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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brenebrown.com

https://brenebrown.com· First analyzed 18 Feb 2026· Updated 18 Feb 2026

Export

brenebrown.com

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.26.4.124

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

lila.ns.cloudflare.com.amir.ns.cloudflare.com.

Performance

Page Speed

35.7 MB

98 requests

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Detected API Sources

https://player.vimeo.com/api/p...

Technology Stack

25 Technologies Detected

Plugins

Gp Page Transitions

Gravity Forms

Ups Blocks Aa Course Access Bb Comments Hide Admin Bar Based On User Roles Bb Accounts Bb View Count Bb Data Layers

Analytics

UI Components

Swiper Slick Carousel

Frameworks

Libraries

CSS Frameworks

Icon Libraries

Tag Managers

Email Marketing

CDN

SEO Analysis

A82/100

brenebrown.combrenebrown.com

Brené Brown

Brené Brown is a researcher and storyteller who’s spent two decades studying courage, vulnerability, shame, and empathy.

Title Length11 chars

Recommended: 50-60 chars

Description Length120 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

WAF

34d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

24.12.2025

Valid Until

24.03.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

brenebrown.com*.brenebrown.com

SHA-256 Fingerprint

20:45:2D:9D:58:10:81:7D:6E:0C:8F:A7:37:39:1E:A0:8D:F8:7C:72...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

date

Wed, 18 Feb 2026 06:59:35 GMT

content-type

text/html; charset=UTF-8

server

cloudflare

vary

Accept-Encoding, User-Agent

last-modified

Tue, 17 Feb 2026 23:00:41 GMT

nel

{"report_to":"cf-nel", "success_fraction":0.0, "max_age":604...

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

brenebrown-com.mail.protection.outlook.com

Domain Information

brenebrown.com

Domain Age

22y 7m

Created

15.07.2003

Expires

15.07.2030

Last Updated

18.11.2025

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Typography & Readability

Georgia

78/100

Readability

/30

32/40

26px · LH 1.35

Hierarchy

/20

25/25

2.12x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Georgia

Serif55px

Body Font

Georgia

Serif26px

Contrast Ratio

Reading Comfort

~61 CPL

Optimal (45–75)

55px

36px

28px

14px

26px

✅ Excellent readability: 26px body text is ideal for all devices.

✅ Strong hierarchy: Headlines are 2.1x larger than 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.

✅ Optimal line length: ~61 characters per line is comfortable to read.

⚠️ Cramped layout: 32 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

5 Tools Detected

Enterprise

Marketing Automation

MailchimpSMB

Email marketing and automation platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

HotjarMid-Market

User behavior and product analytics

Social Media

Pinterest WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

brenebrown.com(11)googletagmanager.com(2)u.heatmap.it(2)assets.pinterest.com(1)google-analytics.com(1)

Website Identity

brenebrown.com

22 years old

GoDaddy.com, LLC📧 Microsoft 365

Social Profiles

Facebook Instagram LinkedIn

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Last analyzed: 18 Feb 2026 at 07:00

Historical Analysis & Change Tracking