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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nintendo-master.com

https://nintendo-master.com· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

nintendo-master.com

Sponsored

Hosting Provider

OVHcloud

ovhcloud.com

IP Address

91.121.136.67

Server Location

🇫🇷 Roubaix, France

ASN

AS16276

Organization

OVH SAS

Server

Apache

Nameservers

ns16.ovh.net.dns16.ovh.net.

Performance

Page Speed

1015 KB

65 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Framework

jQuery

Styling

Bootstrap

Infrastructure

Hosting

OVHcloud

Technology Stack

14 Technologies Detected

Advertising

Google Ads Google AdSense Criteo Outbrain

CSS Frameworks

Bootstrap

Tailwind CSS

Icon Libraries

Font Awesome Material Icons

Analytics

Libraries

Fonts

Payments

Web Servers

SEO Analysis

B70/100

nintendo-master.comnintendo-master.com

Nintendo-Master: Toute l'actualité de Nintendo et de la Nintendo Sw...

Nintendo-master.com Toute l'actualité Nintendo : Switch, 3DS, amiibo, Zelda, Mario - 2003-2024

Title truncated.

Title Length71 chars

Recommended: 50-60 chars

Description Length94 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

2 rules

Allows all crawlers

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

64d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

26.01.2026

Valid Until

26.04.2026

Subject Alternative Names (1)

www.nintendo-master.com

SHA-256 Fingerprint

47:4C:9F:B4:DA:A1:9E:94:47:97:07:F3:AD:8D:5A:3E:ED:44:5A:D1...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-cache, private, max-age=7200)

connection

Upgrade, Keep-Alive

content-encoding

📦 Gzip(gzip)

content-length

17288

content-type

text/html; charset=UTF-8

date

Fri, 20 Feb 2026 11:42:12 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

MX Records (7)

alt2.aspmx.l.google.com

aspmx.l.google.com

aspmx4.googlemail.com

aspmx5.googlemail.com

+3 more

Domain Information

nintendo-master.com

Domain Age

20y 10m

Created

08.04.2005

Expires

08.04.2026

Last Updated

09.10.2025

Registrar

OVH sas

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

Legitimate interest basis mentioned

Typography & Readability

Open Sans + Lucida Grande

44/100

Readability

/30

24/40

14px · LH 1.30

Hierarchy

/20

15/25

1.29x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Open Sans

Sans18px

Body Font

Lucida Grande

Sans14px

Contrast Ratio

Reading Comfort

~41 CPL

Needs attention

18px

17px

18px

14px

Minor Second

Scale

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

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Good performance: Using 2 font families keeps load times fast.

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

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

✅ Clean layout: Consistent left alignment throughout.

GGoogle Fonts

Business & Marketing Stack

4 Tools Detected

Enterprise

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Ad platforms and retargeting pixels

Privacy & Cookies

Quantcast ChoiceMid-Market

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

23 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(4)nintendo-master.com(3)pagead2.googlesyndication.com(2)fundingchoicesmessages.google.com(2)api.iconify.design(2)

Website Identity

Facebook X (Twitter)YouTube Discord

Sponsored

Last analyzed: 20 Feb 2026 at 11:42

Historical Analysis & Change Tracking