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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fox32chicago.com

https://fox32chicago.com· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

fox32chicago.com

Sponsored

Hosting Provider

Akamai International BV

IP Address

2.23.210.88

Server Location

🇬🇧 London, United Kingdom

ASN

AS20940

Server

Nginx

Nameservers

ns01.foxdoua.com.ns02.foxdoua.com.ns03.foxdoua.com.ns04.foxdoua.com.+4 more

Performance

Page Speed

1.2 MB

241 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Hybrid

⚙️ SSR

Frontend

Framework

Nuxt.js

Infrastructure

Hosting

Akamai International BV

Technology Stack

18 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Segment

Advertising

Google Ads Criteo Taboola

Frameworks

Libraries

CSS Frameworks

Meta Frameworks

Fonts

Tag Managers

Other

Web Servers

SEO Analysis

A88/100

fox32chicago.comfox32chicago.com

FOX 32 Chicago | Local News, Weather, and Live Streams | WFLD

Chicago news, weather, traffic, and sports from FOX 32, serving the Chicago area and Northwest Indiana. Watch breaking news live or see the latest videos fro...

Description truncated.

Title Length61 chars

Recommended: 50-60 chars

Description Length190 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

39 URLs

robots.txt

17 rules

Sitemap reference found

Sponsored

Security Score

76%Good

Interactive

HTTPS

No WAF

48d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

08.04.2025

Valid Until

08.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (20)

foxtv.com*.fox10phoenix.com*.fox13news.com*.fox13seattle.com*.fox26houston.com*.fox29.com*.fox2detroit.com*.fox32chicago.com+12 more

SHA-256 Fingerprint

19:2F:9E:48:D3:6C:05:1A:3A:7B:E1:1D:56:26:D8:18:11:0B:83:69...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

none

access-control-allow-origin

akamai-grn

0.2dab1002.1771515640.14074f46

cache-control

🟡 90s(max-age=90)

content-encoding

⚡ Brotli(br)

content-security-policy

frame-ancestors 'self' https://layout-cms.fox32chicago.com;

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

Domain Information

fox32chicago.com

Domain Age

20y 9m

Created

29.05.2005

Expires

29.05.2026

Last Updated

28.04.2025

Registrar

GoDaddy Corporate Domains, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Helvetica Neue

70/100

Readability

/30

32/40

14px · LH 1.50

Hierarchy

/20

15/25

1.14x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Helvetica Neue

Sans16px

Body Font

Helvetica Neue

Sans14px

Contrast Ratio

Reading Comfort

~47 CPL

Optimal (45–75)

16px

18px

24px

19px

14px

Minor Second

Scale

⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Good performance: Using 1 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.

GGoogle Fonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

TaboolaMid-Market

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

25 Resources

Scripts

Styles

Async

Defer

Top Script Sources

static.foxtv.com(5)googletagmanager.com(3)tru.am(1)google-analytics.com(1)gum.criteo.com(1)

Website Identity

Facebook X (Twitter)Instagram

Sponsored

Last analyzed: 19 Feb 2026 at 15:41

Historical Analysis & Change Tracking