Is heise.de secure (HTTPS)?

Yes. heise.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 16, 2026.

heise.de is hosted on PLUSLINE - Plus.line AG, DE.

What is heise.de's SEO score?

heise.de scored 80/100 for SEO in the latest analysis (great).

What is heise.de's overall website score?

heise.de has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

heise.de has a careers page; check it directly for current openings.

heise.de

heise online - IT-News, Nachrichten und Hintergründe | heise online

Last scanned Jul 18, 2026, 8:49 PM

Overall score

Great

Top issues to fix

5 issues found · 2 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
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.

Summary

News und Foren zu Computer, IT, Wissenschaft, Medien und Politik. This website uses Nginx hosted on PLUSLINE - Plus.line AG, DE. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

SEO

3 issue(s) found

Performance

702 ms

Security

HTTPS & header checks

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.

Instagram Facebook

Contact

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

Email: newstipps@heise.de

Meta tags

Title: heise online - IT-News, Nachrichten und Hintergründe | heise online
Description: News und Foren zu Computer, IT, Wissenschaft, Medien und Politik. Preisvergleich von Hardware und Software sowie Downloads bei Heise Medien.
Canonical: https://www.heise.de
Language: de
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta: all, max-image-preview:large
Manifest: https://www.heise.de/icons/ho/touch-icons/manifest.json

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

Hosting provider: PLUSLINE - Plus.line AG, DE
CDN provider: —
IP address: 193.99.144.85
ASN: AS12306 (PLUSLINE - Plus.line AG, DE)

DNS records

Type	Value
A	193.99.144.85
AAAA	2a02:2e0:3fe:1001:7777:772e:2:85
MX	—
TXT	tiktok-developers-site-verification=FHHUbiCIOtixTBCGm2NCq7EWqXVFDha9 tiktok-developers-site-verification=ItHbW0BcRfQvyRg64ke5Hjyr8Kq0tNLw tiktok-developers-site-verification=XRVQfkPuANzTVYCOWuMGUoo3cuGojxoC tiktok-developers-site-verification=4hG7PLWNR1XvEcOT4YiLagaIG0dISTp5 tiktok-developers-site-verification=weIoKWwdQgrTvpnCHhaQYbSHVDYzRrPG
NS	—
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: www.heise.de
Valid from: Jul 18, 2026
Valid to: Oct 16, 2026
Days until expiry: 89
SAN domains: www.heise.de

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 23 · H3 165

Links

207 internal · 72 external · 1 broken

Images

513 total · 44 missing alt

Scripts / Styles

10 scripts · 2 stylesheets

JS / CSS size

144 KB · 0 B

Page size

918 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 359
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Title longer than 60 characters
No H1 heading found
sitemap.xml not 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://heise.de
Final URL: https://www.heise.de/
HTTP status: 200
HTTP version: HTTP/2
Response time: 684 ms
HTML size: 918 KB
Redirect chain: https://heise.de → https://www.heise.de/

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Frequently asked questions

What technology does heise.de use?: heise.de is built with Nginx.
Is heise.de secure (HTTPS)?: Yes. heise.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 16, 2026.
Who hosts heise.de?: heise.de is hosted on PLUSLINE - Plus.line AG, DE.
What is heise.de's SEO score?: heise.de scored 80/100 for SEO in the latest analysis (great).
What is heise.de's overall website score?: heise.de has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
Is heise.de hiring?: heise.de has a careers page; check it directly for current openings.