Khan Academy Scraper
Spider read khanacademy.org in 110 ms in a headless browser and returned 137 lines of clean markdown, including sections like "Built for learning. Not for profit" and "Frequently asked questions, answered".
If you're seeing this message, it means we're having trouble loading external resources on our website.* Secure, integrated systems for schools* Dedicated rostering, implementation, and professional learning supportExplore district partnerships## Built for learning. Not for profit.Khan Academy is a nonprofit with a simple mission: provide a free, world-class education for anyone, anywhere. Funded by donors and partners, we stay focused on what matters most—helping people learn.DonateLearn about our mission## Frequently asked questions, answered.Khan Academy is always free for students, teachers, and families.District partnerships build on that foundation with additional tools, insights, and support for an affordable price per student.Do teachers already use Khan Academy?Yes—millions of teachers already use Khan Academy in their classrooms.Teachers use it to assign practice, track progress, and support students at different levels. Because it’s simple to start, many teachers are already familiar with it before a district-wide rollout.How does Khan Academy support students at different levels?Khan Academy helps students start where they are and move forward at their own pace.Students who need extra support can build foundational skills step by step, while students who are ready can continue advancing—so every learner makes progress.Does Khan Academy actually improve learning outcomes?Yes. Research shows that students who practice more skills on Khan Academy see greater academic gains.Students in Khan Academy district partnerships are 6× more likely to reach 60 or more skills to proficiency, which can result in a 30 percentage point gain on standardized tests.As students build skills over time, their progress compounds—helping them close gaps and reach proficiency.How does Khan Academy support schools and districts?District partnerships provide additional tools and support to help schools implement Khan Academy at scale.- Open khanacademy.org in a real browser
- Wait for the page to finish rendering
The 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 khanacademy.org.
import { SpiderBrowser } from "spider-browser";
const spider = new SpiderBrowser({
apiKey: process.env.SPIDER_API_KEY!,
stealth: 2,
});
await spider.connect();
const page = spider.page!;
await page.goto("https://khanacademy.org/");
// Wait for the page to finish rendering
// No selectors, no schema. Spider reads the page and names the fields.
const data = await page.scrape();
console.log(data);
await spider.close();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://www.khanacademy.org/math/algebra");
await page.content(8000);
const data = await page.evaluate(`(() => {
const units = [];
document.querySelectorAll("[data-test-id='unit-header']").forEach(el => {
const title = el.querySelector("h2")?.textContent?.trim();
const lessons = el.closest("[data-test-id='unit-block']")?.querySelectorAll("[data-test-id='lesson-link']").length;
const description = el.querySelector("p")?.textContent?.trim();
if (title) units.push({ title, lessons, description });
});
return JSON.stringify({ total: units.length, units: units.slice(0, 15) });
})()`);
console.log(JSON.parse(data));
await spider.close();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 khanacademy.org costs to scrape.
The capture above cost $0.000581 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 khanacademy.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.