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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wolt.com

https://wolt.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

wolt.com

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

13.33.235.40

Server Location

🇺🇸 New York, United States

ASN

AS16509

Organization

AWS CloudFront (GLOBAL)

Server

CloudFront

CDN

CloudFront

Nameservers

ns-367.awsdns-45.com.ns-694.awsdns-22.net.ns-1489.awsdns-58.org.ns-1568.awsdns-04.co.uk.

Performance

Page Speed

14 KB

247 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Contentful

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

CloudFront

Progressive Web App

Web ManifestApple Touch Icon

Detected API Sources

https://images.ctfassets.net/2...

Technology Stack

10 Technologies Detected

Analytics

Frameworks

Meta Frameworks

Other

CSS Frameworks

Icon Libraries

Tag Managers

CDN

Customer Support

SEO Analysis

A88/100

wolt.comwolt.com

Wolt Delivery | Food, Groceries and more in 30 minutes | Finland

When people try Wolt, they love it! The joy of food, groceries and more from local stores and restaurants, delivered in 30 minutes. Try the most-loved delive...

Description truncated.

Title Length64 chars

Recommended: 50-60 chars

Description Length168 chars

Recommended: 120-160 chars

Issues (0)

2 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

304 URLs

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Sponsored

A+

Security Score

98%Excellent

Static / Informational

HTTPS

No WAF

116d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

16.05.2025

Valid Until

13.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (10)

*.wolt.comwolt.dk*.wolt.dkwolt.sewolt.comwolt.fiwolt.ee*.wolt.fi+2 more

SHA-256 Fingerprint

C7:6F:88:C2:4A:CB:47:3A:F9:44:DC:95:8C:B2:42:F7:F8:87:34:D4...

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-credentials

true

cache-control

🔴 No Cache(no-cache, max-age=0)

content-encoding

⚡ Brotli(br)

content-security-policy

upgrade-insecure-requests;frame-ancestors 'self' https://mer...

content-type

text/html; charset=utf-8

date

Tue, 17 Feb 2026 14:02:32 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (5)

alt1.aspmx.l.google.com

alt2.aspmx.l.google.com

aspmx2.googlemail.com

aspmx3.googlemail.com

+1 more

Domain Information

wolt.com

Domain Age

20y 2m

Created

03.12.2005

Expires

03.12.2028

Last Updated

11.02.2026

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

Typography & Readability

-apple-system

84/100

Readability

/30

32/40

14px · LH 1.40

Hierarchy

/20

25/25

6.29x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

17/20

System fonts

Heading Font

-apple-system

Sans88px

Body Font

-apple-system

Sans14px

Contrast Ratio

Reading Comfort

~37 CPL

Needs attention

88px

72px

48px

14px

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

✅ Optimal line spacing: 1.40 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 6.3x larger than body text.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

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

⚠️ Cramped layout: 36 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

wolt-com-static-assets.wolt.com(14)googletagmanager.com(2)websdk.appsflyer.com(1)appleid.cdn-apple.com(1)js.hcaptcha.com(1)

Website Identity

Facebook X (Twitter)Instagram LinkedIn

Sponsored

Last analyzed: 17 Feb 2026 at 14:02

Historical Analysis & Change Tracking