D3js Scraper
Spider read d3js.org in 2.0 s without a browser and returned 101 lines of clean markdown, including the section "Build your best work with D3 on Observable".
Create custom dynamic visualizations with unparalleled flexibility[## Selections and transitionsCreate, update, and animate the DOM based on data without the overhead of a virtual DOM.](https://d3js.org/d3-selection)Encode abstract data into visual values such as position, size, and color. Explain position encodings with axes.](https://d3js.org/d3-scale)Render arcs, areas, curves, lines, links, pies, stacks, symbols… and any geometric primitive you might need to visualize data.](https://d3js.org/d3-shape)Facilitate exploration with reusable interactive behaviors, including panning, zooming, brushing, and dragging.](https://d3js.org/d3-brush)Treemaps, trees, force-directed graphs, Voronoi, contours, chords, circle-packing… a library of layout algorithms at the ready.](https://d3js.org/d3-hierarchy)More spherical projections than you can shake a stick at, with arbitrary aspects, adaptive sampling, and flexible clipping.](https://d3js.org/d3-geo)CSV parsing, localized date parsing and formatting, color spaces, calendar math, statistics, and can I stop listing features now?](https://d3js.org/d3-array)The D3 team also builds Observable Plot, a high-level API for quick charts built on top of D3.Try Observable Plot](https://observablehq.com/plot?utm_source=d3js-org&utm_medium=features&utm_campaign=try-observable)D3 is developed by Observable, the platform for collaborative data analysis.Visit Observable](https://observablehq.com?utm_source=d3js-org&utm_medium=features&utm_campaign=try-observable)# Build your best work with D3 on ObservableThe only data workflow platform capable of supporting the full power of D3Connect to your data instantlyPull live data from the cloud, files, and databases into one secure place — without installing anything, ever.The same call, in code.
The capture above came back as markdown. These examples add a key, so you get browser rendering, proxies, and concurrency on d3js.org.
import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://d3js.org");
// No selectors, no schema. Spider reads the page and names the fields.
const data = await page.scrape();
console.log(data);
await spider.close();import { Spider } from "@spider-cloud/spider-client";
const spider = new Spider({ apiKey: process.env.SPIDER_API_KEY! });
const result = await spider.scrapeUrl("https://www.d3js.org", {
return_format: "markdown",
});
console.log(result);Ready for volume? Get an API key →
Fields you can pull.
Spider names these from the page. The capture above came back as markdown; the same
call with return_format: "json" returns them as keys.
What d3js.org costs to scrape.
The capture above cost $0.000121 to fetch. Pricing is $1 per GB of pre-transformation bandwidth plus $0.001 per CPU minute, so a page like this one lands at a fraction of a cent. Failed requests are billed at $0.
- Free balance on signup
- No card required to test
- Balance never expires
Run it keyless, no account
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Start scraping d3js.org.
You already have the call. A key raises the rate limit and turns on browser rendering, proxies, and concurrency. Balance never expires, and top-ups go through secure checkout.