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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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lensculture.com

https://lensculture.com· First analyzed 26 Apr 2026· Updated 26 Apr 2026

Export

lensculture.com

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

172.67.68.233

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

byron.ns.cloudflare.com.virginia.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

676 ms10%

Speed Index

879 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

881 KB

175 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Cloudflare

CDN

Cloudflare

Technology Stack

9 Technologies Detected

Analytics

Libraries

CSS Frameworks

Icon Libraries

Fonts

Adobe Fonts (Typekit)

Customer Support

Zendesk

CDN

Cloudflare

SEO Analysis

C65/100

Meta Tags8/15

Content10/12

Headings8/8

Technical14/21

E-E-A-T3/7

Images3/7

Links5/5

URL5/5

Social5/5

Freshness0/4

Mobile1/4

Indexability3/3

lensculture.comlensculture.com

LensCulture - Contemporary Photography

Discover and share the best in contemporary photography

Title Length38 chars

Recommended: 50-60 chars (~236px / 580px)

Description Length55 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (103/116) — critical for accessibility and SEO

9 issues found

Upgrade to view details

Local SEO

Local Search Readiness

6/100

Poor

2 13 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D52/100

Bot Access

20/25

Machine Read.

13/25

Schema Data

0/25

Citation

19/25

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

header/footer

Text ratio:5%

Words:786

Token eff.:Optimal

Sections/1K:5.1

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary51w

Descriptive Headingsavg 4.5w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (6)

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.

55/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

18/20

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

Forms & Inputs

5/15

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

9/15

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

ARIA & Roles

3/15

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

4 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.

63/100

89 mg

CO₂e / view

880.9 KB

Page Weight

80%

Cleaner Than

New Visitor

102 mg

Returning (cached)

51 mg

Annual (10K/mo)

10.7 kg

Emission Segments

Data Center

4 mg

Network

26 mg

Device

59 mg

Resource Breakdown

JavaScript

648.9 KB

Images

3.3 KB

CSS

192.4 KB

HTML

15.6 KB

Other

20.8 KB

Green Hosting Verified

Cloudflare

GWF Verified

4 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

66%Fair

Interactive

HTTPS

WAF

36d

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

03.03.2026

Valid Until

01.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

lensculture.com*.lensculture.com

SHA-256 Fingerprint

52:02:07:60:27:05:18:5B:8F:10:80:76:00:07:D4:AB:1D:17:10:CB...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

3364

alt-svc

h3=":443"; ma=86400

cache-control

🟡 0s(public, s-maxage=3600, max-age=0, must-revalidate)

cf-cache-status

HIT

cf-ray

9f26ae8c4ef5f957-SJC

content-encoding

⚡ Brotli(br)

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (5)

aspmx3.googlemail.com

aspmx2.googlemail.com

aspmx.l.google.com

alt1.aspmx.l.google.com

+1 more

Domain Information

lensculture.com

Domain Age

22y 5m

Created

19.11.2003

Expires

19.11.2028

Last Updated

16.05.2022

Registrar

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

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.

76/100

Mobile Friendly1 breakpoint

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=1.0

Typography & Readability

Helvetica Neue + Open Sans

WCAG Partial

64/100

Readability

/30

23/30

14px · LH 1.43

Hierarchy

/20

16/20

2.14x ratio · ✓ H1→H6

WCAG

/25

11/25

1:1 min contrast

Performance

/25

14/25

System fonts

Heading Font

Helvetica Neue

Sans30px

Body Font

Open Sans

Sans14px

Contrast Ratio

1:1

26 issues

Reading Comfort

~47 CPL

Optimal (45–75)

30px

20px

25px

14px

Minor Second

Scale

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

✅ Optimal line spacing: 1.43 ratio (ideal range 1.4–1.6).

✅ Optimal line length: ~47 chars/line (ideal 45–75 CPL).

❌ Very complex text: Flesch score 27/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 26 elements below WCAG AA threshold (min 1.0:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

AAdobe FontsFlesch 27

Color Palette

11 unique colors

8.27:1 AAA Light

#ffffff

Background· 32.3%

#4d4f4c

Text· 7.3%

#ac8e1b

Primary· 8.6%

#201816

Secondary· 5.8%

#b1a586

Secondary· 4.4%

#d4cec0

Secondary· 4.3%

#735447

Secondary· 3.3%

#969067

Secondary· 1.9%

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Social Media

Facebook SDKFree

LinkedIn WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

lensculture.com(7)connect.facebook.net(4)googletagmanager.com(1)code.jquery.com(1)use.typekit.net(1)

Website Identity

lensculture.com

22 years old

Location detected: 🇨🇦 Canadavia ip

Social Profiles

Facebook Instagram

Sponsored

Last analyzed: 26 Apr 2026 at 15:40

Historical Analysis & Change Tracking