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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tilda.ws

https://tilda.ws· First analyzed 12 Feb 2026· Updated 12 Feb 2026

Export

tilda.ws

Mobile

Sponsored

Hosting Provider

Tilda Publishing Ltd

IP Address

194.48.203.15

Server Location

🇮🇪 Dublin, Ireland

ASN

AS205282

Organization

Tilda Publishing Ltd

Nameservers

ns-1258.awsdns-29.org.ns-1912.awsdns-47.co.uk.ns-985.awsdns-59.net.ns-118.awsdns-14.com.

Performance

Page Speed

95 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Medium

Technology Stack

3 Technologies Detected

Libraries

jQueryv1.10.2

CSS Frameworks

Tailwind CSS

Advertising

Snapchat Pixel

SEO Analysis

B70/100

tilda.wstilda.ws

Create a Website for Free. Tilda Website Builder

Create a website, online store, landing page with Tilda intuitive website builder. Build your site from hundreds of pre-designed templates and publish it tod...

Description truncated.

Title Length48 chars

Recommended: 50-60 chars

Description Length178 chars

Recommended: 120-160 chars

Issues (1)

• Many images missing alt text (22/22)

3 issues found

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Sponsored

Security Score

81%Very Good

Static / Informational

HTTPS

No WAF

261d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

CentralNic Luxembourg Sàrl

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

15.10.2025

Valid Until

31.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.tilda.cctilda.cc

SHA-256 Fingerprint

33:ED:60:B0:9C:E9:3B:FE:D6:2D:F8:2F:50:6E:7A:3F:8D:8A:B8:92...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

content-encoding

📦 Gzip(gzip)

content-length

119

content-type

text/html; charset=UTF-8

date

Thu, 12 Feb 2026 14:09:43 GMT

etag

"76-501b14335ed00-gzip"

Good Warning Issue

Email Infrastructure

Yandex Mail

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

mx.yandex.net

Domain Information

tilda.ws

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Data Protection Officer mentioned

Typography & Readability

Arial

56/100

Readability

/30

40/40

20px · LH 1.50

Hierarchy

/20

18/25

2.4x ratio

WCAG

/25

5/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

Arial

Sans48px

Body Font

Arial

Sans20px

Contrast Ratio

Reading Comfort

Single Font Family

left aligned

48px

72px

78px

20px

Perfect Fourth

Scale

✅ Excellent readability: 20px body text is ideal for all devices.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.4x larger than body text.

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

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

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

Buy on MyFonts

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

static.tildacdn.com(19)neo.tildacdn.com(1)

Website Identity

Facebook X (Twitter)Instagram YouTube Telegram

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Last analyzed: 12 Feb 2026 at 14:09

Historical Analysis & Change Tracking