survivejs.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 320 ms crawled 2026-05-08

US · 172.66.41.31 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title

SurviveJS

Description

Get started with JavaScript and related technologies

Language

Canonical

https://survivejs.com

Feeds

SurviveJS blog posts Atom

Open Graph

url: https://survivejs.com
title: SurviveJS
site name: SurviveJS
description: Get started with JavaScript and related technologies

Technology

CDN: Cloudflare

Analytics

Cloudflare Insights

Third-party hosts loaded (2)

cdn.jsdelivr.net×4
static.cloudflareinsights.com×2

Social

Registration

Registrar

Cloudflare, Inc.

Created

2013-04-04

Expires

2027-04-04 320 days left

Updated

2026-03-05

Name servers

sara.ns.cloudflare.com
walt.ns.cloudflare.com

DNS records live

NS

sara.ns.cloudflare.com
walt.ns.cloudflare.com

MX

10 in1-smtp.messagingengine.com
20 in2-smtp.messagingengine.com

Email authentication partial

SPF: v=spf1 include:spf.messagingengine.com -all
strict (-all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-20 to 2026-07-19

Expires in 62 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://survivejs.com/

present

x-content-type-options
referrer-policy

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff