SvelteKit is the official full-stack framework for Svelte, providing file-based routing, server-side rendering, static site generation, and API routes in a single cohesive framework. Unlike React or Vue, Svelte compiles components to vanilla JavaScript at build time — there's no virtual DOM or runtime framework to ship to the browser, which makes Svelte bundles significantly smaller. It's favored by performance-conscious teams building dashboards, SaaS products, and marketing sites who want minimal JavaScript overhead. SvelteKit sites are identifiable through the _app/immutable/ path for compiled JavaScript chunks, data-sveltekit-prefetch attributes on links for preloading, and the __sveltekit global object exposed in the browser. The framework's distinctive code-splitting produces multiple small .js files in the _app/immutable/chunks/ directory rather than a single large bundle.
Detect SvelteKit Websites — Free Tool
Enter any URL to check if it was built with SvelteKit. Instant results, no account required.
How to Detect SvelteKit Websites
Script Patterns
2 patterns
HTML Patterns
3 patterns
1. Check the Page Source
Open the website in your browser, right-click, and select "View Page Source". Search for sveltekit-specific patterns in the HTML.
2. Look for Script Files
Check the Network tab in DevTools for JavaScript files loaded from SvelteKit domains.
4. Use AI Website Detector (Easiest)
Our automated scanner checks all these signals at once and gives you an instant confidence score. Just enter any URL above.
Frequently Asked Questions
Is this website built with SvelteKit?
You can detect if any website was built with SvelteKit by using our free scanner above. Just enter the URL and we'll analyze HTML patterns, JavaScript files, CDN domains, and HTTP headers to determine if SvelteKit was used — with a confidence score.
How to detect if a website was built with SvelteKit?
There are several ways to detect SvelteKit: (1) View the page source and look for SvelteKit-specific class names or script URLs, (2) Check the Network tab in DevTools for requests to SvelteKit CDN domains, (3) Use our free tool — we check 5 detection signals automatically.
What websites are built with SvelteKit?
SvelteKit is used by thousands of websites worldwide. Our scanner has detected many SvelteKit-built sites across different industries. You can scan any URL to check if it uses SvelteKit.
How accurate is the SvelteKit detection?
Our SvelteKit detection engine checks 5 unique fingerprint signals, achieving high confidence results. We score each match and return a confidence percentage so you know how certain the detection is.
About SvelteKit
SvelteKit is a leading ai coding tool used by thousands of businesses and developers worldwide. Our detection engine can identify SvelteKit-built websites with high confidence by analyzing multiple technical signals.
Whether you're a developer doing competitive research, a designer looking for inspiration, or just curious about how a website was built — AI Website Detector gives you instant, accurate detection.
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Detection Info
- Category
- AI Coding Tool
- Signals Used
- 5 patterns
- Accuracy
- High
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