Haskell Scraper
Spider read haskell.org in 112 ms without a browser and returned 408 lines of clean markdown, including sections like "Model complex domains", "A new paradigm" and "Composition and predictability".
### Model complex domains### A new paradigmExpress your ideas clearly and learn a new way of thinking about programming. Based on lambda calculus, Haskell is apurely functional programming language that features referential transparency, immutability and lazy evaluation.Concepts that will blow your mind— relearn programming while having an absolute blast.### Composition and predictabilityReason about large pieces of code and compose them easily. There is no global stateor mutable variables obscuring the meaning of your program. The strong type system makes sure there are no surprises— never again will you have to guess what your program does at execution time.### DeclarativeWrite your programs declaratively by utilizing the power of pure functions and algebraic data types.In Haskell we don't write how a program should be executed, we just describe its logic— never again be forced to think about evaluation order or execution details.### PerformanceSqueeze out the last ticks of your multi-core processors, thanks to best-in-class support for async,concurrent and parallel programming... made possible via garbage collection and green threads.Use advanced streaming libraries for ultra efficient data processing.### AbstractionBuild powerful abstractions that are not possible in other languages. Only your imagination is the limit, due topolymorphism, type classes and more advanced typesystem features.Haskell has its roots in programming language research and will always be at the forefront of expressivity.### Excellent toolingA tooling story that's truly amazing: spawn your toolchain with GHCup, build your project with cabal, get editor integration with haskell-language-server— everything at your fingertips.GHC is the next generation compiler that supports all of your favorite platforms.## Videos##### Escape from the ivory tower: The Haskell journey, by Simon Peyton-JonesThe 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 haskell.org.
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://haskell.org");
// 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.haskell.org", {
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 haskell.org costs to scrape.
The capture above cost $0.000107 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 haskell.org.
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.