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Domain report

highlightkit.com

highlightkit.com ranks in the top 0.23% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 1 distinct host observed under it.

Explore highlightkit.com in the Web Graph

Connectivity

#300,271harmonic-centrality rank
Top percentile
0.23%
Hosts observed
1

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://highlightkit.com/ answered with HTTP 200.

DNS records

A
  • 104.21.26.75
  • 172.67.135.158
AAAA
  • 2606:4700:3035::ac43:879e
  • 2606:4700:3032::6815:1a4b
MX
  • 10 eforward1.registrar-servers.com.
  • 10 eforward2.registrar-servers.com.
  • 10 eforward3.registrar-servers.com.
  • 15 eforward4.registrar-servers.com.
  • 20 eforward5.registrar-servers.com.
NS
  • mimi.ns.cloudflare.com.
  • trace.ns.cloudflare.com.

Live preview

Screenshot of highlightkit.com

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since highlightkit.com can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
Not sent
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://highlightkit.com/HTTP 200

Meta tags

Title
HighlightKit — Minimal AI Highlighter for Web & PDF
Description
Minimal AI highlighter for the web. Highlight and annotate web pages and PDFs with AI-powered summaries, tags, collections, and reader mode. Privacy-first — all data stored locally.
Canonical
https://highlightkit.com
Robots
index, follow, max-snippet:-1, max-video-preview:-1, max-image-preview:large
Generator
WordPress 6.9.4
Open Graph title
HighlightKit — Minimal AI Highlighter for Web & PDF
Open Graph description
Minimal AI highlighter for the web. Highlight and annotate web pages and PDFs with AI-powered summaries, tags, collections, and reader mode. Privacy-first — all data stored locally.
Open Graph image
https://highlightkit.com/wp-content/uploads/2026/04/highlightkit-1200x630-1.webp
Open Graph type
website
Twitter card
summary_large_image
Twitter title
HighlightKit — Minimal AI Highlighter for Web & PDF
Twitter image
https://highlightkit.com/wp-content/uploads/2026/04/highlightkit-1200x630-1.webp

robots.txt

Disallow rules (User-agent: *)
4
Disallow rules (other agents)
0

Sitemap declared:

  • https://highlightkit.com/sitemap_index.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    <meta name="generator"> = "WordPress 6.9.4"

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.