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medium.dev 200
🔒 SSL Valid
✨ About this site
This lesser-known site is a Cloudflare-protected service that requires authentication.
📊 What the data says
This seven-year-old site is hosted on Cloudflare and features active HSTS, CSP, and X-Frame-Options security headers. It maintains a valid SSL certificate through November 2026, with performance scores of 59 on mobile and 81 on desktop.
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 40d
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
in 122d
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 →
3/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
104.18.40.212
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
59
mob
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability. 59
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Mobile
Score
Accessibility
Best Practices
SEO
LCP
7.69s
CLS
0.049
FCP
7.04s
TTFB
0.00s
TBT
0ms
SI
7.04s
Desktop
Score
Accessibility
Best Practices
SEO
LCP
2.21s
CLS
0.030
FCP
1.60s
TTFB
0.00s
TBT
0ms
SI
1.74s
Checked: 2026-09-05 19:18:50.478175 · View on PageSpeed
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools. 1
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🌐 CDN
Cloudflare
Screenshot
Processing...
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⏳
Screenshot is being captured...
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) | 172.64.147.44104.18.40.212 |
| AAAA (IPv6) | 2a06:98c1:3102::6812:28d42606:4700:4406::ac40:932c |
| NS | alina.ns.cloudflare.comkip.ns.cloudflare.com |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | Lexsynergy Limited |
| Registered | 2019-02-18 |
| Expires | 2027-02-18 (in 122 days) |
| Last Updated | 2026-02-18 |
| Status | client delete prohibitedclient transfer prohibitedclient update prohibited |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Valid
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| Subject (CN) | medium.dev |
| Issuer | Google Trust Services |
| Valid From | 2026-08-29 |
| Valid Until | 2026-11-28 (40 days left) |
| SANs (2) | medium.dev*.medium.dev |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | cloudflare |
| Content-Type | text/html |
| Final URL | https://medium.cloudflareaccess.com/cdn-cgi/access/login/medium.dev?kid=bd4cff9b4414ec635aa2e9880266f85c3b5448871b40018ca1e18232a4ea8086&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjUxZTEzOTc5YWYwNzhkZDcxMzI1NTVmZWMwMGM4YWFkMWY2Mjk1MGI5OGVlOWZhY2I3MTE4NjBlMmNjZjk4MGQifQ.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.Sj6HO_7LEXk5TJQUS-jfuQ-i3IQdTDOA8r2PvCsel7KJmHfTq_cFy8EPAzrIpzc4Gzoo6bF7q_IlRY0LwXDwsN-3Dv21R__LWGf5Li-lh2doqoaX8o4po4jF01P5Tu_IT7gXYrma3T-AU4Kof3A3E7rjhHNZWR5PNNOUcmhM5eKdJr3tgzLDDd1JVJkdVGvUAqNmxNas6zh1rlQWuPw7eEnkAlcPT0wCjYweqFg5wICbImIL7kmApP2xaNaQLcTjbxDbEZhQilioQuqXjHvrokwiHEaOPcla2KtttTQFS6nkJ7-rvouX7Ht_QD4WNs8-HGevQzj-QfUuKapapHrfzw&redirect_url=%2F |
| strict-transport-security | max-age=31536000; includeSubDomains |
| content-security-policy | frame-ancestors 'none'; connect-src 'self' http://127.0.0.1:*; default-src https: 'unsafe-inline' |
| x-frame-options | DENY |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
| cf-ray | a4ca6761980717b8-IAD |
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 | 104.18.40.212 |
| Provider | Unknown |
| Organization | N/A |
| ASN | N/A |
| Location | N/A |
Security Score
A (6/7)
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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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| Title | Sign in ・ Cloudflare Access |
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. 2 active 21 for sale
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Uptime Monitor
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| Current Status | 🟢 Online |
| HTTP Status | 200 |
| Response Time | 362ms |
| Last Checked | 2026-10-16 00:15:31.114513 |
| Uptime (30d) | 100% |
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