What powers 
necsa.co.za?
Last seen Sep 2026 · 35 technologies across 18 categories
Analytics
CMS
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Page builders
Photo galleries
Programming languages
Security
UI frameworks
Web frameworks
Web servers
Widgets
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Restricted (was Blocked)
- Oct 2026 *: Blocked (was Restricted)
- Aug 2026 *: Restricted (was Blocked)
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 23% desktop
South Africa
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.00 / 10 · ranked #567,003 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 6.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 3700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (South Africa)
- Weight: 6.6 MB · 165 requests
- WordPress theme: consultio · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- South African Nuclear Energy Corporation
- Founded: 1970
- Sector: energy industry
- Country: South Africa
From Wikidata (CC0).
Infrastructure
- Hosted on xneelo (197.221.14.54)
- DNS: Vercara UltraDNS
- Email: Mimecast
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 813,568, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.necsa.co.za | 29 |
| signiflow.necsa.co.za | 7 |
| hress.necsa.co.za | 3 |
Full technology history →
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Recent changes
- dropped reCAPTCHA Sep 2026
- detected Fluent Forms Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025