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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coachella.com

https://coachella.com· First analyzed 19 Feb 2026· Updated 19 Feb 2026

Export

coachella.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

18.245.175.70

Server Location

🇫🇷 Paris, France

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

Nginx

CDN

CloudFront

Nameservers

pdns73.ultradns.net.pdns73.ultradns.org.pdns73.ultradns.biz.pdns73.ultradns.com.

Performance

Page Speed

132 KB

117 requests

Image Optimization

WebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

CloudFront

Technology Stack

12 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel

Advertising

Google Ads TikTok Pixel Snapchat Pixel

CSS Frameworks

Libraries

UI Components

Tag Managers

Web Servers

SEO Analysis

B70/100

coachella.comcoachella.com

Coachella Valley Music & Arts Festival

See you in the desert. April 10-12 & April 17-19, 2026.

Title Length38 chars

Recommended: 50-60 chars

Description Length59 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

57 URLs

robots.txt

Sponsored

Security Score

21%Critical

Interactive

HTTPS

No WAF

126d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

28.05.2025

Valid Until

25.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

coachella.com*.coachella.com

SHA-256 Fingerprint

B5:D9:4F:B7:0A:DB:66:23:9C:AA:6C:CB:9A:43:1A:D8:2F:B8:0C:5C...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

age

31808

content-encoding

📦 Gzip(gzip)

content-type

text/html

date

Thu, 19 Feb 2026 14:11:36 GMT

etag

W/"6994f950-36f74"

last-modified

Tue, 17 Feb 2026 23:27:12 GMT

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

coachella-com.mail.protection.outlook.com

Domain Information

coachella.com

Domain Age

29 years

Created

13.02.1997

Expires

14.02.2027

Last Updated

21.01.2026

Registrar

GoDaddy.com, 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

Perfectly Nineties + Funnel Sans

78/100

Readability

/30

32/40

20px · LH 1.35

Hierarchy

/20

25/25

4x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Perfectly Nineties

Sans80px

Body Font

Funnel Sans

Sans20px

Contrast Ratio

Reading Comfort

Dual Sans-Serif

left aligned

80px

42px

20px

✅ Excellent readability: 20px body text is ideal for all devices.

✅ Strong hierarchy: Headlines are 4.0x larger than body text.

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

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 10 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

8 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

TikTok PixelMid-Market

Reddit PixelMid-Market

Snapchat PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(8)analytics.tiktok.com(5)connect.facebook.net(2)redditstatic.com(1)pixel.byspotify.com(1)

Website Identity

Facebook Instagram YouTube TikTok Pinterest Discord

Sponsored

Last analyzed: 19 Feb 2026 at 23:01

Historical Analysis & Change Tracking