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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aaaai.org

https://aaaai.org· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

aaaai.org

Sponsored

Hosting Provider

Microsoft Azure

azure.microsoft.com

IP Address

52.173.139.99

Server Location

🇺🇸 Des Moines, United States

ASN

AS8075

Organization

Microsoft Azure App Service (centralus)

Server

Microsoft IIS

Nameservers

ns3.p13.dynect.net.ns4.p13.dynect.net.ns1.p13.dynect.net.ns2.p13.dynect.net.

Performance

Page Speed

1.3 MB

47 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Kentico

Technology Stack

11 Technologies Detected

Analytics

Libraries

CSS Frameworks

Icon Libraries

Fonts

Tag Managers

Web Servers

Frameworks

Customer Support

SEO Analysis

D58/100

aaaai.orgaaaai.org

AAAAI | American Academy of Allergy, Asthma & Immunology

Website of the AAAAI. Medical content developed and reviewed by the leading experts in allergy, asthma and immunology.

Title Length56 chars

Recommended: 50-60 chars

Description Length119 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

5 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

2,446 URLs

robots.txt

3 rules

Sponsored

Security Score

31%Critical

Interactive

HTTPS

No WAF

181d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

17.02.2026

Valid Until

17.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.aaaai.org

SHA-256 Fingerprint

F9:A8:9F:1B:5B:CF:1B:DE:2F:5D:81:8C:89:81:AE:F6:C5:11:43:7D...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin

cache-control

🔴 No Cache(no-cache, must-revalidate)

content-encoding

📦 Deflate(deflate)

content-length

14875

content-type

text/html; charset=utf-8

date

Tue, 17 Feb 2026 17:25:20 GMT

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (3)

message2.execinc.com

message1.execinc.com

aaaai-org.mail.protection.outlook.com

Domain Information

aaaai.org

Domain Age

29y 6m

Created

15.08.1996

Expires

14.08.2029

Last Updated

24.06.2024

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Notice (WP)

Cookie Consent Banner

Cookie Notice (WP)

GDPR Indicators

Cookie consent banner detected

CMP: Cookie Notice (WP)

Typography & Readability

Lato + sans-serif

69/100

Readability

/30

40/40

18px · LH 1.67

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Lato

Sans

Body Font

sans-serif

Sans18px

Contrast Ratio

Reading Comfort

~39 CPL

Needs attention

16px

42px

18px

✅ Excellent readability: 18px body text is ideal for all devices.

✅ Optimal line spacing: 1.67 ratio ensures comfortable reading.

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

✅ Consistent design: Single font family with weight variations is a modern best practice.

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

✅ Protected text on images: Using gradient for readability.

GGoogle Fonts

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

Microsoft ClarityFree

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

29 Resources

Scripts

Styles

Async

Defer

Top Script Sources

clarity.ms(7)local(5)googletagmanager.com(2)tracking.magnetmail.net(2)scripts.clarity.ms(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube Threads Bluesky

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Last analyzed: 17 Feb 2026 at 17:25

Historical Analysis & Change Tracking