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AIArif Iqbalarifiqbal.hashnode.dev9h ago · 15 min read

Optimizing Wappalyzer + Playwright in Docker: Preventing Runaway CPU and Memory Usage

Browser automation can become surprisingly expensive when it runs continuously in a backend pipeline. A task that looks simple at the application level: Website → Detect technologies → Return JSON ma

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AAutomationDataCampautomationdatacamp.hashnode.dev17h ago · 5 min read

Playwright with Python and pytest: a complete, tested tutorial (from first script to CI)

Playwright for Python installs with two commands and runs with pytest through the page fixture. This tutorial goes from a first script to GitHub Actions: locators, auto-retrying assertions, Codegen, T

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AIAyesha Iftikharaishayy.hashnode.dev1d ago · 4 min read

Prerendering a Vite + React SPA with Playwright so crawlers and AI agents see real HTML

PDF Perfect is a plain Vite + React single-page app. Every PDF tool runs in the browser, so there's no server-side logic at all, and I wanted to keep it that way. That created an SEO problem: every UR

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DDelldell1sec.hashnode.dev2d ago · 7 min read

Testing Signup Flows with Playwright and a Free Temp Mail API

Every end-to-end test suite eventually hits the same wall: your signup flow sends a verification email, and your test needs to read it. Spinning up real mailboxes is slow and flaky. Paid inbox APIs (M

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Ttechtutorialshashnode8d89a8techlabautohash.hashnode.dev3d ago · 6 min read

I ran headless browsers inside a 1.9 GB cgroup and got 8 OOM kills a day

A year of "just use Playwright in headless mode" advice did not prepare me for the part nobody blogs about: the sandbox around the browser. I build automated agents that register accounts and post con

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SSymfonyCastssymfonycasts.hashnode.dev3d ago · 8 min read

Playwright-PHP Changes the Game for Symfony Testing

“We migrated our browser test suite from Panther to Playwright…Went from ~39 seconds to ~18 seconds. And now it’s possible to run this suite with paratest… since we can parallelize it now!” Jon Wage

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SKSai Krishna Oggusaikrishnaoggu.hashnode.dev4d ago · 11 min read

How To Design a Test Automation Strategy for a New Product Using Playwright?

When a new product enters development, one of the first questions teams ask is: “How quickly can we automate the application?” I think the better question is: “What should we automate, how should we a

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KLKrystin Limtheunscriptedk.hashnode.dev4d ago · 4 min read

How to scrape web content cleanly for LLM pipelines

I am Krystin, the non-technical co-founder of EnConvert. Most of what I know about RAG pipelines I learned from being in the room while engineers described what was breaking. Web content extraction co

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FFFred Fengfredfeng.hashnode.dev5d ago · 15 min read

Greenfinger 2.0: One url in, a searchable archive out

Crawl the whole site. Keep every page, every picture, every version.Search it by words, by meaning, or by describing a picture you remember.Add a node and it goes faster. Kill one and it keeps going.N

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Ttechtutorialshashnode8d89a8techlabautohash.hashnode.devSep 24 · 6 min read

I burned a 2 GB residential proxy in a weekend — the real numbers

Every "how to automate signups" post opens with captcha solving. I get it — captcha is visible, captcha is annoying, and captcha makes a satisfying war story. But after a weekend of running registrati

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Trending tags this week

Optimizing Wappalyzer + Playwright in Docker: Preventing Runaway CPU and Memory Usage

Playwright with Python and pytest: a complete, tested tutorial (from first script to CI)

Prerendering a Vite + React SPA with Playwright so crawlers and AI agents see real HTML

Testing Signup Flows with Playwright and a Free Temp Mail API

I ran headless browsers inside a 1.9 GB cgroup and got 8 OOM kills a day

Playwright-PHP Changes the Game for Symfony Testing

How To Design a Test Automation Strategy for a New Product Using Playwright?

How to scrape web content cleanly for LLM pipelines

Greenfinger 2.0: One url in, a searchable archive out

I burned a 2 GB residential proxy in a weekend — the real numbers