What technology does nessus.at use?

nessus.at is built with Vue.js, WordPress, WooCommerce, jQuery, Google Analytics, Nginx.

Is nessus.at secure (HTTPS)?

Yes. nessus.at uses TLS 1.3 with a certificate issued by GoGetSSL, valid until Feb 13, 2027.

Hosting provider information for nessus.at is not available yet.

What is nessus.at's SEO score?

nessus.at scored 80/100 for SEO in the latest analysis (great).

What is nessus.at's overall website score?

nessus.at has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.

nessus.at

Serverhousing und Business Internet - Nessus GmbH

Last scanned Aug 24, 2026, 1:22 PM · 3 views

Overall score

Excellent

Summary

Nessus GmbH – Ihr Business ISP aus Wien: Glasfaser & Richtfunk Internet, ISO‑zertifiziertes Serverhousing und professionelle IT‑Infrastruktur für Unternehmen. This website uses WordPress. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

Nessus GmbH – Ihr Business ISP aus Wien: Glasfaser & Richtfunk Internet, ISO‑zertifiziertes Serverhousing und professionelle IT‑Infrastruktur für Unternehmen.

Top issues to fix

5 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
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.

SEO

4 issue(s) found

100

Performance

984 ms

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.

Nessus GmbH – Ihr Business ISP aus Wien: Glasfaser & Richtfunk Internet, ISO‑zertifiziertes Serverhousing und professionelle IT‑Infrastruktur für Unternehmen.

Contact

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

Email: support@nessus.at
Phone: +4313360006

Meta tags

Title: Serverhousing und Business Internet - Nessus GmbH
Description: Nessus GmbH – Ihr Business ISP aus Wien: Glasfaser & Richtfunk Internet, ISO‑zertifiziertes Serverhousing und professionelle IT‑Infrastruktur für Unternehmen.
Canonical: https://www.nessus.at/
Language: de-DE
Charset: UTF-8
Viewport: width=device-width, initial-scale=1, maximum-scale=1
Robots meta: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

Technologies

Detected frameworks, languages, and tools.

Vue.js WordPress WooCommerce jQuery Google Analytics Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: GoGetSSL
Subject: *.nessus.at
Valid from: Jul 30, 2026
Valid to: Feb 13, 2027
Days until expiry: 172
SAN domains: *.nessus.at, nessus.at

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 1 · H3 3

Links

22 internal · 0 external · 0 broken

Images

38 total · 1 missing alt

Scripts / Styles

73 scripts · 28 stylesheets

JS / CSS size

186 KB · 134 KB

Page size

239 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
Multiple H1 headings found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://nessus.at
Final URL: https://www.nessus.at/
HTTP status: 200
HTTP version: HTTP/2
Response time: 980 ms
HTML size: 239 KB
Redirect chain: https://nessus.at → https://www.nessus.at/

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