GET web.dev HTTP 200120 ms8.5 KB$0.000216 captured Aug 7, 2026

web.dev, as data

One API turns any web.dev 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 120 ms
Page size: 8.5 KB of markdown, 241 lines
Fields: Business Name, Address, Phone, Category and 2 more
Captured: Aug 7, 2026

Start scraping web.dev See the code

Free balance on signup, no card. This web.dev page cost $0.000216 to fetch.

response 200 · 120 ms · 8.5 KB

Guidance to build modern web experiences that work on any browser.Read about various happenings with Baseline during February 2026.January 2026 Baseline monthly digestRead about various happenings with Baseline during January 2026.December 2025 Baseline monthly digestRead about various happenings with Baseline during December 2025.Adapting typography to user preference using CSSAdapt a font to your users' preferences, so they're maximally comfortable reading your content.New CSS color spaces and functions in all major enginesAll major engines now support the new CSS color spaces and functions. Find out how they can bring vibrancy to your designs.Improve web debugging experience with source maps.Subgrid is now interoperable across all three major engines. Find out how to use it.The most effective ways to improve Core Web VitalsA collection of best practices for optimizing websites' Core Web Vitals performance based on the state of the web.Learn how to optimize for the Interaction to Next Paint metric.Common misconceptions about how to optimize LCP

POST /scrape · web.dev/index.md · markdown · Showing 16 of 241 lines · captured Aug 7, 2026

What Spider does on web.dev

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.

120 ms · $0.000216

/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 web.dev'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://web.dev/", "return_format": "markdown"}'

from spider import Spider

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

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

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

plain request · no browser, no selectors

What web.dev costs

Multiplied from the measured 8.5 KB page. Estimates round to the cent.

cost measured

This page, once 8.5 KB over HTTP, measured $0.000216

This page, daily for a month 30 fetches at the measured price ≈ $0.006467

1,000 pages this size 8.3 MB at the measured price ≈ $0.22

10,000 pages this size 83.2 MB at the measured price ≈ $2.16

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 web.dev.

The capture above took 120 ms and cost $0.000216. The same call takes any URL on web.dev.

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