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.

Back to Search

walmart.com

https://walmart.com· First analyzed 10 Feb 2026· Updated 10 Feb 2026

Export

walmart.com

Mobile

Sponsored

Hosting Provider

Akamai Technologies

IP Address

95.100.176.230

Server Location

🇸🇪 Stockholm, Sweden

ASN

AS16625

Nameservers

a5-65.akam.net.a8-66.akam.net.a1-185.akam.net.a10-66.akam.net.+8 more

Performance

Page Speed

3.4 MB

250 requests

0–49

50–89

90–100

Architecture Stack

Hybrid

🔀 Hybrid

Frontend

Framework

Next.js

Infrastructure

Hosting

Akamai Technologies

Technology Stack

14 Technologies Detected

Frameworks

React

Angular

Svelte

Analytics

Facebook Pixel FullStory

Advertising

Payments

Meta Frameworks

Other

CSS Frameworks

Fonts

Customer Support

SEO Analysis

A82/100

walmart.comwalmart.com

Walmart | Save Money. Live better.

Shop Walmart.com today for Every Day Low Prices. Join Walmart+ for unlimited free delivery from your store and free shipping with no order minimum. Start you...

Description truncated.

Title Length34 chars

Recommended: 50-60 chars

Description Length181 chars

Recommended: 120-160 chars

Issues (0)

3 issues found

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Sponsored

Security Score

40%Poor

Critical / Transactional

HTTPS

No WAF

45d

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

accept-ch

Downlink, DPR

accept-ranges

bytes

cache-control

🔴 No Cache(max-age=0, no-cache, no-store)

cache-status

Hit

content-encoding

📦 Gzip(gzip)

content-length

171483

Good Warning Issue

Typography & Readability

EverydaySans

72/100

Readability

/30

24/40

14px · LH 2.00

Hierarchy

/20

25/25

2.29x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

EverydaySans

Sans32px

Body Font

EverydaySans

Sans14px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

32px

24px

14px

⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

✅ Strong hierarchy: Headlines are 2.3x larger than body text.

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

✅ Consistent design: Single font family with weight variations is a modern best practice.

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 90 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

i5.walmartimages.com(19)local(1)

Website Identity

walmart.com

Sponsored

Last analyzed: 10 Feb 2026 at 23:44

Historical Analysis & Change Tracking