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SGSiteGraph

innerheight.com

Welkom - Underdark

Last scanned Aug 4, 2026, 12:00 AM · 8 views

89

Overall score

Great

Summary

Underdark deinst niet terug voor uitdagingen. This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

Underdark deinst niet terug voor uitdagingen. Wij gaan verder. Verder waar anderen zeggen dat het onmogelijk is, dat er geen opties meer zijn. Verder dan 'State of the art'..

Top issues to fix

6 issues found

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 1 broken link on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

70

SEO

5 issue(s) found

90

Performance

1.64 s

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall
89
SEO
70
Security
100
Performance
90
Accessibility
100

Organization

Company details published in this site's own structured data.

Underdark deinst niet terug voor uitdagingen. Wij gaan verder. Verder waar anderen zeggen dat het onmogelijk is, dat er geen opties meer zijn. Verder dan 'State of the art'..

Meta tags

Title
Welkom - Underdark
Description
Underdark deinst niet terug voor uitdagingen. Wij gaan verder. Verder waar anderen zeggen dat het onmogelijk is, dat er geen opties meer zijn. Verder dan 'State of the art'..
Canonical
Language
nl
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest
https://underdark.nl/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
Welkom - Underdark
og:description
Underdark deinst niet terug voor uitdagingen. Wij gaan verder. Verder waar anderen zeggen dat het onmogelijk is, dat er geen opties meer zijn. Verder dan 'State of the art'..
og:type
website
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
underdark.nl
Valid from
Jul 28, 2026
Valid to
Oct 26, 2026
Days until expiry
83
SAN domains
underdark.nl

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

5 internal · 7 external · 1 broken

Images

0 total · 0 missing alt

Scripts / Styles

4 scripts · 3 stylesheets

JS / CSS size

413 B · 0 B

Page size

5.5 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Meta description longer than 160 characters
  • Missing canonical link
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://innerheight.com
Final URL
https://underdark.nl
HTTP status
200
HTTP version
HTTP/2
Response time
1.64 s
HTML size
5.5 KB
Redirect chain
https://innerheight.com → https://underdark.nl

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Frequently asked questions

What technology does innerheight.com use?
innerheight.com is built with Nginx.
Is innerheight.com secure (HTTPS)?
Yes. innerheight.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 26, 2026.
Who hosts innerheight.com?
Hosting provider information for innerheight.com is not available yet.
What is innerheight.com's SEO score?
innerheight.com scored 70/100 for SEO in the latest analysis (fair).
What is innerheight.com's overall website score?
innerheight.com has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
Has innerheight.com's score changed over time?
innerheight.com's overall score has stayed steady at 89/100 since Jul 26, 2026.