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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dolby.com

https://dolby.com· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

dolby.com

Sponsored

Hosting Provider

Episerver Stockholm

IP Address

217.114.94.2

Server Location

🇸🇪 Stockholm, Sweden

ASN

AS30811

Organization

Episerver Stockholm

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns-743.awsdns-28.net.ns-1205.awsdns-22.org.ns-1692.awsdns-19.co.uk.ns-331.awsdns-41.com.

Performance

Page Speed

3.6 MB

41 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Optimizely CMS (Episerver)

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

10 Technologies Detected

Icon Libraries

Font Awesome Material Icons

Analytics

Libraries

CSS Frameworks

Tag Managers

Other

CDN

Customer Support

SEO Analysis

A82/100

dolby.comdolby.com

Ton-, Bild- und Displaytechnologie - Dolby - Dolby

Dolby entwickelt Audio-, Bild- und Sprachtechnologien für Film, TV, Musik und Spiele. Erleben Sie alles mit beeindruckendem Klang und atemberaubendem Bild

Title Length50 chars

Recommended: 50-60 chars

Description Length155 chars

Recommended: 120-160 chars

Issues (0)

1 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

1 rules

Allows all crawlers

Sponsored

Security Score

26%Critical

Interactive

HTTPS

WAF

214d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

COMODO CA Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

18.09.2025

Valid Until

18.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (17)

www.dolby.comdeveloper.dolby.comdolby.comevents.dolby.comexperience.dolby.comgames.dolby.comhelix.dolby.comindustry.dolby.com+9 more

SHA-256 Fingerprint

F2:33:7F:EE:29:FD:5D:33:34:22:84:E3:06:C4:04:EB:F4:6C:67:8D...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

api-supported-versions

1.0

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9cee652c2b123038-FRA

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (4)

mx0b-000fd501.pphosted.com

mxa-000fd501.gslb.pphosted.com

mxb-000fd501.gslb.pphosted.com

mx0a-000fd501.pphosted.com

Domain Information

dolby.com

Domain Age

34y 3m

Created

20.11.1991

Expires

19.11.2027

Last Updated

18.10.2025

Registrar

MarkMonitor Inc.

DNSSEC

Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner

OneTrust

GDPR Indicators

Cookie consent banner detected

CMP: OneTrust

Data Protection Officer mentioned

Typography & Readability

AvenirNext-DemiBold + AvenirNextLTPro-Medium

58/100

Readability

/30

32/40

16px · LH 2.00

Hierarchy

/20

25/25

5x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

AvenirNext-DemiBold

Sans80px

Body Font

AvenirNextLTPro-Medium

Sans16px

Contrast Ratio

Reading Comfort

~36 CPL

Needs attention

80px

48px

12px

16px

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

✅ Strong hierarchy: Headlines are 5.0x 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.

⚠️ Risky: Text appears on background images without overlay protection.

⚠️ Cramped layout: 12 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

4 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

A/B Testing & Optimization

OptimizelyEnterprise

Experimentation and conversion optimization

Sponsored

Scripts & Styles

15 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(5)googletagmanager.com(1)gstatic.com(1)js.appboycdn.com(1)cdn.cookielaw.org(1)

Website Identity

Facebook Instagram YouTube

Sponsored

Last analyzed: 16 Feb 2026 at 16:24

Historical Analysis & Change Tracking