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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blackstone.com

https://blackstone.com· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

blackstone.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

162.159.140.43

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

pdns6.ultradns.co.uk.pdns1.ultradns.net.pdns2.ultradns.net.pdns3.ultradns.org.+2 more

Performance

Page Speed

1004 KB

85 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.7.4

cms

Blackstone V2v2.11.0

by 10up

View Theme

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

10 Technologies Detected

Plugins

Gutenberg

Brightcove Video Connect

Analytics

Libraries

CSS Frameworks

Tag Managers

CDN

SEO Analysis

A82/100

blackstone.comblackstone.com

Home - Blackstone

Blackstone is the world’s largest alternative asset manager, serving institutional and individual investors by building strong businesses positioned to deliv...

Description truncated.

Title Length17 chars

Recommended: 50-60 chars

Description Length174 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

23 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

51%Poor

Interactive

HTTPS

WAF

305d

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

Valid From

01.12.2025

Valid Until

22.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.blackstone.comblackstone.com

SHA-256 Fingerprint

79:06:45:95:82:63:1B:A2:66:75:38:AA:2D:E8:6D:3D:65:2D:E2:03...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin

https://www.blackstone.com

age

240

cache-control

🟡 300s(max-age=300, must-revalidate)

cf-cache-status

HIT

cf-ray🇩🇪 Frankfurt

9d0d06e6ecc4dbcd-FRA

content-encoding

📦 Gzip(gzip)

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

mxb-00040b01.gslb.pphosted.com

mxa-00040b01.gslb.pphosted.com

Domain Information

blackstone.com

Domain Age

31y 5m

Created

22.09.1994

Expires

30.12.2026

Last Updated

28.11.2025

Registrar

MarkMonitor Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Data Protection Officer mentioned

Typography & Readability

Sanomat + Guardian Sans

73/100

Readability

/30

32/40

14px · LH 1.50

Hierarchy

/20

18/25

6.86x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Sanomat

Serif96px

Body Font

Guardian Sans

Sans14px

Contrast Ratio

Reading Comfort

~33 CPL

Needs attention

96px

24px

48px

56px

14px

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 6.9x larger than body text.

✅ Good performance: Using 2 font families keeps load times fast.

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

✅ Protected text on images: Using gradient for readability.

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

28 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(7)players.brightcove.net(6)blackstone.com(5)google-analytics.com(1)cdn-prod.securiti.ai(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn

Sponsored

Last analyzed: 20 Feb 2026 at 09:37

Historical Analysis & Change Tracking