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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americastestkitchen.com

https://americastestkitchen.com· First analyzed 19 Feb 2026· Updated 19 Feb 2026

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Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

52.223.46.195

Server Location

🇨🇦 Montreal, Canada

ASN

AS16509

Organization

AWS Global Accelerator (GLOBAL)

Server

Heroku

Nameservers

ns1.p09.dynect.net.ns2.p09.dynect.net.ns3.p09.dynect.net.ns4.p09.dynect.net.

Performance

Page Speed

4.2 MB

147 requests

Image Optimization

Lazy LoadWebPResponsiveCloudinary

0–49

50–89

90–100

Architecture Stack

Hybrid

⚙️ SSR

Frontend

Framework

Next.js

CMS

HubSpot CMS

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

Cloudinary

Technology Stack

31 Technologies Detected

Analytics

Amplitude Heap Analytics Matomo FullStory PostHog Segment Heap

Advertising

Google Ads Pinterest Tag TikTok Pixel Microsoft Advertising

Fonts

Google Fonts Adobe Fonts (Typekit)Adobe Fonts

Other

Meta Frameworks

Libraries

Other

CSS Frameworks

Icon Libraries

Tag Managers

Customer Support

Marketing

Email Marketing

Platforms

SEO Analysis

C67/100

americastestkitchen.comamericastestkitchen.com

The Best Recipes & Insights from Home Cooking Experts | America's T...

Find the best recipes, reviews, and insights from the home cooking experts at America's Test Kitchen, Cook's Illustrated, and Cook's Country.

Title truncated.

Title Length78 chars

Recommended: 50-60 chars

Description Length141 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag - every page should have one H1
• Many images missing alt text (161/173)

3 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

12 URLs

robots.txt

66 rules

Sitemap reference found

Sponsored

Security Score

36%Critical

Interactive

HTTPS

No WAF

179d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Network Solutions L.L.C.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

17.07.2025

Valid Until

17.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.americastestkitchen.comamericastestkitchen.com

SHA-256 Fingerprint

AD:9A:C2:50:AB:C9:B6:C9:C7:D9:E9:D3:8F:DF:9C:05:88:1D:FA:DD...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

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

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=utf-8

date

Thu, 19 Feb 2026 14:08:10 GMT

etag

W/"f2qolwzrgesn6m"

nel

{"report_to":"heroku-nel","response_headers":["Via"],"max_ag...

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx2.googlemail.com

aspmx3.googlemail.com

+1 more

Domain Information

americastestkitchen.com

Domain Age

26y 9m

Created

11.05.1999

Expires

11.05.2029

Last Updated

11.03.2024

Registrar

Network Solutions, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Moret + Helvetica

49/100

Readability

/30

25/40

16px · LH 1.00

Hierarchy

/20

8/25

WCAG

/25

11/15

Contrast: undefined

Performance

/25

10/20

4 fonts

Heading Font

Moret

Serif

Body Font

Helvetica

Sans16px

Contrast Ratio

Reading Comfort

~38 CPL

Needs attention

26px

14px

26px

16px

Minor Third

Scale

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

⚠️ Tight line spacing (1.00). Consider 1.4-1.6 for better readability.

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

⚠️ Cramped layout: 339 elements lack adequate spacing.

✅ Clean layout: Consistent left alignment throughout.

AAdobe Fonts Buy on MyFonts

Business & Marketing Stack

5 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OsanoMid-Market

Cookie consent and privacy compliance tools

A/B Testing & Optimization

VWO (Visual Website Optimizer)Mid-Market

Experimentation and conversion optimization

Reviews & Social Proof

TrustpilotMid-Market

Customer reviews and testimonials

Sponsored

Scripts & Styles

25 Resources

Scripts

Styles

Async

Defer

Top Script Sources

espresso-assets(11)googletagmanager.com(2)local(2)scripts.postie.com(1)cdn.parsely.com(1)

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Last analyzed: 19 Feb 2026 at 14:08

Historical Analysis & Change Tracking