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pnnl.gov

Pacific Northwest National Laboratory | PNNL

Last scanned Jul 26, 2026, 5:17 AM · 1 view

91

Overall score

Excellent

Summary

PNNL advances the frontiers of knowledge, taking on some of the world’s greatest science and technology challenges. This website uses Drupal hosted on ESNET-AS - ESnet, US. SEO is good (85/100) 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.

United States
Hosted on ESNET-AS - ESnet, US

Top issues to fix

4 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 23 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.

85

SEO

2 issue(s) found

90

Performance

574 ms

90

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.

Contact

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

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

OpenGraph & Twitter Card

OpenGraph

og:title
Pacific Northwest National Laboratory
og:description
og:type
og:url
https://www.pnnl.gov/node/59608

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
ESNET-AS - ESnet, US
CDN provider
IP address
192.101.105.198
ASN
AS3428 (ESNET-AS - ESnet, US)

DNS records

TypeValue
A
  • 192.101.105.198
AAAA
  • 2620:0:50f0:2304:192:101:105:198
MX
TXT
  • 181F-3329-385A-E33C-6C4D-C009-2208-04A4
NS
CAA
CNAME
IPv6 supportYes

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
23
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 · 0 broken

Images

8 total · 0 missing alt

Scripts / Styles

44 scripts · 16 stylesheets

JS / CSS size

114 KB · 415 KB

Page size

85.8 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
47
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Multiple H1 headings found
  • No structured data (JSON-LD) found

Accessibility issues

No accessibility issues detected.

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

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

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Frequently asked questions

What technology does pnnl.gov use?
pnnl.gov is built with Drupal, jQuery, Google Analytics.
Is pnnl.gov secure (HTTPS)?
Yes. pnnl.gov uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Aug 18, 2026.
Who hosts pnnl.gov?
pnnl.gov is hosted on ESNET-AS - ESnet, US.
What is pnnl.gov's SEO score?
pnnl.gov scored 85/100 for SEO in the latest analysis (great).
What is pnnl.gov's overall website score?
pnnl.gov has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Is pnnl.gov hiring?
pnnl.gov has a careers page; check it directly for current openings.