GET developer.mozilla.org HTTP 200143 ms5.1 KB$0.000197 captured Aug 7, 2026

developer.mozilla.org, as data

One API turns any developer.mozilla.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 143 ms
Page size: 5.1 KB of markdown, 72 lines
Fields: Business Name, Address, Phone, Category and 2 more
Captured: Aug 7, 2026

Start scraping developer.mozilla.org See the code

Free balance on signup, no card. This developer.mozilla.org page cost $0.000197 to fetch.

response 200 · 143 ms · 5.1 KB

Documenting CSS, HTML, and JavaScript, since 2005.The Trusted Types API gives web developers a way to ensure that input has been passed through a user-specified transformation function before being passed to an API that might execute that input. This can help to protect against client-side cross-site scripting (XSS) attacks. Most commonly the transformation function sanitizes the input.Using CSS anchor positioningThe CSS anchor positioning module defines features that allow you to tether elements together. Elements can be defined as anchor elements and anchor-positioned elements. Anchor-positioned elements can be bound to anchor elements. The anchor-positioned elements can then have their size and position set relative to the size and location of the anchor elements to which they are bound.## Latest newsIntroducing the MDN MCP serverMDN's MCP server brings MDN's documentation and browser compatibility data directly into your editor or IDE, giving your LLM or coding agent access to accurate, up-to-date web platform information.Under the hood of MDN's new frontendYou may have spotted that MDN has a new frontend. There's plenty happening under the surface, so let's unpack the technologies we chose, the architectural decisions we made, and why we did a rebuild at all.Image formats: Codecs and compression toolsImage compression involves countless trade-offs between quality, size, and speed. In this final part of the series, we experiment with codecs, metrics, and tools to find practical ways to balance efficiency and visual fidelity.A beginner-friendly guide to view transitions in CSSLearn how to bring smooth, animated navigation to multi-page apps with view transitions. With just one line of CSS, you can enable seamless transitions between pages.fix: resolve weekly spelling check findingsadded FF release notes for line-clamp property[[zh-cn] update 'Paths' in svg from scratch](https://github.com/mdn/translated-content/pull/37198)

POST /scrape · developer.mozilla.org/index.md · markdown · Showing 16 of 72 lines · captured Aug 7, 2026

What Spider does on developer.mozilla.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.

143 ms · $0.000197

/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 developer.mozilla.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://developer.mozilla.org/", "return_format": "markdown"}'

from spider import Spider

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

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

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

plain request · no browser, no selectors

What developer.mozilla.org costs

Multiplied from the measured 5.1 KB page. Estimates round to the cent.

cost measured

This page, once 5.1 KB over HTTP, measured $0.000197

This page, daily for a month 30 fetches at the measured price ≈ $0.005918

1,000 pages this size 5.0 MB at the measured price ≈ $0.20

10,000 pages this size 50.1 MB at the measured price ≈ $1.97

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 developer.mozilla.org.

The capture above took 143 ms and cost $0.000197. The same call takes any URL on developer.mozilla.org.

Get an API key

More in AI & Developer

All AI & Developer scrapers