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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17track.net

https://17track.net· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

17track.net

Sponsored

Hosting Provider

Aceville Pte.ltd

IP Address

43.132.140.121

Server Location

🇭🇰 Hong Kong, Hong Kong

ASN

AS132203

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns3.dnsv4.com.ns4.dnsv4.com.

Performance

Page Speed

1.2 MB

83 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Hybrid

⚙️ SSR

Frontend

Framework

Next.js

Styling

Tailwind CSS

CMS

WordPress

Infrastructure

Hosting

Aceville Pte.ltd

CDN

Cloudflare

Technology Stack

17 Technologies Detected

Advertising

Google Ads Criteo Taboola Outbrain

Icon Libraries

Font Awesome Material Icons

Analytics

Frameworks

Meta Frameworks

CSS Frameworks

Fonts

Payments

Social

Comments

CDN

Customer Support

SEO Analysis

A+94/100

17track.net17track.net

All in one global package tracking | 17TRACK

17TRACK supports tracking for 3100+ carriers, including USPS, UPS, FedEx, and DHL. Enter your tracking number to get 99.9% accuracy and real-time updates.

Title Length44 chars

Recommended: 50-60 chars

Description Length154 chars

Recommended: 120-160 chars

Issues (0)

1 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

1,292 URLs

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

WAF

27d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

17.03.2025

Valid Until

16.03.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.17track.net17track.net

SHA-256 Fingerprint

51:74:78:18:E7:73:7A:5F:D2:E4:60:16:05:CA:C0:D6:0B:9F:0E:2D...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

1073

alt-svc

h3=":443"; ma=86400

cache-control

🔵 Public(public)

cf-cache-status

HIT

cf-ray🇳🇱 Amsterdam

9cf6190a8d0efeb1-AMS

content-encoding

📦 Gzip(gzip)

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mxbiz1.qq.com

mxbiz2.qq.com

Domain Information

17track.net

Domain Age

14y 11m

Created

09.03.2011

Expires

09.03.2029

Last Updated

01.05.2025

Registrar

Alibaba Cloud Computing Ltd. d/b/a HiChina (www.net.cn)

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

Data Protection Officer mentioned

Legitimate interest basis mentioned

Typography & Readability

-apple-system

90/100

Readability

/30

40/40

16px · LH 1.50

Hierarchy

/20

25/25

2.25x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

20/20

System fonts

Heading Font

-apple-system

Sans36px

Body Font

-apple-system

Sans16px

Contrast Ratio

Reading Comfort

~37 CPL

Needs attention

36px

40px

36px

16px

Minor Second

Scale

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

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.2x 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

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

24 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(14)googletagmanager.com(3)res.17track.net(2)17track.net(1)

Website Identity

Facebook X (Twitter)

Sponsored

Last analyzed: 17 Feb 2026 at 14:50

Historical Analysis & Change Tracking