hdg.de

Scanned URL: https://hdg.de

📅 Scan completed: April 13, 2026 at 1:37 AM

55
/ 100
D
Below Avg
Overall Domain Score
SEO 62 · LLM 45 · Perf 55
62

πŸ” SEO Score

8 / 13 checks passed

45

πŸ€– LLM Readiness

5 / 11 checks passed

55

⚑ Performance

6 / 11 checks passed

πŸ“ Extracted Page Tags
Title Tag
Startseite - hdg.de
Meta Description
Die Stiftung vermittelt deutsche Zeitgeschichte nach 1945 in vier Museen in Bonn, Berlin und Leipzig sowie im Internet. Eintritt und Angebote sind kostenfrei.
H1 Heading
Stiftung Haus der Geschichte
Canonical URL
https://www.hdg.de/
πŸ” SEO Audit
62/100
❌ Title Tag
Length: 19 chars (Ideal: 30-60).
βœ… Meta Description
Length: 158 chars (Ideal: 50-160).
βœ… H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
βœ… Canonical URL
Canonical URL is set.
❌ Open Graph Tags
Found 0 OG properties (4+ recommended).
βœ… Indexability
Page allows indexing.
βœ… Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
1 of 18 images missing alt.
βœ… Sitemap
Sitemap declared.
❌ Heading Hierarchy
Missing H1 or H2 tags.
βœ… Internal Links
Found 53 internal links.
❌ HSTS Security
Missing HSTS header.
βœ… HTTPS
Loads securely over HTTPS.
πŸ€– LLMO
45/100
❌ Structured Data (JSON-LD)
No JSON-LD found.
❌ Schema Entities
No schema entities.
❌ FAQ Schema
Missing FAQ schema.
βœ… Contextual Summary
Description provides good AI context.
❌ E-E-A-T (Author)
No author meta or schema.
❌ Organisation Schema
Missing Organization schema.
❌ Breadcrumb Schema
Missing BreadcrumbList.
βœ… AI Crawler Access
AI agents not blocked.
βœ… Language Declaration
Language set to 'de-DE'.
βœ… Semantic Structure
Uses <main> or <article>.
βœ… Entity Verification Links
Social/publisher profiles linked.
⚑ Performance
55/100
Network Waterfall (Total: 1586ms)
  • DNS: 510ms
  • Connect: 609ms
  • TTFB: 937ms
  • Download: 649ms
❌ Time to First Byte (TTFB)
TTFB: 937ms (Target: < 600ms).
βœ… HTML Payload Size
Raw HTML: 10.9KB (Target: < 150KB).
βœ… Text Compression
Compression enabled (gzip).
βœ… Cache Policies
Cache-Control headers set.
❌ CDN Usage
No CDN headers found.
βœ… Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
❌ Native Lazy Loading
No lazy loading detected.
βœ… Minified Assets
Minified .js/.css referenced.
❌ Preload / Preconnect Hints
Missing preload/preconnect hints.
βœ… Character Set
UTF-8 declared.
πŸ›‘οΈ Security & Blacklist
Clean
βœ… Domain is clean.
βœ… Spamhaus DBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… SURBLVerify β†—
Not listed β€” no threats detected.
βœ… URIBLVerify β†—
Lookup inconclusive β€” use the Verify link to check manually.
βœ… Google Safe BrowsingVerify β†—
No unsafe content found per Google Safe Browsing.
βš™οΈ Technologies
E-Commerce
Magento
JavaScript
jQuery
πŸ“‹ WHOIS

WHOIS unavailable.

πŸ”— DNS Records
TypeValue
A49.13.103.233
MXhdg.in.tmes.trendmicro.eu
TXTMS=ms63613841
TXTv=spf1 ip4:178.15.34.162 ip4:46.4.52.185 ip4:81.169.231.219 ip6:2a01:4f8:140:1252::2 include:_spf.rexx-suite.com include:spf.mailjet.com include:_spf.google.com include:spf.tmes.trendmicro.eu include:_spf.zimpel.de ~all
TXTtmes=799ac98b247c876906feb0ddd745e04b
TXTapple-domain-verification=zAgTagu4a5ud7HEM
TXTgoogle-site-verification=nI8VP11tUO2fPvDzScl9UW8e-5etrSxPEUiaBkXU59U
NSsecondary004.dtag.net
NSns.hdg.de
NSpns.dtag.de

Recent Domain Checks

Latest A11y Audits

Latest Page Audits

  • Π˜Π½Ρ‚Π΅Ρ€Π½Π΅Ρ‚ ΠΌΠ°Π³Π°Π·ΠΈΠ½ Specdobavki.com – Ρ‚ΠΎΠ²Π°Ρ€Ρ‹ для красоты ΠΈ Π·Π΄ΠΎΡ€ΠΎΠ²ΡŒΡGrade: F | Score: 55/100 | Scanned on March 31, 2026
    View Report →
  • Accessibility at Citi | Citi.comGrade: F | Score: 40/100 | Scanned on March 21, 2026
    View Report →
  • G HUB Gaming Software| Logitech GGrade: B | Score: 70/100 | Scanned on March 5, 2026
    View Report →
  • Logi Options+ Software | LogitechGrade: B | Score: 70/100 | Scanned on March 4, 2026
    View Report →
  • Download Logitech Options Customization SoftwareGrade: A | Score: 80/100 | Scanned on March 4, 2026
    View Report →