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How to Automate Publishing to CSDN and WeChat MP Using Playwright (When APIs Fail)

Overview Today's focus was on automating article publishing to CSDN and WeChat MP (微信公众号) using Playwright, after CSDN deprecated its public Open API.…

playwrightbrowserautomationcsdnpipeline
Dev.to Jun 15, 2026, 03:05 UTC
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Email Testing Guide for Developers (2026 Edition)

Email is the test surface nobody wants to own. It's asynchronous, depends on external providers, has its own version of "flaky" (sometimes a delivery …

playwrightwebdevprogrammingdevops
Dev.to Jun 14, 2026, 11:16 UTC
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Running 100 Playwright Tests in Parallel Without Inbox Collisions

If you've ever tried to run a large Playwright test suite in parallel — the kind that tests email verification flows, magic links, or password resets …

playwrighttestingcicdgithubactions
Dev.to Jun 12, 2026, 22:07 UTC
EN

What Actually Breaks Test Automation After the Demo

Most test automation demos are too clean. The demo app is stable. The login flow is simple. The selectors are obvious. The data is predictable. CI is …

testingqaautomationplaywright
Dev.to Jun 12, 2026, 19:17 UTC
EN

MailHog Alternatives for CI Pipelines in 2026

MailHog was the go-to fake SMTP server for years. It's simple, free, and gets the job done locally. But if you've tried to use it in a modern CI pipel…

testingcicdplaywrightdevops
Dev.to Jun 11, 2026, 19:10 UTC
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I automated my Gumroad product screenshots with Playwright

I automated my Gumroad product screenshots with Playwright I recently started packaging a few small frontend projects as digital products, and one sur…

nextjswebdevplaywrightjavascript
Dev.to Jun 11, 2026, 03:32 UTC
EN

How We Optimized a Django Playwright Scraper to Save 60% on Rotating Proxy Bandwidth

As indie hackers and backend developers, we love using modern browser automation frameworks like Playwright to handle heavy, JavaScript-rendered dynam…

pythondjangowebscrapingplaywright
Dev.to Jun 11, 2026, 01:32 UTC
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Scarab Field Test #022 — Playwright Worker Response Header Hang

Target: microsoft/playwright Issue: microsoft/playwright#39948 Status: local patch prepared and validated Patch commit: 269228a88 — fix(chromium): res…

aiopsplaywrightdevopsbitcoin
Dev.to Jun 10, 2026, 01:09 UTC
EN

How to Scrape E-Commerce Sites for AI Agents Using Playwright and LLMs

TL;DR AI agents require structured JSON data (prices, specifications, availability), but modern e-commerce sites serve heavily obfuscated, JavaScript-…

webscrapingaiagentsplaywrightllm
Dev.to Jun 9, 2026, 10:41 UTC
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Capstone: A 100-Test Suite, End to End (Playwright + TypeScript, Ch.26)

This is where everything comes together. Over the course we built a layered Playwright TypeScript framework — fixtures, Page Objects, API + UI + integ…

playwrighttypescripttestingwebdev
Dev.to Jun 8, 2026, 23:19 UTC
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Advanced: Network Mocking, Visual & Accessibility (Playwright + TypeScript, Ch.22)

Welcome to Part 6 . The framework is solid; now we add three powerful kinds of test that go beyond "click and assert text." Code for this chapter is t…

playwrighttypescripttestingwebdev
Dev.to Jun 8, 2026, 22:11 UTC
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How to test email verification flows in Playwright (Mailpit, MailHog, and a no-setup alternative)

If you've ever tried to write a Playwright test that covers a full sign-up → email verification → login flow, you've hit the same wall: how do you act…

playwrighttestingwebdevjavascript
Dev.to Jun 8, 2026, 20:35 UTC
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Debugging & Developer Experience (Playwright + TypeScript, Ch.6)

A test fails on CI with expect(locator).toBeVisible() failed . Now what? Guessing is slow and demoralizing. Playwright ships a genuinely excellent deb…

playwrighttypescripttestingwebdev
Dev.to Jun 8, 2026, 14:40 UTC
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Why a Test Automation Framework? (Playwright + TypeScript, Ch.1)

Welcome to the first chapter of a hands-on course where we build a production-grade Playwright + TypeScript automation framework — covering both API a…

playwrighttypescripttestingwebdev
Dev.to Jun 8, 2026, 12:37 UTC
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10 Playwright Tips That Will Change How You Write Tests

I remember the first week I seriously used Playwright. I was migrating a 200-test WDIO suite. I thought it would take two weeks. It took four days. No…

playwrighttestautomationjavascriptqa
Dev.to Jun 6, 2026, 11:18 UTC
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Testing Email Workflows Without Email Server — With Playwright & Mokapi

Email is one of those things that's genuinely hard to test. It goes out through an SMTP server, lands in a real inbox, and you have no programmatic wa…

apimockemailplaywright
Dev.to Jun 5, 2026, 22:07 UTC
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I Built an ML Bitcoin Trading Bot — Then Proved It Had No Edge.

A case study in building crypto trading infrastructure and, more importantly, testing it honestly — including when the honest answer is "no edge." Wha…

machinelearningpythondatascienceplaywright
Dev.to Jun 2, 2026, 17:21 UTC
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Testing email flows in Playwright without a mail server

Every QA engineer has written a test like this at some point: test ( ' user receives verification email ' , async ({ page }) => { await page . goto…

playwrighttestingwebdevjavascript
Dev.to Jun 1, 2026, 22:24 UTC
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I Built a One-Person AI QA Agency Using a Skill File and Local LLM

There is a specific failure mode in AI-assisted QA work that most tooling discussions skip entirely, and it shows up earliest when you are working sol…

testingaiautomationplaywright
Dev.to Jun 1, 2026, 00:22 UTC
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Why green CI doesn't mean your system works

A case study: how a TypeScript migration doubled my test runs — with zero failures CI was green. Tests were passing. PRs were merging. The system was …

testingplaywrighttypescriptci
Dev.to May 27, 2026, 11:25 UTC
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I Cut My AI Test Automation Cost by 300x by Ditching Vision Models

I Cut My AI Test Automation Cost by 300x by Ditching Vision Models From $0.011 per step to $0.00004 — here's how I learned vision models are overkill …

aitestingdeepseekplaywright
Dev.to May 20, 2026, 06:41 UTC
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My Browser Test Passed. The User Was Never Logged In.

That single moment changed how I think about browser automation entirely. When I started building browser automation tooling around Playwright, I expe…

playwrighttestingautomationwebdev
Dev.to May 19, 2026, 09:40 UTC
EN

How We Halved Our Playwright E2E Suite

Five patterns that took a slow, flaky Playwright suite down to fast and stable. We had a Playwright E2E suite that had grown into a painful, flaky par…

e2eplaywright
Dev.to May 19, 2026, 09:37 UTC
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Designing an Account Context Manifest for AI Browser Agents

Your AI browser agent can open a page. It can click buttons. It can fill forms. It can even complete a workflow that looks correct from the outside. B…

aiplaywrightautomationwebdev
Dev.to May 18, 2026, 08:17 UTC
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Six Principles in Practice: How an Agentic E2E Found 11 Production Bugs in 8 Runs

Eight runs, eleven bugs I ran my E2E testing system on a production ecommerce platform eight times in a row – across five different business modules, …

llmagentskillsplaywrighte2e
Dev.to May 18, 2026, 07:23 UTC
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The itgps-agent: Bringing Studio-Managed Configs to Your Local Workflow

The itgps-agent: Bringing Studio-Managed Configs to Your Local Workflow In Part 1 and Part 2 , we explored ITG Playwright Studio's web interface for m…

playwrighttestingautomationcli
Dev.to May 11, 2026, 04:14 UTC
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A Visual Tour of ITG Playwright Studio: Managing Tests Through a Web Interface

A Visual Tour of ITG Playwright Studio In Part 1 , we discussed why managing Playwright tests at scale is challenging and introduced ITG Playwright St…

playwrighttestingautomationdevops
Dev.to May 11, 2026, 04:13 UTC
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Playwright is Powerful, But Managing It at Scale? That's Another Story

Playwright is Powerful, But Managing It at Scale? That's Another Story If you've worked with Playwright, you know it's an incredible tool for end-to-e…

playwrighttestingautomationdevops
Dev.to May 11, 2026, 04:12 UTC
EN

"Persisting your real Chrome login across Playwright restarts on macOS"

Every macOS reboot, the same ritual. Open the Playwright-controlled Chrome window, see seven publishing tabs all logged out, and spend the next ten mi…

playwrightchromemacosautomation
Dev.to May 10, 2026, 02:08 UTC
EN

How I Built a Screenshot API That Doesn't Suck

How I Built a Screenshot API That Developers Can Actually Trust After spending too many nights babysitting headless Chrome, I stopped trying to make a…

webdevplaywrightapiopensource
Dev.to May 6, 2026, 18:37 UTC

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