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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.

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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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aldoshoes.com

https://aldoshoes.com· First analyzed 25 Apr 2026· Updated 25 Apr 2026

Export

aldoshoes.com

Mobile

Sponsored

Hosting Provider

Shopify

shopify.com

IP Address

23.227.38.65

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Ottawa, Canada

ASN

AS13335

Organization

Shopify, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns-2000.awsdns-58.co.uk.ns-504.awsdns-63.com.ns-713.awsdns-25.net.ns-1336.awsdns-39.org.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.1 s10%

Speed Index

1.5 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

27.2 MB

308 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Shopify

ecommerce

04/16/26 - The Summer Edit V1

Shopify Theme

Detected Apps

KlaviyoInstagram ShoppingPinterestTikTok

Technology Stack

10 Technologies Detected

Analytics

Other

UI Components

CSS Frameworks

Fonts

Tag Managers

Email Marketing

CDN

Security

SEO Analysis

B75/100

Meta Tags15/15

Content8/12

Headings3/8

Technical24/25

E-E-A-T2/7

Images4/7

Links5/5

URL5/5

Social5/5

Freshness0/4

Mobile1/4

Indexability3/3

aldoshoes.comaldoshoes.com

ALDO | ALDO Shoes, Boots, Sandals, Handbags & Accessories

The ultimate destination for on-trend footwear, bags and accessories for women and men. ALDO gives you the confidence to own every step in style and comfort.

Title Length57 chars

Recommended: 50-60 chars (~345px / 580px)

Description Length157 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag — every page should have exactly one H1

7 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

18 URLs

18 sub-sitemaps

robots.txt

166 rules

Sitemap reference found

Local SEO

Local Search Readiness

30/100

Needs Work

8 10

Sponsored

AI & LLM Readiness

D46/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

8/25

Citation

11/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:1%

Words:1,020

Token eff.:Optimal

Structured Data

4 JSON-LD

Organization×1.1WebSiteBreadcrumbListSearchAction

sameAs entity links

Citation Readiness

Opening Summary15w

Descriptive Headingsavg 2w

Canonical URL

Open Graph2/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (12)

AI readiness recommendation preview...

Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

73/100

Passed

Critical

Warnings

Images & Alt Text

8/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

13/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

15/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

15/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

7/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

3 recommendations

•Accessibility recommendation preview...

Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

42/100

2.82 g

CO₂e / view

27.2 MB

Page Weight

Cleaner Than

New Visitor

3.22 g

Returning (cached)

1.61 g

Annual (10K/mo)

338.1 kg

Emission Segments

Data Center

138 mg

Network

828 mg

Device

1.85 g

Resource Breakdown

JavaScript

1.3 MB

Images

1.9 MB

CSS

120.4 KB

Fonts

25.8 KB

HTML

82.6 KB

Other

23.9 MB

Green Hosting Verified

Cloudflare

GWF Verified

7 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

81%Very Good

Interactive

HTTPS

WAF

85d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

21.04.2026

Valid Until

20.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.aldoshoes.com

SHA-256 Fingerprint

31:65:A2:F3:A1:AE:B2:E7:D9:F2:45:F0:C7:46:7E:17:76:8F:57:D4...

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray

9f1cf2dadec92523-SJC

content-encoding

⚡ Brotli(br)

content-language

en-US

content-length

84244

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

alt4.aspmx.l.google.com

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

alt3.aspmx.l.google.com

+1 more

Domain Information

aldoshoes.com

Domain Age

30y 2m

Created

03.02.1996

Expires

04.02.2027

Last Updated

03.01.2026

Registrar

MarkMonitor Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner

Cookiebot

GDPR Indicators

Cookie consent banner detected

CMP: Cookiebot

Data Protection Officer mentioned

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

81/100

Mobile Friendly7 breakpoints

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width,initial-scale=1

1 recommendation

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Jost + Times New Roman

WCAG Partial

52/100

Readability

/30

18/30

16px · LH 1.00

Hierarchy

/20

8/20

WCAG

/25

12/25

1:1 min contrast

Performance

/25

14/25

System fonts

Heading Font

Jost

Sans

Body Font

Times New Roman

Serif16px

Contrast Ratio

1:1

7 issues

Reading Comfort

~40 CPL

Narrow lines

52px

22px

20px

16px

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

⚠️ Tight line spacing (1.00). Increase to 1.4–1.6 for better readability.

⚠️ Partial contrast: 7 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

✅ System fonts: Zero font loading delay — best possible LCP impact.

GGoogle FontsFluid TypeFlesch 54

Color Palette

8 unique colors

19.44:1 AAA Dark

#0d0d0d

Background· 17.5%

#ffffff

Background· 16.4%

#282421

Primary· 19.4%

#463933

Secondary· 18.700000000000003%

Business & Marketing Stack

4 Tools Detected

Enterprise

Marketing Automation

KlaviyoE-commerce

Email marketing and automation platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

aldoshoes.com(10)googletagmanager.com(5)cdn.attn.tv(1)beacon.riskified.com(1)gstatic.com(1)

Website Identity

ALDO

Organization

www.aldoshoes.com

30 years old

Location detected: 🇨🇦 Canadavia ip

MarkMonitor Inc.📧 Google Workspaceen

Social Profiles

Facebook X (Twitter)Instagram YouTube TikTok Pinterest

Sponsored

Last analyzed: 25 Apr 2026 at 11:19

Historical Analysis & Change Tracking