🌐
stackoverflow.co.uk 200
🔒 SSL Valid
✨ About this site
A lesser-known site registered in 2008.
📊 What the data says
This eighteen-year-old domain is currently active with a valid SSL certificate until March 2027. It maintains a solid mobile performance score of 86.
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
in 135d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 172d
Hosting The company and location where this website's server is physically located.Read more →
Unknown
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
0/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
76.223.67.189
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
86
mob
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 86
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Mobile
Score
Accessibility
Best Practices
SEO
LCP
3.11s
CLS
0.119
FCP
1.50s
TTFB
0.00s
TBT
216ms
SI
2.07s
Checked: 2026-09-05 22:28:45.386902 · View on PageSpeed
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected
Screenshot
2026-09-01
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Captured: 2026-09-01 06:22:10 · 0.5 KB
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 13.248.213.4576.223.67.189 |
| NS | ns35.domaincontrol.comns36.domaincontrol.com |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | 123-Reg Limited t/a 123-reg |
| Registered | 2008-04-07 |
| Expires | 2027-04-07 (in 172 days) |
| Last Updated | 2026-04-08 |
| Status | active |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | stackoverflow.co.uk |
| Issuer | GoDaddy.com |
| Valid From | 2026-08-15 |
| Valid Until | 2027-03-01 (135 days left) |
| SANs (1) | stackoverflow.co.uk |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | N/A |
| Content-Type | text/html |
| Final URL | https://stackoverflow.co.uk/ |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 76.223.67.189 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
F (1/7)
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Sitemap & Robots
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Open to search engines
This site's robots.txt lets crawlers access its main content. Search engines can index it normally.
No paths are disallowed — everything is crawlable.
| Sitemap | Not found |
Social & Meta Tags
Missing
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Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | Not set |
| DMARC | Not set |
Other TLDs Other top-level domain variants of this domain name and their availability. 11 active 4 for sale 8 available
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 100ms |
| Last Checked | 2026-10-16 07:01:14.106469 |
| Uptime (30d) | 100% |
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