Domain report
phpsimplex.com
phpsimplex.com ranks in the top 0.58% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.
Connectivity
- Top percentile
- 0.58%
- Hosts observed
- 1
From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means
HTTPS reachability
https://phpsimplex.com/ answered with HTTP 200.
DNS records
- A
- 82.165.14.9
- AAAA
- No records found.
- MX
- 10 mx01.ionos.es.
- 10 mx00.ionos.es.
- NS
- ns1045.ui-dns.de.
- ns1045.ui-dns.biz.
- ns1045.ui-dns.org.
- ns1045.ui-dns.com.
Live preview
This is a live, sandboxed embed of phpsimplex.com — not a copy. What it shows can change any time the site itself does.
Domain registration (WHOIS / RDAP)
RDAP lookup failed (HTTP 429).
SSL certificate
Certificate Transparency lookup failed (HTTP 429).
HTTP & security headers
Response
- Server
- cloudflare
- Content-Type
- text/html; charset=UTF-8
- Cache-Control
- Not sent
- Content-Encoding
- Not sent
Security
- Content-Security-Policy
- Not sent
- Strict-Transport-Security
- Not sent
- X-Frame-Options
- Not sent
- X-Content-Type-Options
- Not sent
- Referrer-Policy
- Not sent
- Permissions-Policy
- Not sent
Redirect chain
- 1.
http://phpsimplex.com/HTTP 301→ https://phpsimplex.com/
- 2.
https://phpsimplex.com/HTTP 301→ https://www.phpsimplex.com/
- 3.
https://www.phpsimplex.com/HTTP 200
Meta tags
- Title
- PHPSimplex
- Description
- PHPSimplex: Herramienta online para resolver problemas de programación lineal mediante el método Simplex, el método de las Dos Fases, y el método Gráfico.
- Canonical
- Not set
- Robots
- index,follow
- Generator
- Not set
- Open Graph title
- Not set
- Open Graph description
- Not set
- Open Graph image
- Not set
- Open Graph type
- Not set
- Twitter card
- Not set
- Twitter title
- Not set
- Twitter image
- Not set
robots.txt
- Disallow rules (User-agent: *)
- 0
- Disallow rules (other agents)
- 0
Sitemap declared:
http://www.phpsimplex.com/sitemap.xml
Technology detected
Best-effort, based on a small set of well-known signals — this may be incomplete.
- Cloudflarecdn
Server: cloudflare
- Google Analyticsanalytics
Found "www.google-analytics.com" in the page's HTML
Related domains
Similar connectivity
Domains ranked just above and below it in the same snapshot.