By use case · Scraping for RAG
Web scraping for RAG that keeps your index clean
A RAG system is only as good as the data behind it, and messy scraped pages poison retrieval with navigation text, ads and broken structure. Web scraping for RAG should produce clean, chunk-ready content. ClawEngine crawls and renders public pages, strips the boilerplate, and returns markdown that splits cleanly into the chunks your embeddings need.
Because the output is consistent and structured, your retrieval stays accurate and your context windows are not wasted on clutter. You can refresh sources on a schedule to keep the index current. ClawEngine works on public, permitted pages only, respects robots.txt and Terms of Service, and honors crawl-delay, so your knowledge base is built responsibly.
Clean markdown & JSON · JavaScript rendered · robots.txt respected
Hit Extract to turn this page into clean, LLM-ready data.
robots.txt respected · public data only
Any URL in LLM-ready data out
robots.txt respected public data only
Why it works
What you get with scraping for rag
Clean chunks in
Boilerplate-free markdown splits cleanly into chunks, so your embeddings represent real content and retrieval returns the right passages.
Accurate retrieval
Consistent structure across pages means your index is not polluted with navigation or ads, so answers cite the content that actually matters.
Easy to refresh
Re-crawl sources on a schedule to keep the index current, so your RAG app answers from up-to-date pages rather than stale snapshots.
What it handles
Any URL in, clean structured data out
Point ClawEngine at a public page and it crawls, renders the JavaScript and extracts clean markdown or typed JSON in one call. Define a schema for structured fields, and respect robots.txt and Terms of Service by default.
- Returns clean, chunk-ready markdown
- Strips boilerplate that pollutes retrieval
- Renders JavaScript before extracting
- Keeps a consistent structure across sources
- Refreshes sources to keep the index current
- Respects robots.txt, ToS and crawl-delay
{
"url": "https://example.com/products/atlas",
"title": "Atlas Field Notebook",
"markdown": "# Atlas Field Notebook\n\nDurable...",
"data": {
"name": "Atlas Field Notebook",
"price": 24.00,
"currency": "USD",
"rating": 4.7
},
"links": [ "/products", "/cart" ],
"metadata": { "rendered": true }
}Why ClawEngine
One API that crawls, renders and extracts
Not a raw HTML dump, not a headless browser fleet to run, and not a brittle parser to maintain. One call crawls a public page, renders its JavaScript and returns clean markdown or typed JSON, built for RAG pipelines and AI agents.
LLM-ready output
Clean markdown or typed JSON with the boilerplate stripped, so the data drops straight into a vector store, a prompt or an agent without a cleanup step.
JavaScript rendered
Each page loads in a real browser environment before extraction, so single-page apps and client-rendered content come back complete, not as an empty shell.
Compliance-first
ClawEngine works on public, permitted data only. It respects robots.txt and site Terms of Service and honors crawl-delay, so responsible scraping is the default.
Good questions
Questions about scraping for rag
Explore more
More ways to turn the web into data with ClawEngine
Stop wrangling raw HTML. Get LLM-ready data.
Point ClawEngine at a public page and one call crawls, renders the JavaScript and extracts clean markdown or typed JSON, ready for your RAG pipeline or AI agent. Public, permitted data only.
Crawl · render JS · extract markdown & JSON · robots.txt respected, public data only