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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distrokid.com

https://distrokid.com· First analyzed 15 Feb 2026· Updated 15 Feb 2026

Export

distrokid.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.18.18.179

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

anuj.ns.cloudflare.com.evelyn.ns.cloudflare.com.

Performance

Page Speed

2.2 MB

130 requests

Image Optimization

WebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

20 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Segment Sentry

Advertising

Google Ads Google AdSense TikTok Pixel Microsoft Advertising Taboola

Libraries

Other

CSS Frameworks

Icon Libraries

Fonts

Tag Managers

Customer Support

Other

CDN

SEO Analysis

A+96/100

distrokid.comdistrokid.com

DistroKid: Music Distribution Services

Release your music fast on Spotify, Apple, TikTok, YouTube & 150+ global platforms. Unlimited uploads. Keep 100% of your royalties. Stay independent.

Title Length38 chars

Recommended: 50-60 chars

Description Length149 chars

Recommended: 120-160 chars

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

WAF

66d

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

22.01.2026

Valid Until

22.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (3)

distrokid.com*.distrokid.com*.email.distrokid.com

SHA-256 Fingerprint

78:A8:8D:6D:7E:D8:78:5C:CF:D0:CC:0E:47:0E:79:7F:64:32:8E:B7...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cf-cache-status

DYNAMIC

cf-ray🇩🇪 Frankfurt

9ce0c6b68f0b18e9-FRA

content-encoding

⚡ Brotli(br)

content-type

text/html;charset=UTF-8

date

Sun, 15 Feb 2026 00:44:21 GMT

server

cloudflare

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (5)

alt1.aspmx.l.google.com

aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx3.googlemail.com

+1 more

Domain Information

distrokid.com

Domain Age

12y 10m

Created

26.03.2013

Expires

26.03.2031

Last Updated

13.08.2025

Registrar

MarkMonitor Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Osano

Cookie Consent Banner

Osano

GDPR Indicators

Cookie consent banner detected

CMP: Osano

Data Protection Officer mentioned

Typography & Readability

Inter + sans-serif

78/100

Readability

/30

30/40

18px · LH --

Hierarchy

/20

25/25

3.33x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Inter

Sans60px

Body Font

sans-serif

Sans18px

Contrast Ratio

Reading Comfort

~33 CPL

Needs attention

60px

24px

15px

18px

✅ Excellent readability: 18px body text is ideal for all devices.

✅ Strong hierarchy: Headlines are 3.3x larger than body text.

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

✅ 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.

⚠️ Cramped layout: 72 elements lack adequate spacing.

GGoogle Fonts Buy on MyFonts

Business & Marketing Stack

11 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

SegmentEnterprise

User behavior and product analytics

Advertising

Facebook PixelMid-Market

TikTok PixelMid-Market

Microsoft AdsEnterprise

TaboolaMid-Market

Reddit PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

OsanoMid-Market

Cookie consent and privacy compliance tools

Social Media

Facebook SDKFree

Social widgets and sharing tools

A/B Testing & Optimization

OptimizelyEnterprise

Experimentation and conversion optimization

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(3)cdn.segment.com(2)analytics.tiktok.com(2)connect.facebook.net(2)local(2)

Website Identity

distrokid.com

12 years old

MarkMonitor Inc.📧 Google Workspace

Social Profiles

Facebook X (Twitter)Instagram Bluesky

Sponsored

Last analyzed: 15 Feb 2026 at 00:44

Historical Analysis & Change Tracking