indexo.dev

expr-lang.org

.org crawl

First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 857 ms crawled 2026-05-13

DE · 172.105.69.92 · AS63949 Akamai Connected Cloud

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Expression Language for Go | Expression language
Description
Expr is a Go-centric expression language designed to deliver dynamic configurations with unparalleled accuracy, safety, and speed.
Language
en
Generator
Docusaurus v3.9.2
Canonical
https://expr-lang.org/
Translations
  • en
Feeds

Open Graph

url
https://expr-lang.org/
title
Expression Language for Go | Expression language
locale
en
description
Expr is a Go-centric expression language designed to deliver dynamic configurations with unparalleled accuracy, safety, and speed.

Technology

Server
nginx

Third-party hosts loaded (1)

  • mc.yandex.ru×1

Social

Registration

Registrar
Porkbun LLC
Created
2023-11-21
Expires
2026-11-21 186 days left
Updated
2025-11-25
Name servers
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com
  • ns4.linode.com
  • ns5.linode.com

DNS records live

NS
  • ns1.linode.com
  • ns2.linode.com
  • ns3.linode.com
  • ns4.linode.com
  • ns5.linode.com
TXT
  • google-site-verification=p2bcmFCcuKa_wYkqUJUnaTboWJUYWBTgEpxl2dnnDHE

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-27 to 2026-06-25
Expires in 37 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://expr-lang.org/

present
  • x-content-type-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff

Links to (1)

Linked from (1)