Polyfill-fastly Scraper
Spider read polyfill-fastly.io in 113 ms without a browser and returned 538 lines of clean markdown.
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.cloneNodeThe same call, in code.
The capture above came back as markdown. These examples add a key, so you get browser rendering, proxies, and concurrency on polyfill-fastly.io.
import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://polyfill-fastly.io");
// No selectors, no schema. Spider reads the page and names the fields.
const data = await page.scrape();
console.log(data);
await spider.close();import { Spider } from "@spider-cloud/spider-client";
const spider = new Spider({ apiKey: process.env.SPIDER_API_KEY! });
const result = await spider.scrapeUrl("https://www.polyfill-fastly.io", {
return_format: "markdown",
});
console.log(result);Ready for volume? Get an API key →
Fields you can pull.
Spider names these from the page. The capture above came back as markdown; the same
call with return_format: "json" returns them as keys.
What polyfill-fastly.io costs to scrape.
The capture above cost $0.000251 to fetch. Pricing is $1 per GB of pre-transformation bandwidth plus $0.001 per CPU minute, so a page like this one lands at a fraction of a cent. Failed requests are billed at $0.
- Free balance on signup
- No card required to test
- Balance never expires
Run it keyless, no account
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Start scraping polyfill-fastly.io.
You already have the call. A key raises the rate limit and turns on browser rendering, proxies, and concurrency. Balance never expires, and top-ups go through secure checkout.