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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atptour.com

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

Export

atptour.com

Mobile

Sponsored

Hosting Provider

ATP Tour, Inc.

IP Address

216.134.208.13

Server Location

🇺🇸 Ponte Vedra Beach, United States

ASN

AS13649

Organization

ATP Tour, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns3-09.azure-dns.org.ns4-09.azure-dns.info.ns1-09.azure-dns.com.ns2-09.azure-dns.net.

Performance

Page Speed

5.6 MB

172 requests

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

ATP Tour, Inc.

CDN

Cloudflare

Detected API Sources

//apv-launcher.minute-ly.com/a...

Technology Stack

11 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Crazy Egg

Advertising

Google Ads TikTok Pixel

CSS Frameworks

Fonts

Tag Managers

CDN

Customer Support

SEO Analysis

B70/100

atptour.comatptour.com

Official Site of Men's Professional Tennis | ATP Tour | Tennis

Featuring tennis live scores, results, stats, rankings, ATP player and tournament information, news, video highlights & more from men's professional ...

Description truncated.

Title Length62 chars

Recommended: 50-60 chars

Description Length181 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

Upgrade to view details

Sponsored

Security Score

71%Good

Interactive

HTTPS

WAF

212d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

14.08.2025

Valid Until

14.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.atptour.comatptour.com

SHA-256 Fingerprint

2F:F5:B2:5E:C9:51:ED:94:F3:0C:A4:0E:C4:99:5B:46:B8:4D:73:56...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

date

Sat, 14 Feb 2026 14:33:49 GMT

content-type

text/html; charset=utf-8

content-encoding

📦 Gzip(gzip)

cf-ray🇩🇪 Frankfurt

9cdd4865de72d366-FRA

cf-cache-status

HIT

age

234

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

atptour-com.mail.protection.outlook.com

Domain Information

atptour.com

Domain Age

30y 9m

Created

23.05.1995

Expires

24.05.2027

Last Updated

07.04.2025

Registrar

Network Solutions, LLC

DNSSEC

Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner

OneTrust

GDPR Indicators

Cookie consent banner detected

CMP: OneTrust

Data Protection Officer mentioned

Typography & Readability

creato_displayregular + creato_displaymedium

48/100

Readability

/30

12/40

13px · LH 1.23

Hierarchy

/20

18/25

2.46x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

creato_displayregular

Sans32px

Body Font

creato_displaymedium

Sans13px

Contrast Ratio

Reading Comfort

~74 CPL

Optimal (45–75)

32px

24px

13px

❌ Critical: 13px body text is too small. Increase to at least 14px.

✅ Strong hierarchy: Headlines are 2.5x larger than body text.

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

✅ Protected text on images: Using gradient for readability.

✅ Optimal line length: ~74 characters per line is comfortable to read.

⚠️ Cramped layout: 59 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

Crazy EggSMB

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

16 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(3)cdn.cookielaw.org(2)securepubads.g.doubleclick.net(2)sb.scorecardresearch.com(1)script.crazyegg.com(1)

Website Identity

Facebook X (Twitter)Instagram YouTube TikTok

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Last analyzed: 14 Feb 2026 at 14:34

Historical Analysis & Change Tracking