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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alibabagroup.com

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

Export

alibabagroup.com

Sponsored

Hosting Provider

Alibaba Cloud

alibabacloud.com

IP Address

47.246.173.142

Server Location

🇸🇬 Singapore, Singapore

ASN

AS45102

Organization

Alibaba.com LLC

Server

Tengine

CDN

Nameservers

ns1.alibabadns.com.ns2.alibabadns.com.

Performance

Page Speed

2.7 MB

11 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Alibaba Cloud

CDN

Technology Stack

2 Technologies Detected

CSS Frameworks

Tailwind CSS

Web Servers

Tengine

SEO Analysis

D47/100

alibabagroup.comalibabagroup.com

Alibaba Group Official Website

Alibaba Group’s mission is to make it easy to do business anywhere. We enable businesses to transform the way they market, sell and operate and improve their...

Description truncated.

Title Length30 chars

Recommended: 50-60 chars

Description Length408 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag - every page should have one H1

6 issues found

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Security Score

76%Good

Static / Informational

HTTPS

No WAF

55d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

12.03.2025

Valid Until

13.04.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.alibabagroup.comalibabagroup.com

SHA-256 Fingerprint

0D:0C:14:17:BD:95:FB:26:58:4E:39:9D:2A:60:BE:36:11:48:CF:BF...

Recommendations

Security recommendation preview

Upgrade to view recommendations

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HTTP Headers

Developer Console

access-control-expose-headers

Date,x-fc-request-id,x-fc-error-type,x-fc-code-checksum,x-fc...

age

416

ali-swift-global-savetime

1771283269

content-encoding

zstd

content-length

1069439

content-type

text/html; charset=utf-8

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mxw.mxhichina.com

mxn.mxhichina.com

Domain Information

alibabagroup.com

Domain Age

18y 11m

Created

10.03.2007

Expires

10.03.2030

Last Updated

05.12.2025

Registrar

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

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

AlibabaPuHuiTi

48/100

Readability

/30

32/40

18px · LH 2.00

Hierarchy

/20

8/25

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

AlibabaPuHuiTi

Body Font

AlibabaPuHuiTi

Sans18px

Contrast Ratio

Reading Comfort

~46 CPL

Optimal (45–75)

18px

✅ Excellent readability: 18px body text is ideal for all devices.

✅ Good performance: Using 1 font families keeps load times fast.

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

✅ Optimal line length: ~46 characters per line is comfortable to read.

✅ Clean layout: Consistent left alignment throughout.

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Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

2 Resources

Scripts

Styles

Async

Defer

Top Script Sources

assets.alibabagroup.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn

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Last analyzed: 16 Feb 2026 at 23:15

Historical Analysis & Change Tracking