herold.at
Herold | Firmensuche & Online Marketing für Unternehmen
Last scanned Jul 26, 2026, 5:34 AM
Overall score
Great
Summary
Österreichs größtes Online-Verzeichnis für die lokale Firmensuche, sowie führender Anbieter für Online Marketing Dienstleistungen für Unternehmen. This website uses Express hosted on NESSUS - Nessus GmbH, AT. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (80/100). Top issue: No structured data (JSON-LD) found.
Österreichs größtes Online-Verzeichnis für die lokale Firmensuche, sowie führender Anbieter für Online Marketing Dienstleistungen für Unternehmen.
- Germany
- Hosted on NESSUS - Nessus GmbH, AT
Top issues to fix
7 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Sluggish estimated load (3.0s)
PerformanceTarget under 3 seconds: enable compression and serve static assets from a CDN.
+1 more issue — details in the sections below.
SEO
1 issue(s) found
Performance
3.01 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Herold | Firmensuche & Online Marketing für Unternehmen
- Description
- Österreichs größtes Online-Verzeichnis für die lokale Firmensuche, sowie führender Anbieter für Online Marketing Dienstleistungen für Unternehmen.
- Canonical
- https://www.herold.at/
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1
- Robots meta
- INDEX, FOLLOW, NOARCHIVE, NOODP
- Manifest
- https://www.herold.at/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- NESSUS - Nessus GmbH, AT
- CDN provider
- —
- IP address
- 91.151.18.228
- ASN
- AS47692 (NESSUS - Nessus GmbH, AT)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- *.herold.at
- Valid from
- Jun 30, 2026
- Valid to
- Jan 14, 2027
- Days until expiry
- 172
- SAN domains
- *.herold.at, herold.at
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 9
Links
52 internal · 14 external · 1 broken
Images
4 total · 0 missing alt
Scripts / Styles
18 scripts · 0 stylesheets
JS / CSS size
167 KB · 159 KB
Page size
553 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 27
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://herold.at
- Final URL
- https://www.herold.at
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 3.00 s
- HTML size
- 553 KB
- Redirect chain
- https://herold.at → https://www.herold.at
See something wrong on this report? Request a correction
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404 Not Found
Frequently asked questions
- What technology does herold.at use?
- herold.at is built with Express, Node.js, Google Ads.
- Is herold.at secure (HTTPS)?
- Yes. herold.at uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Jan 14, 2027.
- Who hosts herold.at?
- herold.at is hosted on NESSUS - Nessus GmbH, AT.
- What is herold.at's SEO score?
- herold.at scored 90/100 for SEO in the latest analysis (excellent).
- What is herold.at's overall website score?
- herold.at has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card