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sempdf.com
· Added April 7, 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 (12)
| Technology | Category | Detected via |
|---|---|---|
| Google Analytics | analytics | cookie_name link_href script_src |
| Auth.js | auth | cookie_name |
| Tailwind CSS | css_framework | structural_signal |
| Parked Domain | dns_provider | ns_host |
| Amazon SES | email_corp | mx_host |
| Resend | email_transactional | dkim_selector |
| React | framework | structural_signal |
| Vercel | hosting | http_header_name |
| Next.js | meta_framework | http_header_name meta_name script_src |
| HSTS | security | http_header_name |
| Google Search Console | seo | txt_prefix |
| Google Tag Manager | tag_management | link_href |
Infrastructure
Hosting
AMAZON-02 - Amazon.com, Inc., US
AS16509 · US
SSL Certificate
Let's Encrypt
Expires 3 Jul 2026
Domain Age
1 month
Registered Mar 2026 · HOSTINGER operations, UAB
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 |
|---|---|
| CSS patterns | +10 |
| Visual design patterns | +5 |
| Writing style patterns | +5 |
| Stack combination patterns | +10 |
| Social proof patterns | +5 |
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? 2 tips to improve your 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/9494xhe8/sempdf"><img src="https://stackscope.dev/badge/9494xhe8.svg" alt="StackScope Score" height="28" /></a>