GET d3js.org HTTP 2002.0 s12.5 KB$0.000121 captured Aug 7, 2026

d3js.org, as data

One API turns any d3js.org page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.

target profile from the capture

Render mode: Plain HTTP, no browser needed
Response: HTTP 200 in 2.0 s
Page size: 12.5 KB of markdown, 101 lines
Fields: Business Name, Address, Phone, Category and 1 more
Captured: Aug 7, 2026

Start scraping d3js.org See the code

Free balance on signup, no card. This d3js.org page cost $0.000121 to fetch.

response 200 · 2.0 s · 12.5 KB

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.

POST /scrape · d3js.org/index.md · markdown · Showing 16 of 101 lines · captured Aug 7, 2026

What Spider does on d3js.org

Same key, five endpoints. The numbers under a cell were measured on this page.

/scrape

Page to markdown

Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.

2.0 s · $0.000121

/fetch

Page to JSON

Spider reads the page and names the fields. Pass your own schema when you need exact keys.

/crawl

Whole site

Follows d3js.org's own links, respects robots, streams pages as they land.

/links

Link graph

Every internal and external URL on a page, before you decide what to fetch.

/screenshot

Rendered capture

Real Chromium, full-page PNG. The same call also returns the rendered HTML.

The call behind the panel

This request produced the response above. Paste it with your key and you get the same bytes.

request scrape.sh

curl -X POST https://api.spider.cloud/scrape \
  -H "Authorization: Bearer $SPIDER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"url": "https://d3js.org/", "return_format": "markdown"}'

from spider import Spider

app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://d3js.org/", params=params)
print(page[0]["content"])

import { Spider } from "@spider-cloud/spider-client";

const app = new Spider();
const [page] = await app.scrapeUrl("https://d3js.org/", {
  return_format: "markdown",
});
console.log(page.content);

plain request · no browser, no selectors

What d3js.org costs

Multiplied from the measured 12.5 KB page. Estimates round to the cent.

cost measured

This page, once 12.5 KB over HTTP, measured $0.000121

This page, daily for a month 30 fetches at the measured price ≈ $0.003619

1,000 pages this size 12.2 MB at the measured price ≈ $0.12

10,000 pages this size 122.1 MB at the measured price ≈ $1.21

1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.

Point this at the rest of d3js.org.

The capture above took 2.0 s and cost $0.000121. The same call takes any URL on d3js.org.

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