jump.dev

.dev crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 720 ms crawled 2026-05-18

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: JuMP | JuMP is a modeling language and supporting packages for mathematical optimization in Julia.
Description: JuMP is a modeling language and supporting packages for mathematical optimization in Julia.
Language: en-US
Generator: Jekyll v3.10.0
Canonical: https://jump.dev/

Open Graph

url: https://jump.dev/
title: JuMP
locale: en_US
site name: JuMP
description: JuMP is a modeling language and supporting packages for mathematical optimization in Julia.

Technology

CDN: Fastly
Server: GitHub.com

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

DNS records live

NS

dns1.registrar-servers.com
dns2.registrar-servers.com

Email authentication no MX

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

Certificate (current)

R12

from 2026-04-21 to 2026-07-20

Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://jump.dev/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy

Links to (14)

Linked from (4)