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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mcmaster.ca

https://mcmaster.ca· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

mcmaster.ca

Mobile

Sponsored

Hosting Provider

McMaster University

IP Address

130.113.64.30

Server Location

🇨🇦 Hamilton, Canada

ASN

AS23237

Organization

McMaster University

Server

Apache

Nameservers

ns1.d-zone.ca.ns2.d-zone.ca.

Performance

Page Speed

6.7 MB

117 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.5.7

cms

child-mcmasterCustom

Technology Stack

22 Technologies Detected

Plugins

Formidable Instagram Feed Pro Mm Malinky Ajax Pagination Revslider

Analytics

CSS Frameworks

Libraries

UI Components

Other

Icon Libraries

Fonts

Tag Managers

Social

Web Servers

Languages

Customer Support

SEO Analysis

A+100/100

mcmaster.camcmaster.ca

McMaster: Benefits of Studying at an Ontario University

Explore McMaster University, a prestigious Ontario university in Canada, known for its research and academic programs. Discover our vibrant campus today.

Title Length55 chars

Recommended: 50-60 chars

Description Length153 chars

Recommended: 120-160 chars

Sponsored

Security Score

21%Critical

Interactive

HTTPS

No WAF

261d

Certificate Details

Type

Extended Validation (EV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

01.10.2025

Valid Until

01.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (8)

pinwps02.uts.mcmaster.cabrighterworld.mcmaster.cabw-archive.mcmaster.cadailynews.mcmaster.camcmaster.canewsarchive.mcmaster.capinwps02.mcmaster.cawww.mcmaster.ca

SHA-256 Fingerprint

DC:21:EF:A3:9E:78:22:92:DA:39:3E:6B:98:89:1F:46:30:80:1B:C5...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟡 3s(max-age=3, must-revalidate)

connection

Keep-Alive

content-encoding

📦 Gzip(gzip)

content-length

16400

content-type

text/html; charset=UTF-8

date

Fri, 13 Feb 2026 00:22:57 GMT

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

mcmaster-ca.mail.protection.outlook.com

Domain Information

mcmaster.ca

Domain Age

25y 4m

Created

20.10.2000

Expires

13.04.2032

Last Updated

03.03.2023

Registrar

CanHost Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

Typography & Readability

Arial

35/100

Readability

/30

25/40

30px · LH 1.17

Hierarchy

/20

8/25

1.27x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

17/20

System fonts

Heading Font

Arial

Sans38px

Body Font

Arial

Sans30px

Contrast Ratio

Reading Comfort

~40 CPL

Needs attention

38px

16px

28px

30px

Minor Second

Scale

✅ Excellent readability: 30px body text is ideal for all devices.

⚠️ Tight line spacing (1.17). Consider 1.4-1.6 for better readability.

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

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

✅ 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

5 Tools Detected

Enterprise

Behavior Analytics

HotjarMid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Social Media

ShareThisFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(5)cdnjs.cloudflare.com(3)connect.facebook.net(2)mcmaster.ca(2)static.hotjar.com(2)

Website Identity

Instagram

Sponsored

Last analyzed: 13 Feb 2026 at 00:23

Historical Analysis & Change Tracking