Is pbl.nl secure (HTTPS)?

Yes. pbl.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Oct 17, 2026.

Hosting provider information for pbl.nl is not available yet.

What is pbl.nl's SEO score?

pbl.nl scored 70/100 for SEO in the latest analysis (fair).

What is pbl.nl's overall website score?

pbl.nl has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.

pbl.nl

Home | Planbureau voor de Leefomgeving

Last scanned Jul 26, 2026, 12:19 PM

Overall score

Great

Summary

This website uses jQuery. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

6 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.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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

4 issue(s) found

100

Performance

250 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.

YouTube YouTube X (Twitter)LinkedIn YouTube

Technologies

Detected frameworks, languages, and tools.

jQuery

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: Hellenic Academic and Research Institutions CA
Subject: www.pbl.nl
Valid from: Oct 17, 2025
Valid to: Oct 17, 2026
Days until expiry: 80
SAN domains: www.pbl.nl, pbl.nl

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 9 · H3 20

Links

36 internal · 7 external · 20 broken

Images

24 total · 1 missing alt

Scripts / Styles

4 scripts · 2 stylesheets

JS / CSS size

8.2 KB · 73 B

Page size

75.7 KB

Robots.txt & Sitemap

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

SEO issues

Missing meta description
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://pbl.nl
Final URL: https://www.pbl.nl/
HTTP status: 200
HTTP version: HTTP/2
Response time: 249 ms
HTML size: 75.7 KB
Redirect chain: https://pbl.nl → https://www.pbl.nl/

See something wrong on this report? Request a correction

Frequently asked questions

What technology does pbl.nl use?: pbl.nl is built with jQuery.
Is pbl.nl secure (HTTPS)?: Yes. pbl.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Oct 17, 2026.
Who hosts pbl.nl?: Hosting provider information for pbl.nl is not available yet.
What is pbl.nl's SEO score?: pbl.nl scored 70/100 for SEO in the latest analysis (fair).
What is pbl.nl's overall website score?: pbl.nl has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.