GET polyfill-fastly.io HTTP 200113 ms10.8 KB$0.000251 captured Aug 7, 2026
polyfill-fastly.io, as data
One API turns any polyfill-fastly.io 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.
- Render mode
- Plain HTTP, no browser needed
- Response
- HTTP 200 in 113 ms
- Page size
- 10.8 KB of markdown, 538 lines
- Fields
- Business Name, Address, Phone, Category and 2 more
- Captured
- Aug 7, 2026
Free balance on signup, no card. This polyfill-fastly.io page cost $0.000251 to fetch.
Fastly PolyfillYour polyfill bundlePolyfill Library Version3.111.03.110.13.109.03.108.03.104.03.103.03.101.03.98.03.96.03.89.43.53.13.52.33.52.23.52.13.52.03.51.03.50.23.48.03.46.03.42.03.41.03.40.03.39.03.34.03.27.4CallbackFilter PolyfillsFilter the polyfills in the "Available Polyfills" list.Available PolyfillsCheck the boxes of the polyfills or polyfill-sets you want to have in your bundle.defaultIncluded Polyfills* Array.prototype.lastIndexOf* Array.prototype.reduceRight* Date.prototype.toISOString* DocumentFragment.prototype.append* DocumentFragment.prototype.prepend* Element.prototype.classList* Element.prototype.cloneNode* Element.prototype.replaceWith* Object.getOwnPropertyDescriptor* Object.getOwnPropertyNames* String.prototype.startsWith* Array.prototype.copyWithin* String.prototype.codePointAt* Symbol.isConcatSpreadable* Object.getOwnPropertyDescriptors* String.prototype.trimStart* String.prototype.replaceAllArray.prototype.copyWithinArray.prototype.lastIndexOfArray.prototype.reduceRightDOMTokenList.prototype.@@iteratorDOMTokenList.prototype.forEachDOMTokenList.prototype.replaceDate.prototype.toISOStringDocumentFragment.prototype.appendDocumentFragment.prototype.prependElement.prototype.classListElement.prototype.cloneNodeWhat Spider does on polyfill-fastly.io
Same key, five endpoints. The numbers under a cell were measured on this page.
Page to markdown
Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.
113 ms · $0.000251Page to JSON
Spider reads the page and names the fields. Pass your own schema when you need exact keys.
Whole site
Follows polyfill-fastly.io's own links, respects robots, streams pages as they land.
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.
curl -X POST https://api.spider.cloud/scrape \
-H "Authorization: Bearer $SPIDER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"url": "https://polyfill-fastly.io/", "return_format": "markdown"}'from spider import Spider
app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://polyfill-fastly.io/", params=params)
print(page[0]["content"])import { Spider } from "@spider-cloud/spider-client";
const app = new Spider();
const [page] = await app.scrapeUrl("https://polyfill-fastly.io/", {
return_format: "markdown",
});
console.log(page.content);What polyfill-fastly.io costs
Multiplied from the measured 10.8 KB page. Estimates round to the cent.
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 polyfill-fastly.io.
The capture above took 113 ms and cost $0.000251. The same call takes any URL on polyfill-fastly.io.