55
/ 100
D
Below Avg
Overall Domain Score
SEO 77 · LLM 36 · Perf 45
77
π SEO Score
10 / 13 checks passed
36
π€ LLM Readiness
4 / 11 checks passed
45
β‘ Performance
5 / 11 checks passed
π Extracted Page Tags
Title Tag
Welkom! | Nationale Opera & Ballet
Meta Description
Verzeker jezelf van kaarten voor je favoriete voorstellingen van het nieuwe seizoen. Een serie boek je al vanaf twee voorstellingen, nog vΓ³Γ³r de reguliere kaartverkoop start.
H1 Heading
Boek nu een serie
Canonical URL
https://www.operaballet.nl/
π SEO Audit
77/100β
Title Tag
Length: 34 chars (Ideal: 30-60).
β Meta Description
Length: 174 chars (Ideal: 50-160).
β
H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
β
Canonical URL
Canonical URL is set.
β
Open Graph Tags
Found 7 OG properties (4+ recommended).
β
Indexability
Page allows indexing.
β
Mobile Viewport
Viewport meta tag present.
β Image Alt Text
13 of 23 images missing alt.
β
Sitemap
Sitemap declared.
β
Heading Hierarchy
H1 and H2 structure detected.
β
Internal Links
Found 95 internal links.
β HSTS Security
Missing HSTS header.
β
HTTPS
Loads securely over HTTPS.
π€ LLMO
36/100β Structured Data (JSON-LD)
No JSON-LD found.
β Schema Entities
No schema entities.
β FAQ Schema
Missing FAQ schema.
β
Contextual Summary
Description provides good AI context.
β E-E-A-T (Author)
No author meta or schema.
β Organisation Schema
Missing Organization schema.
β Breadcrumb Schema
Missing BreadcrumbList.
β AI Crawler Access
robots.txt blocks AI crawlers.
β
Language Declaration
Language set to 'nl'.
β
Semantic Structure
Uses <main> or <article>.
β
Entity Verification Links
Social/publisher profiles linked.
β‘ Performance
45/100Network Waterfall (Total: 2940ms)
- DNS: 1510ms
- Connect: 1605ms
- TTFB: 2021ms
- Download: 919ms
β Time to First Byte (TTFB)
TTFB: 2021ms (Target: < 600ms).
β
HTML Payload Size
Raw HTML: 20.2KB (Target: < 150KB).
β
Text Compression
Compression enabled (gzip).
β Cache Policies
Missing Cache-Control headers.
β CDN Usage
No CDN headers found.
β
Secure Delivery (HTTPS)
Served securely.
β Modern Protocol
Using HTTP/1.1.
β
Native Lazy Loading
Images use loading='lazy'.
β Minified Assets
No minified assets linked.
β Preload / Preconnect Hints
Missing preload/preconnect hints.
β
Character Set
UTF-8 declared.
π‘οΈ Security & Blacklist
Cleanβ
Domain is clean.
β
Spamhaus DBLVerify β
Lookup inconclusive β use the Verify link to check manually.
β
SURBLVerify β
Not listed β no threats detected.
β
URIBLVerify β
Not listed β no threats detected.
β
Google Safe BrowsingVerify β
No unsafe content found per Google Safe Browsing.
βοΈ Technologies
CMS
Drupal
E-Commerce
Magento
Infrastructure & CDN
Nginx
π WHOIS
WHOIS unavailable.
π DNS Records
| Type | Value |
|---|---|
| A | 185.113.196.231 |
| MX | operaballet-nl.mail.protection.outlook.com |
| TXT | facebook-domain-verification=v4xbmsok685hmt0c9g571lptf7hpif |
| TXT | google-site-verification=MQ1UJ4HrWgIv8c2Q5nmvAM07ZQgQLSG-IudPPPFi6sI |
| TXT | openai-domain-verification=dv-CkrnqaIVCRoeDGCraWdzqe4c |
| TXT | v=spf1 mx ip4:93.46.203.194/28 include:spf.afas.online ip4:46.31.48.0/21 ip4:145.102.244.128/27 ip4:46.255.106.61 ip4:185.113.197.196 ip4:185.113.196.231 include:spf.protection.outlook.com include:spf.topdesk.net a:malengo.exception.mx ip4:62.13.128.0/24 ip4:62.13.129.128/25 ip4:62.13.136.0/22 ip4:62.13.140.0/22 ip4:62.13.144.0/22 ip4:62.13.148.0/23 ip4:62.13.150.0/23 ip4:62.13.152.0/23 ip4:82.201.60.150 ip4:81.24.63.0/27 ip4:185.89.7.135 include:_spf.salesforce.com ip4:95.215.184.0/21 ip6:2a00:51c0:101:1100::b9ce:e930 ip6:2a00:51c0:101:1100::b9ce:e92e ip6:2a00:51c0::5fd7:bd14 ip6:2a00:51c0::5fd7:b9a0 ip4:185.206.233.48 ip4:185.206.233.46 ip4:185.31.247.142 ip4:185.31.247.141 ip4:95.215.184.0 ip4:185.31.247.145 include:_spf.peppered.net ip4:178.22.63.140 ip6:2a00:1e28:3:4224::1/64 ip4:178.22.59.170 ip6:2a00:1e28:3:4259::1 ~all |
| TXT | apple-domain-verification=U7442e206GNwn38I |
| TXT | atlassian-domain-verification=RCST4lXcRPwGMIfJ4QaCMtMJx0aBaV86CcfDMj/cTTaFy2rDwMEjtKaIVlqAiDxB |
| TXT | bw=hTkZuPj2PnhTK6cqFXDL4IPYJhmKYOC1NRF4lOhkLOIh |
| TXT | docusign=12a284c5-bb94-4012-a2ad-1b2d4f80c46d |
| TXT | facebook-domain-verification=cimvd0xy06yihp8l8ta65c93zd7tul |
| NS | ns5.sentia.nl |
| NS | ns6.sentia.net |
| NS | ns7.sentia.net |
| NS | ns4.sentia.nl |
⭐ Community Rating
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