"What's the best way to handle screen scraping in Node.js for dynamic websites?"
Hey folks! 👋 So I've been diving into screen scraping node js for a project, and man, dynamic sites are a pain. They load content with JS, so basic HTTP requests don't cut it.
I've tried Puppeteer—works great but feels heavy. Cheerio's faster, but only if the data's static. Any pro tips here?
Also, how do y'all handle rate limits? Got blocked twice already 😅. Rotating proxies? Delays?
Oh, and is there a lighter alternative to Puppeteer for screen scraping node js? Playwright? Something else?
Thanks in advance! 🙏
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*PS: Sorry for typos, typing on my phone!*
Puppeteer is solid for screen scraping node js, but yeah, it’s a beast. If you want something lighter, check out Playwright—it’s like Puppeteer’s sleeker cousin. Handles dynamic content well and has better cross-browser support.
For rate limits, rotating proxies are a must. I use ScraperAPI or Bright Data—they handle IP rotation for you. Also, add random delays between requests (like 2-5s) to avoid tripping alarms.
Cheerio’s great for static stuff, but if you’re stuck with JS-heavy sites, Playwright’s your best bet.
Honestly, screen scraping node js is a headache with dynamic sites. I’ve been there!
Try Playwright—it’s faster than Puppeteer and less resource-heavy. For rate limits, use residential proxies (Luminati’s good but pricey). Also, mimic human behavior: randomize click patterns, scroll delays, etc.
If you’re feeling adventurous, check out Apify—it’s a scraping framework that handles a lot of the dirty work for you.
For dynamic sites, you gotta go headless. Puppeteer’s heavy, but it works. Playwright’s another option—similar API, but more optimized.
Rate limits? Proxies + delays. Free ones are risky, so invest in a good proxy service. Also, set `user-agent` rotation—some sites block default Puppeteer ones.
If you’re scraping a ton, maybe look into Scrapy + Splash (not Node, but just saying).
Hey! I’ve been doing screen scraping node js for a while, and dynamic sites are the worst.
Playwright’s a good alternative—lighter and faster. For rate limits, I use a combo of proxies (Smartproxy’s decent) and exponential backoff. Like, start with 1s delay, double if blocked.
Also, check if the site has an API first—scraping should be last resort.
Puppeteer’s overkill for simple stuff, but for dynamic content, it’s hard to beat. Playwright’s a bit better on resources, though.
For avoiding blocks:
- Rotate user agents
- Use residential proxies (Storm Proxies is affordable)
- Add jitter to your delays (not just fixed 2s waits)
Cheerio’s useless if the data’s loaded via JS, so stick with headless browsers.
Thanks for all the tips, everyone! Playwright seems like the move—gonna test it out tonight.
Quick follow-up: anyone tried Playwright with TypeScript? Heard it’s got great TS support, but curious about real-world use.
Also, lol @ the Cloudflare comment—yeah, those sites are the worst. Might just avoid them entirely for now.
Appreciate the proxy recs too. Gonna check out ScraperAPI first since it seems beginner-friendly. Cheers! 🍻
If you’re doing screen scraping node js on dynamic sites, Playwright > Puppeteer. Less memory hog, same power.
Rate limits suck—I got banned so many times lol. Now I use:
- Proxy rotation (Oxylabs or GeoSurf)
- Randomized delays (1-10s)
- Headless browsers in stealth mode (puppeteer-extra-plugin-stealth)
Also, avoid scraping during peak hours. Sites are more trigger-happy then.
Playwright’s my go-to for screen scraping node js now. Puppeteer’s good, but Playwright’s just… smoother.
For rate limits, yeah, proxies are key. I use a mix of datacenter and residential (depending on the site’s sensitivity). Also, cache responses if you can—no point re-scraping the same data.
Oh, and if the site has Cloudflare, good luck. You’ll need more than just proxies.
