PencilKit
The Chrome extension that turns any webpage into your personal notepad. Annotate, highlight, and type directly on top of content with a calm, Apple-inspired experience.
71% unique tagline
sidiqprihatno.com
· Added April 4, 2026
· Last analysed April 10, 2026· via 
This analysis is a snapshot taken on 10 April 2026. The site may have changed since then and results may not reflect its current state.
Tech Stack (8)
Infrastructure
| Cloudflare DNS | DNS | ns_host |
| HSTS | Security | http_header_name |
| Vercel | Hosting | http_header_name script_src |
Email
| Cloudflare Email Routing | Business email | mx_host spf_include |
Build & Framework
| Next.js | Meta-framework | http_header_name link_href meta_name script_src |
| React | Framework | structural_signal |
| Tailwind CSS | CSS framework | structural_signal |
Analytics & Marketing
| Google Search Console | Seo | txt_prefix |
Infrastructure
Domain Age
20 days
Registered Mar 2026 · Cloudflare, Inc.
Readiness Breakdown How?
✓
Favicon present
✓
Open Graph tags (title, image, description)
✓
Canonical URL declared
✓
Responsive viewport meta tag
✓
Custom title and meta description
✓
Twitter card meta tags
✓
Semantic HTML (nav, main, article)
✓
Privacy policy page present
-
Source maps not exposed in production
-
Error tracking service installed
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| Conventional landing-page palette | +5 |
| Distinctive copy style | +5 |
| Distinctive iconography conventions | +3 |
| Conventional AI tooling combination | +10 |
This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.
Is this your site? 1 score tip + 2 optional suggestions
-
Improve your security headers. Scan your site at securityheaders.com to see what's missing.
Optional (doesn't affect score)
-
Add a
/.well-known/security.txt so security researchers can reach you. Learn more
-
Consider adding a
llms.txt file to help AI models understand your site. Not yet a standard, but gaining adoption. Learn more
Embed this score on your site
<a href="https://stackscope.dev/launch/27kixn9o/pencilkit"><img src="https://stackscope.dev/badge/27kixn9o.svg" alt="StackScope Score" height="28" /></a>