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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opencorporates.com

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

Export

opencorporates.com

Sponsored

Hosting Provider

HAProxy Technologies, Inc.

IP Address

209.126.35.14

Server Location

🇺🇸 New York, United States

ASN

AS11019

Organization

HAProxy Technologies, Inc.

Server

AmazonS3

CDN

CloudFront

Nameservers

ns-804.awsdns-36.net.ns-1459.awsdns-54.org.ns-1582.awsdns-05.co.uk.ns-382.awsdns-47.com.

Performance

Page Speed

6 MB

121 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

jQuery

Styling

Bootstrap

CMS

WordPress

Infrastructure

Hosting

HAProxy Technologies, Inc.

CDN

CloudFront

Technology Stack

22 Technologies Detected

Plugins

Simple Post Redirect Creote Addons Oc Search Box

Libraries

Other

GSAP AOS (Animate On Scroll)Lottie

UI Components

CSS Frameworks

Icon Libraries

Fonts

Analytics

Tag Managers

Marketing

SEO Analysis

D50/100

opencorporates.comopencorporates.com

OpenCorporates

No description available for this page.

Title Length14 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description - important for click-through rates
• Many images missing alt text (27/30)

6 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

19 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

66%Fair

Interactive

HTTPS

WAF

172d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

10.07.2025

Valid Until

10.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

opencorporates.comwww.opencorporates.com

SHA-256 Fingerprint

EA:D1:E4:6A:0A:22:45:3A:4E:3C:26:14:01:DE:F5:B7:DC:4C:8A:A9...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ch

Sec-CH-UA,Sec-CH-UA-Arch,Sec-CH-UA-Full-Version,Sec-CH-UA-Fu...

age

69573

alt-svc

h3=":443"; ma=3600

content-length

188834

content-type

text/html

date

Thu, 19 Feb 2026 21:52:56 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (7)

aspmx2.googlemail.com

aspmx3.googlemail.com

30270256.in2.mandrillapp.com

alt1.aspmx.l.google.com

+3 more

Domain Information

opencorporates.com

Domain Age

15y 3m

Created

15.11.2010

Expires

15.11.2033

Last Updated

16.11.2023

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Typography & Readability

Roboto + sans-serif

86/100

Readability

/30

40/40

16px · LH 1.63

Hierarchy

/20

25/25

2.5x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Roboto

Sans40px

Body Font

sans-serif

Sans16px

Contrast Ratio

Reading Comfort

~80 CPL

Optimal (45–75)

40px

17px

19px

16px

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.62 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.5x 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.

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

GGoogle Fonts

Business & Marketing Stack

6 Tools Detected

Enterprise

CRM Systems

SalesforceEnterprise

HubSpotMid-Market

Customer Relationship Management platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

CookieYesSMB

CookiebotMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(9)pi.pardot.com(3)cdn-cookieyes.com(2)code.jquery.com(2)js-eu1.hs-banner.com(1)

Website Identity

X (Twitter)LinkedIn

Sponsored

Last analyzed: 19 Feb 2026 at 21:53

Historical Analysis & Change Tracking