What technology does dnv.com use?

We did not detect any specific technologies for dnv.com in the latest scan.

Is dnv.com secure (HTTPS)?

Yes. dnv.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 8, 2026.

Hosting provider information for dnv.com is not available yet.

What is dnv.com's SEO score?

dnv.com scored 80/100 for SEO in the latest analysis (great).

What is dnv.com's overall website score?

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

Has dnv.com's score changed over time?

dnv.com's overall score has declined by 3 points (from 95 to 92) since Jul 25, 2026.

dnv.com

DNV.com - When trust matters - DNV

Last scanned Aug 1, 2026, 7:00 AM · 8 views

Overall score

Excellent

Summary

Driven by our purpose of safeguarding life, property and the environment, DNV enables organizations to advance the safety and sustainability of their business. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No H1 heading found.

Driven by our purpose of safeguarding life, property and the environment, DNV enables organizations to advance the safety and sustainability of their business.

Top issues to fix

5 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.
3 cookies without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
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.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

100

Performance

196 ms

100

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Score history

-3 overall since Jul 25, 2026

Overall: 92
SEO: 80
Security: 100
Performance: 100
Accessibility: 90

Organization

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

Driven by our purpose of safeguarding life, property and the environment, DNV enables organizations to advance the safety and sustainability of their business.

Facebook LinkedIn

Meta tags

Title: DNV.com - When trust matters - DNV
Description: Driven by our purpose of safeguarding life, property and the environment, DNV enables organizations to advance the safety and sustainability of their business.
Canonical: https://www.dnv.com/
Language: en
Charset: UTF-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest: https://www.dnv.com/assets/meta/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: Cloudflare
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: Google Trust Services
Subject: www.dnv.com
Valid from: Jul 10, 2026
Valid to: Oct 8, 2026
Days until expiry: 67
SAN domains: www.dnv.com

Security headers

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

Compression: gzip · 5 cookie(s) observed

Content & assets

Headings

H1 0 · H2 3 · H3 27

Links

48 internal · 35 external · 20 broken

Images

23 total · 0 missing alt

Scripts / Styles

23 scripts · 22 stylesheets

JS / CSS size

10.9 KB · 23.3 KB

Page size

207 KB

Robots.txt & Sitemap

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

SEO issues

No H1 heading found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://dnv.com
Final URL: https://www.dnv.com/
HTTP status: 200
HTTP version: HTTP/2
Response time: 192 ms
HTML size: 207 KB
Redirect chain: https://dnv.com → https://www.dnv.com/

See something wrong on this report? Request a correction

Frequently asked questions

What technology does dnv.com use?: We did not detect any specific technologies for dnv.com in the latest scan.
Is dnv.com secure (HTTPS)?: Yes. dnv.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 8, 2026.
Who hosts dnv.com?: Hosting provider information for dnv.com is not available yet.
What is dnv.com's SEO score?: dnv.com scored 80/100 for SEO in the latest analysis (great).
What is dnv.com's overall website score?: dnv.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
Has dnv.com's score changed over time?: dnv.com's overall score has declined by 3 points (from 95 to 92) since Jul 25, 2026.