Free Website Analysis
Find out in 60 seconds how your website performs for Google, AI assistants and your users. Performance, SEO, security and AI readiness — all in one report.
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Google PageSpeed API
Real Lighthouse scores via Google infrastructure — Performance, SEO, Accessibility, Best Practices and Core Web Vitals (FCP, LCP, TBT, CLS).
Daytona Cloud Sandbox
An isolated browser (Playwright + Chromium) scans 51 technical signals: screenshot, meta tags, security headers, Schema.org, llms.txt, WebMCP and more.
Gemini AI Analysis
7 parallel AI queries: competitive analysis via Google Search, LLM visibility test (ChatGPT, Claude, Gemini), keyword rankings, copywriting analysis and recommendations.
Score Calculation
Weighted overall score from 5 categories: Performance (25%), SEO (25%), Security (15%), Accessibility (15%), AI Readiness (20%). All on one dashboard.
Built by loaded.ch — Swiss quality, cutting-edge technology.
What we test
6 categories, 51+ signals, 3 AI models — one report.
Real Lighthouse Scores
First Contentful Paint
Largest Contentful Paint
Total Blocking Time
Cumulative Layout Shift
12-Point Checklist
Title · Meta · H1 · Canonical
OG Tags · Schema.org · Sitemap
robots.txt · hreflang · Alt Texts
HTTP Header Audit
HTTPS · HSTS · CSP
X-Frame-Options
X-Content-Type · Referrer-Policy
LLM Visibility Test
Google Search
GPT-5.4
Opus 4.6
+ llms.txt · WebMCP · AI Instructions · Schema.org
AI Vision Analysis
Gemini analyses your website screenshot and evaluates color scheme, typography, layout, conversion design and mobile readiness.
Design Score
Results in 3 steps
Enter URL
Enter your website URL — no registration required.
Start Analysis
We automatically check performance, SEO, security, accessibility and AI readiness.
Get Results
In under 60 seconds you receive a detailed report with scores and recommendations.
Frequently Asked Questions
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How this tool works
The same architecture we use for client projects — explained transparently.
Google PageSpeed Insights API
~10 secondsParallel queries to Google infrastructure for mobile and desktop. Returns real Lighthouse scores — no simulation, no estimation. The same engine Google uses for its ranking.
// Parallel mobile + desktop
const [mobile, desktop] = await Promise.all([
fetch(`pagespeed/v5?strategy=mobile`),
fetch(`pagespeed/v5?strategy=desktop`),
]);
// → Performance, SEO, Accessibility, Best PracticesDaytona Cloud Sandbox
~30-60 secondsAn isolated Chromium browser in a cloud sandbox. Playwright controls the browser, takes a screenshot and extracts 51 technical signals: meta tags, security headers, Schema.org, platform detection, AI readiness signals.
const sandbox = await daytona.create();
const browser = await chromium.launch();
const page = await browser.newPage();
await page.goto(url);
const screenshot = await page.screenshot();
const seo = await page.evaluate(() => (
// title, h1s, schema, headers, llmsTxt
));
// → 51 signals + JPEG screenshotGemini AI Analysis
~60 seconds7 parallel AI queries with Gemini 3 Flash: competitive analysis via Google Search, LLM visibility test across 3 models, keyword rankings, copywriting roast, and a vision-based design analysis of the screenshot.
const [competitors, llm1, llm2, llm3,
commentary, keywords, roast] =
await Promise.allSettled([
gemini.search("best " + industry),
gemini.ask("What is " + company),
gemini.ask("Recommend " + service),
gemini.ask("I need " + service),
gemini.analyze(scrapeData),
gemini.search(primaryKeywords),
gemini.vision(screenshot),
]);The same architecture we use for all client projects. Our services →