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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bittorrent.com

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

Export

bittorrent.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

34.201.157.226

Server Location

🇺🇸 Ashburn, United States

ASN

AS14618

Organization

AWS EC2 (us-east-1)

Server

AmazonS3

CDN

CloudFront

Nameservers

ns16.utorrent.com.ens-06.bittorrent.com.dns-03.bittorrent.com.ns3.utorrent.com.+2 more

Performance

Page Speed

1.9 MB

36 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Hybrid

⚡ SSG

Frontend

Framework

Gatsby

Styling

Tailwind CSS

CMS

OpenCart

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

CloudFront

Technology Stack

7 Technologies Detected

Analytics

Meta Frameworks

Other

CSS Frameworks

Icon Libraries

Tag Managers

SEO Analysis

A82/100

bittorrent.combittorrent.com

BitTorrent | The World's Most Popular Torrent Client

BitTorrent is a leading software company with popular torrent client software for Windows, Mac, Android, and more. Download now.

Title Length52 chars

Recommended: 50-60 chars

Description Length128 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

1 URLs

robots.txt

11 rules

Sitemap reference found

Sponsored

Security Score

56%Poor

Interactive

HTTPS

WAF

270d

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

16.10.2025

Valid Until

13.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (3)

*.bittorrent.combittorrent.comwww.bittorrent.com

SHA-256 Fingerprint

CF:07:95:59:61:D8:E8:C7:63:75:C1:DE:9A:69:F1:78:0F:52:55:ED...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

594212

cloudfront-viewer-country

content-encoding

📦 Gzip(gzip)

content-security-policy

frame-ancestors 'self' https://*.trontv.com https://rainberr...

content-type

text/html

date

Mon, 09 Feb 2026 19:54:47 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (7)

ASPMX5.GOOGLEMAIL.com

ASPMX2.GOOGLEMAIL.com

ASPMX3.GOOGLEMAIL.com

ALT2.ASPMX.L.GOOGLE.com

+3 more

Domain Information

bittorrent.com

Domain Age

24y 6m

Created

13.08.2001

Expires

13.08.2026

Last Updated

13.08.2025

Registrar

NetEarth One Inc. d/b/a NetEarth

DNSSEC

Not Enabled

Privacy & Compliance

Didomi

Cookie Consent Banner

Didomi

GDPR Indicators

Cookie consent banner detected

CMP: Didomi

Typography & Readability

inter + Arial

52/100

Readability

/30

20/40

13px · LH 1.50

Hierarchy

/20

25/25

4.68x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

inter

Sans61px

Body Font

Arial

Sans13px

Contrast Ratio

Reading Comfort

~52 CPL

Optimal (45–75)

61px

48px

13px

❌ Critical: 13px body text is too small. Increase to at least 14px.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 4.7x larger than body text.

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

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

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

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

11 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(5)sdk.privacy-center.org(2)googletagmanager.com(2)

Website Identity

Facebook X (Twitter)Instagram

Sponsored

Last analyzed: 16 Feb 2026 at 16:58

Historical Analysis & Change Tracking