What does StackOptic analyze?

StackOptic runs 18 analysis modules on any public website from a single URL. It detects 7,000+ technologies (CMS, frameworks, analytics, payments, CDN, hosting), evaluates SSL certificates and HTTP security headers with grades from A+ to F, measures Core Web Vitals (LCP, CLS, TBT, FCP), audits SEO meta tags and structured data, checks email security (SPF, DKIM, DMARC), analyzes AI & LLM readiness including bot access and llms.txt validation, extracts color palettes and typography, estimates carbon footprint, and generates permanent shareable reports.

Does it work on sites behind Cloudflare or bot protection?

Yes. StackOptic uses a real browser engine that loads pages exactly like a human visitor — executing JavaScript, rendering CSS, and handling redirects. This allows it to bypass Cloudflare, LiteSpeed, Sucuri, and other bot protection systems where traditional crawlers and HTTP-only tools fail.

What do I get on the free plan?

The free plan includes 5 analyses per day with access to all 18 modules, full scores, technology detection, and security grades. Every report is permanently accessible via a unique shareable URL — no login required to view. No credit card needed. AI-powered insights, re-analysis, PDF/JSON export, and comparison features are available on Pro ($24/mo) and Agency ($99/mo) plans.

What is AI & LLM readiness analysis?

This module evaluates how visible and citable your website is to AI search engines like ChatGPT, Perplexity, Google AI Overviews, and Claude. It audits access permissions for 8 major AI bots, validates llms.txt and llms-full.txt files, scores citation-ready content structure, and analyzes structured data (JSON-LD) for GEO readiness — helping you rank in the next generation of search.

How long does an analysis take?

Most analyses complete in under 10 seconds. StackOptic runs all 18 modules in parallel using a real browser session, so you get technology detection, security audit, performance metrics, SEO analysis, and AI readiness scoring simultaneously.

How accurate are the results?

Detection is based on real browser execution — DOM inspection, JavaScript runtime analysis, HTTP headers, and DNS records. With 7,000+ technology signatures and Lighthouse-calibrated performance scoring, StackOptic achieves high accuracy for mainstream technologies.

What security checks are performed?

The security module evaluates SSL/TLS certificates, 12+ HTTP security headers (HSTS, CSP, X-Frame-Options, Permissions-Policy, Referrer-Policy), HTTPS enforcement, and email authentication (SPF, DKIM, DMARC). Each site receives a letter grade from A+ to F with specific remediation steps.

Do you store the websites I analyze?

StackOptic only stores publicly available information that any visitor to a website would see — HTML content, HTTP headers, DNS records, and screenshots. We do not access private data, log in to websites, or perform any intrusive testing.

Back to Search

lbl.gov

https://lbl.gov· First analyzed 12 Feb 2026· Updated 12 Feb 2026

Export

lbl.gov

$Desktop screenshot of lbl.gov$

$Mobile screenshot of lbl.gov$

Mobile

Sponsored

Hosting Provider

Lawrence Berkeley National Laboratory

IP Address

131.243.228.58

Server Location

🇺🇸 Alameda, United States

ASN

AS16

Organization

Lawrence Berkeley National Laboratory

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

adns2.es.net.adns.lbl.gov.adns1.es.net.

Performance

Page Speed

3.3 MB

100 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

React

CMS

WordPressv5.0.0

Infrastructure

Hosting

Lawrence Berkeley National Laboratory

CDN

Cloudflare

Technology Stack

12 Technologies Detected

Libraries

jQueryv3.7.1

Moment.js

Fonts

Adobe Fonts (Typekit)Adobe Fonts

Analytics

Frameworks

CSS Frameworks

Tag Managers

Email Marketing

CDN

Plugins

SEO Analysis

A+94/100

lbl.govlbl.gov

Home – Lawrence Berkeley National Laboratory

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

Title Length44 chars

Recommended: 50-60 chars

Description Length150 chars

Recommended: 120-160 chars

Sponsored

Security Score

61%Fair

Interactive

HTTPS

WAF

62d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

16.01.2026

Valid Until

16.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.lbl.gov

SHA-256 Fingerprint

79:1D:02:2B:7F:06:AA:AA:08:25:54:33:50:90:C8:67:E8:C6:B1:7F...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟡 600s(max-age=600, must-revalidate)

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9cccdbfabac55d92-FRA

content-encoding

📦 Gzip(gzip)

content-security-policy

frame-ancestors 'self' *.lbl.gov;

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

aspmx.l.google.com

alt1.aspmx.l.google.com

alt3.aspmx.l.google.com

alt2.aspmx.l.google.com

+1 more

Domain Information

lbl.gov

Domain Age

28y 4m

Created

02.10.1997

Expires

28.08.2026

Last Updated

02.09.2025

Registrar

get.gov

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

franklin-gothic-urw + georgia

85/100

Readability

/30

40/40

23px · LH 1.56

Hierarchy

/20

25/25

2.3x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

franklin-gothic-urw

Sans53px

Body Font

georgia

Serif23px

Contrast Ratio

Reading Comfort

~33 CPL

Needs attention

53px

39px

23px

✅ Excellent readability: 23px body text is ideal for all devices.

✅ Optimal line spacing: 1.56 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.3x larger than body text.

⚠️ Cramped layout: 8 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

AAdobe Fonts Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

23 Resources

Scripts

Styles

Async

Defer

Top Script Sources

lbl.gov(15)googletagmanager.com(3)gstatic.com(1)siteimproveanalytics.com(1)

Sponsored

Last analyzed: 12 Feb 2026 at 14:44

Historical Analysis & Change Tracking