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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fansided.com

https://fansided.com· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

fansided.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

65.8.131.37

Server Location

🇩🇪 Frankfurt am Main, Germany

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

CloudFront

CDN

CloudFront

Nameservers

coco.ns.cloudflare.com.art.ns.cloudflare.com.

Performance

Page Speed

3 KB

65 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Tailwind CSS

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

CloudFront

Progressive Web App

Service WorkerTheme Color

Technology Stack

7 Technologies Detected

Analytics

Meta Frameworks

CSS Frameworks

Fonts

Tag Managers

CDN

SEO Analysis

A82/100

fansided.comfansided.com

FanSided Sports News & Updates: NFL, NBA, MLB, College & More

FanSided - Your go-to source for sports, entertainment, and lifestyle. Stay updated on news, analysis, and fandom across a range of topics.

Title Length61 chars

Recommended: 50-60 chars

Description Length139 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (43/45)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

70 URLs

robots.txt

57 rules

Sitemap reference found

Sponsored

Security Score

26%Critical

Interactive

HTTPS

No WAF

388d

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

14.02.2026

Valid Until

15.03.2027

OCSP Stapling

Enabled

Subject Alternative Names (1)

fansided.com

SHA-256 Fingerprint

7A:48:98:78:59:40:78:39:FB:11:84:3A:0D:82:8A:70:AC:AE:2D:2D...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cache-control

🟡 60s(max-age=60, stale-if-error=2592000, stale-while-revalidate=6...)

content-encoding

📦 Gzip(gzip)

content-type

text/html

date

Fri, 20 Feb 2026 11:46:02 GMT

etag

W/463045a23af88138173c0d42268b6be42eddc40db8112de07268c5d199...

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (5)

aspmx2.googlemail.com

aspmx3.googlemail.com

alt2.aspmx.l.google.com

aspmx.l.google.com

+1 more

Domain Information

fansided.com

Domain Age

18y 8m

Created

28.06.2007

Expires

28.06.2028

Last Updated

04.09.2022

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Data Protection Officer mentioned

Typography & Readability

Public Sans

75/100

Readability

/30

20/40

12px · LH 1.50

Hierarchy

/20

25/25

3x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

Public Sans

Sans36px

Body Font

Public Sans

Sans12px

Contrast Ratio

Reading Comfort

~52 CPL

Optimal (45–75)

36px

20px

16px

12px

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 3.0x larger than body text.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

✅ 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.

GGoogle Fonts Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

6 Resources

Scripts

Styles

Async

Defer

Top Script Sources

geolocation.onetrust.com(1)cdn-ukwest.onetrust.com(1)cdn.cookielaw.org(1)assets.minutemediacdn.com(1)

Website Identity

Facebook X (Twitter)Instagram YouTube

Sponsored

Last analyzed: 20 Feb 2026 at 11:46

Historical Analysis & Change Tracking