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mbohlen.de

Matthias Bohlen (iSAQB Accredited Trainer)

Last scanned Aug 24, 2026, 1:14 PM

94

Overall score

Excellent

Summary

Training und Beratung für Software-Engineering. This website uses Express hosted on IONOS-AS - IONOS SE, DE. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.

Training und Beratung für Software-Engineering

Germany
Hosted on IONOS-AS - IONOS SE, DE

Top issues to fix

3 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

95

SEO

1 issue(s) found

100

Performance

288 ms

80

Security

HTTPS & header checks

100

Accessibility

0 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.

Training und Beratung für Software-Engineering

Contact

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

Meta tags

Title
Matthias Bohlen (iSAQB Accredited Trainer)
Description
Training und Beratung für Software-Engineering
Canonical
https://mbohlen.de/
Language
de
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Matthias Bohlen
og:description
Training und Beratung für Software-Engineering
og:type
website
og:url
https://mbohlen.de/

Twitter Card

twitter:card
summary
twitter:title
Matthias Bohlen
twitter:description
Training und Beratung für Software-Engineering

Technologies

Detected frameworks, languages, and tools.

ExpressNode.jsPlausible Analytics

Hosting & CDN

Hosting provider
IONOS-AS - IONOS SE, DE
CDN provider
—
IP address
217.154.100.197
ASN
AS8560 (IONOS-AS - IONOS SE, DE)

DNS records

TypeValue
A
  • 217.154.100.197
AAAA
  • 2003:ea:e720:4d09:be24:11ff:fe5e:f7a8
MX
  • mta-gw.infomaniak.ch
TXT
  • v=spf1 include:spf.infomaniak.ch -all
NS
  • ns5.he.net
  • ns1.mbohlen.de
  • ns1.he.net
  • ns4.he.net
  • ns3.he.net
  • ns2.he.net
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
mbohlen.de
Valid from
Aug 15, 2026
Valid to
Nov 13, 2026
Days until expiry
80
SAN domains
mbohlen.de

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 15 · H2 3 · H3 5

Links

37 internal · 3 external · 0 broken

Images

10 total · 1 missing alt

Scripts / Styles

8 scripts · 4 stylesheets

JS / CSS size

386 KB · 266 KB

Page size

50.8 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Multiple H1 headings found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://mbohlen.de
Final URL
https://mbohlen.de
HTTP status
200
HTTP version
HTTP/2
Response time
287 ms
HTML size
50.8 KB
Redirect chain
https://mbohlen.de

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Frequently asked questions

What technology does mbohlen.de use?
mbohlen.de is built with Express, Node.js, Plausible Analytics.
Is mbohlen.de secure (HTTPS)?
Yes. mbohlen.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 13, 2026.
Who hosts mbohlen.de?
mbohlen.de is hosted on IONOS-AS - IONOS SE, DE.
What is mbohlen.de's SEO score?
mbohlen.de scored 95/100 for SEO in the latest analysis (excellent).
What is mbohlen.de's overall website score?
mbohlen.de has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.