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.

Back to Search

buzzsumo.com

https://buzzsumo.com· First analyzed 14 Feb 2026· Updated 14 Feb 2026

Export

buzzsumo.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.67.73.94

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

sima.ns.cloudflare.com.max.ns.cloudflare.com.

Performance

Page Speed

1.8 MB

48 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.4.1

cms

Brandwatchv1.0

by Ben Hall, Pete Rundle, Andy Hook

View Theme

Technology Stack

7 Technologies Detected

Analytics

CSS Frameworks

Marketing

Popups & Forms

CDN

Customer Support

SEO Analysis

B74/100

buzzsumo.combuzzsumo.com

BuzzSumo | Media Mentions In Minutes. Content Ideas For Days.

Get the inside scoop on your industry with BuzzSumo. From tracking mentions, to finding creative content ideas, we've got you covered. Let's make your brand ...

Description truncated.

Title Length61 chars

Recommended: 50-60 chars

Description Length178 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

9 URLs

robots.txt

4 rules

Sitemap reference found

Sponsored

Security Score

30%Critical

Critical / Transactional

HTTPS

WAF

65d

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

20.01.2026

Valid Until

20.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (5)

buzzsumo.com*.buzzsumo.comstage.dev.k8s.buzzsumo.comadmin.stage.dev.k8s.buzzsumo.com*.dev.k8s.buzzsumo.com

SHA-256 Fingerprint

98:65:2E:0B:71:6E:B6:F8:65:81:55:4F:69:26:63:0D:7A:7C:0E:5D...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-origin

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9cdb5ff8087a7da6-FRA

content-encoding

📦 Gzip(gzip)

content-length

31858

content-security-policy

frame-ancestors 'self' *.brandwatch.com; object-src 'none';

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

buzzsumo-com.mail.protection.outlook.com

Domain Information

buzzsumo.com

Domain Age

13y 5m

Created

17.09.2012

Expires

17.09.2027

Last Updated

06.08.2018

Registrar

NameCheap, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Data Protection Officer mentioned

Typography & Readability

Roboto

70/100

Readability

/30

20/40

12px · LH 1.50

Hierarchy

/20

25/25

4.83x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Roboto

Sans58px

Body Font

Roboto

Sans12px

Contrast Ratio

Reading Comfort

~42 CPL

Needs attention

58px

44px

12px

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 4.8x larger than body text.

✅ 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.

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Affiliate & Partnerships

PartnerStackMid-Market

Affiliate networks and partner tracking

Sponsored

Scripts & Styles

11 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)app.buzzsumo.com(2)buzzsumo.com(2)js.partnerstack.com(1)

Website Identity

Facebook X (Twitter)LinkedIn YouTube

Sponsored

Last analyzed: 14 Feb 2026 at 09:00

Historical Analysis & Change Tracking