emoji (Twemoji) Sep 2026
- dropped WordPress Sep 2026
- detected Twitter Emoji (Twemoji) Dec 2025