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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ussoccer.com

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

Export

ussoccer.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

108.156.22.103

Server Location

🇮🇪 Dublin, Ireland

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

CDN

CloudFront

Nameservers

ns-676.awsdns-20.net.ns-1350.awsdns-40.org.ns-1641.awsdns-13.co.uk.ns-388.awsdns-48.com.

Performance

Page Speed

3.6 MB

225 requests

0–49

50–89

90–100

Architecture Stack

JAMstack

🔀 Hybrid

Decoupled

Frontend

Framework

Next.js

Styling

Tailwind CSS

API

Data Source

Headless CMS

Sanity

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

CloudFront

Detected API Sources

https://cdn.sanity.io/images/o...

Technology Stack

16 Technologies Detected

Advertising

Google Ads Twitter Ads LinkedIn Ads TikTok Pixel Snapchat Pixel

Analytics

Meta Frameworks

Other

CSS Frameworks

Icon Libraries

Tag Managers

Payments

Customer Support

SEO Analysis

B72/100

ussoccer.comussoccer.com

U.S. Soccer Official Website | USWNT & USMNT

Welcome to the home of U.S. Soccer, where you can find the latest USMNT and USWNT soccer news, rosters, tournament results, scoring highlights and much more.

Title Length44 chars

Recommended: 50-60 chars

Description Length157 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

3 issues found

Upgrade to view details

Sponsored

Security Score

55%Poor

Critical / Transactional

HTTPS

No WAF

75d

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+H3

Valid From

06.04.2025

Valid Until

05.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.ussoccer.comussoccer.com

SHA-256 Fingerprint

ED:C6:A9:3C:A1:92:96:9A:6F:6F:C0:B7:5E:DD:BA:5B:60:D9:03:99...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🔴 No Cache(no-store)

content-encoding

📦 Gzip(gzip)

content-security-policy

default-src * 'unsafe-inline' 'unsafe-eval' data: blob:; s...

content-type

text/html; charset=utf-8

date

Thu, 19 Feb 2026 18:18:34 GMT

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

ussoccer-com.mail.protection.outlook.com

Domain Information

ussoccer.com

Domain Age

29y 2m

Created

20.12.1996

Expires

10.06.2029

Last Updated

22.09.2022

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Osano

Cookie Consent Banner

Osano

GDPR Indicators

Cookie consent banner detected

CMP: Osano

Typography & Readability

USSF90MinDisplay + USSF90MinText

61/100

Readability

/30

32/40

16px · LH 1.25

Hierarchy

/20

8/25

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

USSF90MinDisplay

Sans

Body Font

USSF90MinText

Sans16px

Contrast Ratio

Reading Comfort

~34 CPL

Needs attention

30px

16px

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

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

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 40 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

11 Tools Detected

Enterprise

Behavior Analytics

HotjarMid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Twitter/X AdsMid-Market

LinkedIn AdsEnterprise

AdRollMid-Market

Snapchat PixelMid-Market

TikTok PixelMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

OsanoMid-Market

Cookie consent and privacy compliance tools

Social Media

Twitter/X WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

connect.facebook.net(6)googletagmanager.com(5)local(2)sb.scorecardresearch.com(1)js.appboycdn.com(1)

Website Identity

Facebook X (Twitter)Instagram TikTok

Sponsored

Last analyzed: 19 Feb 2026 at 18:19

Historical Analysis & Change Tracking