How many browser agents fit on one laptop: Lightpanda vs Chrome on a real booking site - agents_per_laptop.py

pip install lightpanda gives you a headless browser and its Python bindings in one command, browser included. Scrape JavaScript-rendered pages and hand the data straight to pandas.

The same scraping tasks written as PandaScripts and as Puppeteer and Playwright scripts. Nearly identical code, 4x to 17x less memory, and one binary instead of two processes and a protocol.

CORS (experimental) CORS is off by default. Enable it with --experimental-features cors. CORS implementation: obey cross-origin checks on fetch/XHR instead of allowing them unconditionally Origin ...

Lightpanda CDP input demo: full click sequence (#3431) + viewport wheel scroll (#3479), before 0.4.0 vs nightly, on real pages - install-lightpanda-nightly.sh

Same scrape three ways: requests, Selenium + Chrome, Lightpanda. 100 quotes, 1121 MB vs 39 MB. - lightpanda-vs-selenium.py

Adds support for connecting to websocket server using WebSocket BiDi. The driver to use is determined by the path, CDP and BiDi connections can be established side-by-side. Depends on lightpanda-io...

Lightpanda is a browser for machines, from agents acting on behalf of a user to data extraction at scale and indexing. Best practice looks different according to your use case.

Lightpanda agent searching with Exa (browser#3225) - demo-exa-search.sh

New Web APIs Scheduler (window and worker) Full SVG DOM: geometry, structural elements, text DOM, resource elements, live collections, live scalar values Element/ShadowRoot getHTML Request#formDat...

This adds a http_cache_entry_limit flag that allows you to limit the maximum number of entries that persist in the HTTP Cache. It currently uses stored_at times as a heuristic to determine what get...

Summary add live typed geometry attributes and SVGGeometryElement.pathLength compute analytic fill bounds through SVGGraphicsElement.getBBox parse all SVG path command families with error recovery...

This is a new SQLite backend for the Cache. This is built off of the Cache Revalidation PR (#2570)

Closes #3057 HTMLSelectElement collected its options from its direct children only, so an <option> inside an <optgroup> was invisible to options, length, value, selectedIndex, selectedO...

Lightpanda respects CSS @layer priority (PR #2983) - runnable demo - layer-demo.sh

New Web APIs SharedWorker EventSource (including relative URLs) IndexedDB (base implementation) DOMPoint / DOMPointReadOnly; improved DOMRect Various SVG types; SVGAElement.relList Static Response...

Add IndexedDB support This API is large and introduces new interaction points (e.g. with the js.Context and events) and new lifetime concerns. There are two design decisions worth noting: 1 - Only...

When an iframe has "loading=lazy" it no longer delays the parent's "load" event. It's still loaded (subject to --disable-subframes parameter). Many sites use loading=laz...

agent-browser drives Lightpanda over CDP with a one-flag switch. Here is how to get the most out of the integration, plus a demo script you can run today.

Lightpanda concurrent fetch demo (PR #2808): one command, all URLs at once - concurrent-fetch.sh