GET go.dev HTTP 200135 ms8.5 KB$0.00011 captured Aug 7, 2026

go.dev, as data

One API turns any go.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 135 ms
Page size: 8.5 KB of markdown, 195 lines
Fields: Cookie Button, Resource Item Title, Training Links
Captured: Aug 7, 2026

Start scraping go.dev See the code

Free balance on signup, no card. This go.dev page cost $0.00011 to fetch.

response 200 · 135 ms · 8.5 KB

“**Go has excellent characteristics for scalability and serviceswritten using it typically have very small memory footprints.**Because code is compiled into a single static binary, services can also becontainerised with ease, making it much simpler to build and deploy. Theseattributes make **Go an ideal choice for companies buildingmicroservices**, as you can easily deploy into a highly available andscalable environment such as Kubernetes.”"In our tightly managed environments where we run Go code,**we have seen a CPU reduction of approximately 10%**with cleaner and maintainable code."Sr. Director of Engineering, Developer Experience"Tooling has always been a problem with our legacy code base... but we havefound that Go has excellent tooling, plus built-in testing, benchmarking,and profiling frameworks. It is easy to write efficient and resilientapplications. **After working on Go, most of our developers don't wantto go back to other languages.**"Vice President and Principal Engineer"...when a programming language is designed for exactly the environment mostof us use right now—scalable, cloud-based servers that are optimized for

POST /scrape · go.dev/index.md · markdown · Showing 19 of 195 lines · captured Aug 7, 2026

What Spider does on go.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.

135 ms · $0.00011

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

from spider import Spider

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

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

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

plain request · no browser, no selectors

What go.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 $0.00011

This page, daily for a month 30 fetches at the measured price ≈ $0.0033

1,000 pages this size 8.3 MB at the measured price ≈ $0.11

10,000 pages this size 82.9 MB at the measured price ≈ $1.10

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 go.dev.

The capture above took 135 ms and cost $0.00011. The same call takes any URL on go.dev.

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