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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icmje.org

https://icmje.org· First analyzed 18 Feb 2026· Updated 18 Feb 2026

Export

icmje.org

Sponsored

Hosting Provider

American Association of Community Colleges

IP Address

65.201.147.216

Server Location

🇺🇸 Bethlehem, United States

ASN

AS701

Organization

American Association of Community Colleges

Server

Apache

Nameservers

ns-114.awsdns-14.com.ns-1492.awsdns-58.org.ns-1784.awsdns-31.co.uk.ns-733.awsdns-27.net.

Performance

Page Speed

2.1 MB

34 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

American Association of Community Colleges

Technology Stack

6 Technologies Detected

CSS Frameworks

Libraries

Icon Libraries

Analytics

Web Servers

SEO Analysis

D41/100

icmje.orgicmje.org

ICMJE | Home

No description available for this page.

Title Length12 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description - important for click-through rates
• Missing H1 tag - every page should have one H1

7 issues found

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Crawlability

Sitemap

robots.txt

2 rules

Sponsored

Security Score

76%Good

Interactive

HTTPS

No WAF

52d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

10.03.2025

Valid Until

11.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (12)

*.acponline.orgicmje.orgacpinternist.orgacphospitalist.orgcaringwithcompassion.orgwww.icmje.orgwww.acpinternist.orgwww.acphospitalist.org+4 more

SHA-256 Fingerprint

BE:C8:5B:F9:8B:E6:80:99:A9:67:50:9E:19:29:27:F4:07:39:37:BC...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🟡 1 Hours(max-age=3600)

connection

Keep-Alive

content-encoding

📦 Gzip(gzip)

content-length

4682

content-security-policy

upgrade-insecure-requests

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

icmje-org.mail.protection.outlook.com

Domain Information

icmje.org

Domain Age

25y 9m

Created

24.05.2000

Expires

24.05.2030

Last Updated

30.03.2025

Registrar

Network Solutions, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

Typography & Readability

Georgia + Arial

41/100

Readability

/30

20/40

13px · LH 1.62

Hierarchy

/20

8/25

WCAG

/25

5/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Georgia

Serif

Body Font

Arial

Sans13px

Contrast Ratio

Reading Comfort

~47 CPL

Optimal (45–75)

23px

15px

13px

❌ Critical: 13px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.62 ratio ensures comfortable reading.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

⚠️ Risky: Text appears on background images without overlay protection.

✅ Optimal line length: ~47 characters per line is comfortable to read.

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Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

8 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)ssl.google-analytics.com(1)ajax.googleapis.com(1)

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Last analyzed: 18 Feb 2026 at 06:56

Historical Analysis & Change Tracking