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emberjs.com
Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: frameworks
Security headers: F 17/100
(rank #347 of 461) · TLS: TLSv1.3 ·
Cert expires in 82 days (rank #253 of 459 soonest)
· Response: 115.5 ms (rank #151 of 446)
Certificate valid for 82 more days (until Jan 22 18:43:47 2027 GMT).
TLS certificate
| Field | Value |
| Issuer | Let's Encrypt |
| Subject CN | emberjs.com |
| Valid until | Jan 22 18:43:47 2027 GMT |
| Days left | 82 |
| TLS version | TLSv1.3 |
| SAN entries | 2 |
Security headers (17/100, grade F)
| Header | Status |
|---|
strict-transport-security | max-age=31536000 |
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 | 115.5 ms |
| Fastest / slowest | 53.0 / 227.2 ms |
| HTTP status | 200 (https) |
| Server | Netlify |
DNS & robots.txt
| Field | Value |
| A records | 3.33.186.135, 15.197.167.90 |
| Nameservers | ns1.dnsimple-edge.com, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org |
| MX records | 7 |
| robots.txt | present (0 sitemap refs, 1 disallow rules) |
How emberjs.com compares
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free tools or the API. Last built 2026-11-01.