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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chessbase.com

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

Export

chessbase.com

Sponsored

Hosting Provider

Host Europe

hosteurope.de

IP Address

80.237.188.85

Server Location

🇩🇪 Cologne, Germany

ASN

AS61157

Organization

Hosteurope GmbH

Nameservers

ns56.domaincontrol.com.ns55.domaincontrol.com.

Performance

Page Speed

5.3 MB

89 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Host Europe

Technology Stack

8 Technologies Detected

Libraries

Other

CSS Frameworks

Analytics

Tag Managers

Advertising

Microsoft Advertising

Frameworks

ASP.NET

SEO Analysis

D47/100

chessbase.comchessbase.com

Chess News | ChessBase

ChessBase: Reports about chess - tournaments, championships, portraits, interviews, World Championships, product launches and more.

Title Length22 chars

Recommended: 50-60 chars

Description Length131 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (195/197)

7 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

robots.txt

15 rules

Sitemap reference found

Sponsored

Security Score

46%Poor

Interactive

HTTPS

No WAF

178d

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

17.07.2025

Valid Until

17.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.chessbase.comchessbase.com

SHA-256 Fingerprint

96:FF:AC:0C:F4:C1:10:DC:B4:9F:F9:62:F6:6B:49:4A:B8:29:3D:14...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟣 Private(private)

content-length

140747

content-type

text/html; charset=utf-8

date

Fri, 20 Feb 2026 05:56:36 GMT

strict-transport-security

max-age=3600

x-frame-options

SAMEORIGIN

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

chessbase-com.mail.protection.outlook.com

Domain Information

chessbase.com

Domain Age

29y 6m

Created

12.08.1996

Expires

11.08.2026

Last Updated

10.08.2025

Registrar

Mesh Digital Limited

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Typography & Readability

__Merriweather_5 + sans-serif

54/100

Readability

/30

10/40

11px · LH --

Hierarchy

/20

21/25

2.27x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

__Merriweather_5

Sans25px

Body Font

sans-serif

Sans11px

Contrast Ratio

Reading Comfort

Dual Sans-Serif

left aligned

25px

17px

13px

11px

❌ Critical: 11px body text is too small. Increase to at least 14px.

✅ Strong hierarchy: Headlines are 2.3x larger than body text.

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

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 21 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

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

16 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(8)

Sponsored

Last analyzed: 20 Feb 2026 at 05:56

Historical Analysis & Change Tracking