What technology does lbl.gov use?

lbl.gov is built with React, WordPress.

Is lbl.gov secure (HTTPS)?

Yes. lbl.gov uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 10, 2026.

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

What is lbl.gov's SEO score?

lbl.gov scored 90/100 for SEO in the latest analysis (excellent).

What is lbl.gov's overall website score?

lbl.gov has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.

Has lbl.gov's score changed over time?

lbl.gov's overall score has declined by 3 points (from 94 to 91) since Jul 24, 2026.

lbl.gov

Home – Lawrence Berkeley National Laboratory

Last scanned Jul 31, 2026, 7:00 PM · 18 views

Overall score

Excellent

Summary

Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind. This website uses WordPress behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (90/100). Top issue: robots.txt not found.

Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.

Top issues to fix

5 issues found

Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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

2 issue(s) found

Performance

1.39 s

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 24, 2026

Overall: 91
SEO: 90
Security: 85
Performance: 90
Accessibility: 100

Organization

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

Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.

Meta tags

Title: Home – Lawrence Berkeley National Laboratory
Description: Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.
Canonical: https://www.lbl.gov/
Language: en-US
Charset: UTF-8
Viewport: width=device-width, initial-scale=1
Robots meta: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Manifest

Technologies

Detected frameworks, languages, and tools.

React WordPress

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.lbl.gov
Valid from: Jul 12, 2026
Valid to: Oct 10, 2026
Days until expiry: 70
SAN domains: www.lbl.gov

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 2 · H3 10

Links

44 internal · 21 external · 20 broken

Images

14 total · 0 missing alt

Scripts / Styles

66 scripts · 3 stylesheets

JS / CSS size

6.6 KB · 14.7 KB

Page size

67.7 KB

Robots.txt & Sitemap

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

SEO issues

robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://lbl.gov
Final URL: https://www.lbl.gov/
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.39 s
HTML size: 67.7 KB
Redirect chain: https://lbl.gov → http://www.lbl.gov/ → https://www.lbl.gov/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does lbl.gov use?: lbl.gov is built with React, WordPress.
Is lbl.gov secure (HTTPS)?: Yes. lbl.gov uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 10, 2026.
Who hosts lbl.gov?: Hosting provider information for lbl.gov is not available yet.
What is lbl.gov's SEO score?: lbl.gov scored 90/100 for SEO in the latest analysis (excellent).
What is lbl.gov's overall website score?: lbl.gov has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
Has lbl.gov's score changed over time?: lbl.gov's overall score has declined by 3 points (from 94 to 91) since Jul 24, 2026.