What powers 
sigspatial.org?
Last seen Sep 2026 · 23 technologies across 14 categories
Advertising
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
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 robots.txt appeared
- Oct 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 89% desktop
- 11% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.75 / 10 · ranked #276,106 of all domains
110 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 4.8 MB · 16 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- SIGSPATIAL
From Wikidata (CC0).
Infrastructure
- Registered Apr 2008 (18 years) via Network Solutions, LLC, renews Apr 2028
- Hosted on A2 Hosting (190.92.158.4)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 116,328, 16 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sigspatial.org | 21 |
| sigspatial2022.sigspatial.org | 5 |
| sigspatial2023.sigspatial.org | 3 |
| sigspatial2024.sigspatial.org | 3 |
| sigspatial2025.sigspatial.org | 3 |
| sigspatial2026.sigspatial.org | 3 |
| sigspatial2018.sigspatial.org | 1 |
| sigspatial2020.sigspatial.org | 1 |
| sigspatial2021.sigspatial.org | 1 |
Full technology history →
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Recent changes
- dropped Nginx Sep 2026
- dropped OpenResty Sep 2026
- dropped cdnjs Aug 2026
- dropped Cloudflare Aug 2026
- dropped Font Awesome Aug 2026
- dropped Google Font API Aug 2026
- dropped Google Hosted Libraries Aug 2026
- dropped Modernizr Aug 2026
- dropped ZURB Foundation Aug 2026
- detected Nginx Jul 2026
- detected OpenResty Jul 2026