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SGSiteGraph

anton.app

ANTON - the free learning app for school

Last scanned Jul 26, 2026, 5:18 AM · 1 view

91

Overall score

Excellent

Summary

ANTON - the free learning app for school. This website uses Express hosted on LINK11 - Link11 GmbH, DE. SEO is good (75/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing canonical link.

ANTON - the free learning app for school

Germany
Hosted on LINK11 - Link11 GmbH, DE

Top issues to fix

3 issues found · 1 high priority

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • 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.

75

SEO

3 issue(s) found

100

Performance

384 ms

100

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

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

ANTON - the free learning app for school

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
ANTON - the free learning app for school
Description
ANTON - the free learning app for school
Canonical
Language
en
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
ANTON - the free learning app for school
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
LINK11 - Link11 GmbH, DE
CDN provider
IP address
128.65.209.25
ASN
AS34309 (LINK11 - Link11 GmbH, DE)

DNS records

TypeValue
A
  • 128.65.209.25
AAAA
MX
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • aspmx2.googlemail.com
  • aspmx3.googlemail.com
TXT
  • pinterest-site-verification=0c29f717afa26d20452f57dfd28ac3be
  • v=spf1 include:_spf.google.com include:spf6156.smtpeter.com -all
  • google-site-verification=1mGdXOQlczMP6d9d36MBuXJdGekaYR3CYEdihld-Bm4
NS
  • helium.ns.hetzner.de
  • oxygen.ns.hetzner.com
  • hydrogen.ns.hetzner.com
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Sectigo Limited
Subject
*.anton.app
Valid from
Jan 20, 2026
Valid to
Feb 10, 2027
Days until expiry
197
SAN domains
*.anton.app, anton.app

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

2 scripts · 0 stylesheets

JS / CSS size

125 KB · 1.5 KB

Page size

126 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Found
URLs in sitemap
67

SEO issues

  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found

Accessibility issues

  • No H1 heading found

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL
https://anton.app
Final URL
https://anton.app
HTTP status
200
HTTP version
HTTP/1.1
Response time
382 ms
HTML size
126 KB
Redirect chain
https://anton.app

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Frequently asked questions

What technology does anton.app use?
anton.app is built with Express, Node.js, Nginx.
Is anton.app secure (HTTPS)?
Yes. anton.app uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Feb 10, 2027.
Who hosts anton.app?
anton.app is hosted on LINK11 - Link11 GmbH, DE.
What is anton.app's SEO score?
anton.app scored 75/100 for SEO in the latest analysis (fair).
What is anton.app's overall website score?
anton.app has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Is anton.app hiring?
anton.app has a careers page; check it directly for current openings.