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.

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earthjustice.org

https://earthjustice.org· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

earthjustice.org

Sponsored

Hosting Provider

Pantheon

pantheon.io

IP Address

23.185.0.4

Server Location

🇺🇸 San Francisco, United States

ASN

AS54113

Organization

Pantheon

Server

Nginx

CDN

Fastly

Nameservers

ns15.dnsmadeeasy.com.ns14.dnsmadeeasy.com.ns13.dnsmadeeasy.com.ns12.dnsmadeeasy.com.+2 more

Performance

Page Speed

2 MB

42 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

Earthjusticev1.0

by Floatleft, Courtney Miller

View Theme

Technology Stack

14 Technologies Detected

Plugins

Beaver Builder

Earthjustice Ga4 Analytics

Libraries

CSS Frameworks

Icon Libraries

Analytics

Tag Managers

Other

Payments

Web Servers

Customer Support

SEO Analysis

A88/100

earthjustice.orgearthjustice.org

Earthjustice: Because the earth needs a good lawyer

Earthjustice is the premier nonprofit public interest environmental law organization. We wield the power of law and the strength of partnership to protect pe...

Description truncated.

Title Length51 chars

Recommended: 50-60 chars

Description Length271 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

28 URLs

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

35%Critical

Critical / Transactional

HTTPS

No WAF

76d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

06.02.2026

Valid Until

07.05.2026

Subject Alternative Names (5)

action.earthjustice.orgearthjustice.orglegacy.earthjustice.orgsecure.earthjustice.orgwww.earthjustice.org

SHA-256 Fingerprint

D4:10:6E:E5:79:DF:F6:4D:D1:6B:B2:3C:4F:43:B6:CB:2C:17:30:5D...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

age

3903

cache-control

🔵 1 Week(public, max-age=604800)

content-encoding

📦 Gzip(gzip)

content-length

137310

content-type

text/html; charset=UTF-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mxa-0044a701.gslb.pphosted.com

mxb-0044a701.gslb.pphosted.com

Domain Information

earthjustice.org

Domain Age

28y 9m

Created

08.05.1997

Expires

09.05.2026

Last Updated

29.04.2025

Registrar

easyDNS Technologies Inc.

DNSSEC

Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner

OneTrust

GDPR Indicators

Cookie consent banner detected

CMP: OneTrust

Data Protection Officer mentioned

Typography & Readability

League Gothic + ColfaxWeb

68/100

Readability

/30

32/40

15px · LH 1.40

Hierarchy

/20

18/25

4.53x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

League Gothic

Sans68px

Body Font

ColfaxWeb

Sans15px

Contrast Ratio

Reading Comfort

~39 CPL

Needs attention

68px

36px

24px

15px

⚠️ Small text: 15px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 4.5x larger than body text.

✅ Good performance: Using 2 font families keeps load times fast.

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

✅ Protected text on images: Using text-shadow for readability.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

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Scripts & Styles

25 Resources

Scripts

Styles

Async

Defer

Top Script Sources

earthjustice.org(14)googletagmanager.com(1)cc.cdn.civiccomputing.com(1)

Website Identity

Facebook Instagram LinkedIn TikTok Threads Bluesky

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Last analyzed: 20 Feb 2026 at 01:14

Historical Analysis & Change Tracking