indexo.dev

writewithharper.com

.com crawl

First seen 2026-04-12 · Last seen 2026-05-07 · ok HTTP/1.1 200 698 ms crawled 2026-05-04

US · 192.0.66.196 · AS2635 Automattic, Inc

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Harper | Privacy-First Offline Grammar Checker for Developers & Writers
Description
Harper is a blazing-fast, open-source grammar & spell checker that runs entirely on your device, covering US, UK, Canadian & Australian English—no data ever leaves your machine. Harper is the only grammar checker that doesn't use AI.
Language
en
Canonical
https://writewithharper.com/

Open Graph

url
https://writewithharper.com
title
Harper: Free, Open Source Grammar Checker
locale
en_US
site name
Harper
description
Harper checks your writing fast, without compromising your privacy.

Technology

Server
nginx
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×3
  • fonts.gstatic.com×1

Social

Registration

Registrar
MarkMonitor Inc.
Created
2024-03-03
Expires
2027-03-03 287 days left
Updated
2024-12-04
Name servers
  • ns1.automattic.com
  • ns2.automattic.com
  • ns3.automattic.com

DNS records live

NS
  • ns1.automattic.com
  • ns2.automattic.com
  • ns3.automattic.com
  • ns4.automattic.com
TXT
  • v=spf1 -all
  • google-site-verification=WP2qQQdSs70Hm9MG0NvD3jGn-K6du69Dvt8HqwPPN8Q

Certificate (current)

E8
from 2026-03-06 to 2026-06-04
Expires in 16 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://writewithharper.com/

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

Links to (12)

Linked from (2)