What technology does pnl.gov use?

pnl.gov is built with Drupal, jQuery.

Is pnl.gov secure (HTTPS)?

Yes. pnl.gov uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Aug 18, 2026.

Hosting provider information for pnl.gov is not available yet.

What is pnl.gov's SEO score?

pnl.gov scored 75/100 for SEO in the latest analysis (fair).

What is pnl.gov's overall website score?

pnl.gov has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.

pnl.gov

Pacific Northwest National Laboratory | PNNL

Last scanned Jul 26, 2026, 11:19 AM

Overall score

Great

Summary

PNNL advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges. This website uses Drupal. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.

PNNL advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges.

Top issues to fix

7 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.
TLS certificate expires in 21 days
Security
Renew soon or enable auto-renewal to avoid a browser-warning outage.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
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.

+1 more issue — details in the sections below.

SEO

4 issue(s) found

Performance

1.59 s

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.

PNNL advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges.

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Meta tags

Title: Pacific Northwest National Laboratory | PNNL
Description: PNNL advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges.
Canonical: https://www.pnnl.gov/
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest: https://www.pnnl.gov/manifest.json

Technologies

Detected frameworks, languages, and tools.

Drupal 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 1.2
Issuer: DigiCert Inc
Subject: *.pnnl.gov
Valid from: Aug 19, 2025
Valid to: Aug 18, 2026
Days until expiry: 21
SAN domains: *.pnnl.gov, pnnl.gov, externalF5.pnnl.gov

Security headers

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

Compression: none · 1 cookie(s) observed

Content & assets

Headings

H1 3 · H2 10 · H3 8

Links

233 internal · 10 external · 15 broken

Images

8 total · 0 missing alt

Scripts / Styles

37 scripts · 16 stylesheets

JS / CSS size

1.1 KB · 0 B

Page size

85.8 KB

Robots.txt & Sitemap

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

SEO issues

Multiple H1 headings found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://pnl.gov
Final URL: https://www.pnnl.gov
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 1.59 s
HTML size: 85.8 KB
Redirect chain: https://pnl.gov → https://pnnl.gov/ → https://www.pnnl.gov

See something wrong on this report? Request a correction

Frequently asked questions

What technology does pnl.gov use?: pnl.gov is built with Drupal, jQuery.
Is pnl.gov secure (HTTPS)?: Yes. pnl.gov uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Aug 18, 2026.
Who hosts pnl.gov?: Hosting provider information for pnl.gov is not available yet.
What is pnl.gov's SEO score?: pnl.gov scored 75/100 for SEO in the latest analysis (fair).
What is pnl.gov's overall website score?: pnl.gov has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.