Caniuse Scraper
Spider read caniuse.com in 174 ms without a browser and returned 58 lines of clean markdown, including sections like "Home", "Latest features" and "Test a feature".
### Home#### Latest features1. Lazy loading via attribute for video & audio4. View Transitions (cross-document)5. WebAssembly Import/Export of Mutable Globals#### Most searched features4. dvh (Small, Large, and Dynamic viewport units)#### Test a featureOur partnership with BrowserStacknow lets you test your website for compatibility across 2,000+ real browsers and devices.#### Did you know?If a feature you're looking for is not available on the site, you can vote to have it included. Better yet, if you've done the research you can even submit it yourself!You can import usage data from your **Google Analytics** account and see exactly how well a feature is supported among your own site's visitors. Look under the **Settings panel** to get started!Usage data for all countries and continents can be imported via the **Settings panel**.By default, older browser versions are only shown if they have >= 0.5% usage share. You can increase or decrease this value from the **Settings panel**.Each feature support table includes a "Usage relative" button. This will resize each browser version cell to be relative to the amount of support it has for the selected usage source.#### Third party tools1. The CanIUse Embed — Add support tables to your site2. Caniuse Component — Add support tables to your presentations4. Doiuse...? — Lint your CSS to check what features work5. I want to use — Select multiple features and see what % of users can use them#### Browser scores#### Other support sites1. Can I email... — Support tables for HTML & CSS in emails2. Accessibility Support — Support information for web accessibility features in assistive technologies3. Can I Webview — Documentation for WebView capabilities, limitations & featuresThe 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 caniuse.com.
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://caniuse.com");
// 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.caniuse.com", {
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 caniuse.com costs to scrape.
The capture above cost $0.00004 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 caniuse.com.
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.