SOM or DOM

Head to head comparison for agent browsing

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Paste a URL. Watch Plasmate SOM beat Chrome DOM.

DOM is built for rendering. SOM is built for meaning. This tester shows tokens, speed, and cost side by side.

Try: docs.plasmate.app Or: nytimes.com Share results with: ?url=...
Speed race - ms Chrome DOM + Extract, - ms Plasmate SOM
Compression
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Chrome extract tokens (est.)
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Plasmate SOM tokens (est.)
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GPT-4 input cost (est.)
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SOM Score

Score considers compression, structure, and content coverage. High score means your page is easy for AI agents to understand.

GitHub
Chrome Extract
Readability text snippet
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Plasmate SOM
Semantic output snippet
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What is SOM?

SOM (Semantic Object Model) is a structured, token efficient representation of a web page. It keeps meaning and throws away layout noise.

Why does this matter?

Agents pay for tokens and time. SOM reduces both, so your agent can browse more pages, faster, for less money.