Index · Cert expiry · Fastest sites · Free tools · API

jsfiddle.net

Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: dev

Security headers: C 67/100 (rank #127 of 461) · TLS: TLSv1.3 · Cert expires in 50 days (rank #97 of 459 soonest) · Response: 181.4 ms (rank #218 of 446)
Certificate valid for 50 more days (until Dec 21 19:30:39 2026 GMT).

TLS certificate

FieldValue
IssuerGoogle Trust Services
Subject CNjsfiddle.net
Valid untilDec 21 19:30:39 2026 GMT
Days left50
TLS versionTLSv1.3
SAN entries2

Security headers (67/100, grade C)

HeaderStatus
strict-transport-securitymax-age=63072000; includeSubDomains
x-frame-optionsALLOWALL
x-content-type-optionsnosniff
referrer-policystrict-origin-when-cross-origin
content-security-policymissing
permissions-policymissing

Availability & performance

FieldValue
Availability100% (3/3 probes)
Avg response181.4 ms
Fastest / slowest154.1 / 199.3 ms
HTTP status200 (https)
Servercloudflare

DNS & robots.txt

FieldValue
A records172.67.158.9, 104.21.49.15
Nameserversfelipe.ns.cloudflare.com, venus.ns.cloudflare.com
MX records2
robots.txtpresent (0 sitemap refs, 0 disallow rules)

How jsfiddle.net compares

SiteHeadersScoreCert days leftms
replit.comA1003840.8
codepen.ioA1003835.2
github.comB838766.8
stackoverflow.comB837155.0
bitbucket.orgC6752231.2
codeberg.orgC5038486.2
sourcegraph.comD3338148.0
gitea.comD3347202.6

Embed this badge

Show your grade in your README (free, auto-updates):

[![security](https://pseo.rovy.tech/api/v1/badge?url=https://jsfiddle.net)](https://pseo.rovy.tech/sites/jsfiddle-net.html)

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.