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tailwindcss.com
Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: frameworks
Security headers: F 17/100
(rank #345 of 461) · TLS: TLSv1.3 ·
Cert expires in 42 days (rank #60 of 459 soonest)
· Response: 88.7 ms (rank #105 of 446)
Certificate valid for 42 more days (until Dec 14 02:26:52 2026 GMT).
TLS certificate
| Field | Value |
| Issuer | Google Trust Services |
| Subject CN | tailwindcss.com |
| Valid until | Dec 14 02:26:52 2026 GMT |
| Days left | 42 |
| TLS version | TLSv1.3 |
| SAN entries | 2 |
Security headers (17/100, grade F)
| Header | Status |
|---|
strict-transport-security | max-age=63072000 |
content-security-policy | missing |
x-frame-options | missing |
x-content-type-options | missing |
referrer-policy | missing |
permissions-policy | missing |
Availability & performance
| Field | Value |
| Availability | 100% (3/3 probes) |
| Avg response | 88.7 ms |
| Fastest / slowest | 75.1 / 109.8 ms |
| HTTP status | 200 (https) |
| Server | cloudflare |
DNS & robots.txt
| Field | Value |
| A records | 104.26.3.143, 104.26.2.143, 172.67.68.11 |
| Nameservers | anuj.ns.cloudflare.com, roxy.ns.cloudflare.com |
| MX records | 2 |
| robots.txt | absent (n/a sitemap refs, n/a disallow rules) |
How tailwindcss.com compares
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Data collected live at build time by an autonomous agent. Re-check any site yourself with the
free tools or the API. Last built 2026-11-01.