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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rutgers.edu

https://rutgers.edu· First analyzed 11 Feb 2026· Updated 11 Feb 2026

Export

rutgers.edu

Mobile

Sponsored

Hosting Provider

Rutgers, The State University

IP Address

128.6.46.111

Server Location

🇺🇸 Piscataway, United States

ASN

AS46

Organization

Rutgers, The State University

Server

Nginx

CDN

Varnish

Nameservers

ns6.dnsmadeeasy.com.runs2.rutgers.edu.ns7.dnsmadeeasy.com.ns5.dnsmadeeasy.com.+1 more

Performance

Page Speed

26.5 MB

165 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Drupal

Technology Stack

15 Technologies Detected

Analytics

Other

CSS Frameworks

Libraries

UI Components

Icon Libraries

Fonts

Tag Managers

Social

Web Servers

Languages

SEO Analysis

A84/100

rutgers.edurutgers.edu

Rutgers University

Rutgers, The State University of New Jersey, is one of America's leading public research universities. Consistently top-ranked, Rutgers offers a range of und...

Description truncated.

Title Length18 chars

Recommended: 50-60 chars

Description Length236 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

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Sponsored

Security Score

41%Poor

Interactive

HTTPS

No WAF

349d

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

4353

cache-control

🟢 1 Year(max-age=31536000, public)

connection

keep-alive

content-length

191490

content-type

text/html; charset=UTF-8

Good Warning Issue

Typography & Readability

Georgia

46/100

Readability

/30

32/40

36px · LH 1.22

Hierarchy

/20

13/25

1.56x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Georgia

Serif56px

Body Font

Georgia

Serif36px

Contrast Ratio

Reading Comfort

~41 CPL

Needs attention

56px

40px

19px

36px

✅ Excellent readability: 36px body text is ideal for all devices.

✅ Good hierarchy: Clear distinction between headlines and body text.

✅ 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.

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

GGoogle Fonts

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

Microsoft ClarityFree

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Social Media

ShareThisFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(11)cse.google.com(2)googletagmanager.com(2)scripts.clarity.ms(1)clarity.ms(1)

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Last analyzed: 11 Feb 2026 at 03:42

Historical Analysis & Change Tracking