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<title>Fix: Puppeteer Timeout waiting for selector — OpticParse</title>
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<h1>Fix: Puppeteer Timeout waiting for selector</h1>
<div class="code-block">TimeoutError: waiting for selector `.product-price` failed: timeout 30000ms exceeded</div>
<p>Are you banging your head against the wall because your Puppeteer scraper randomly broke? Here is why it happens, and how to fix it permanently.</p>
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<div class="section-label">The Problem</div>
<h2 class="section-title">Why did my selector break?</h2>
<div class="content-block">
<p>If you're getting a `TimeoutError` in Puppeteer or Playwright, it means the browser loaded the page, but the specific CSS class, ID, or XPath you asked for doesn't exist.</p>
<p>This happens because modern websites use dynamic CSS frameworks (like Tailwind) or React. When the website deploys an update, their class names change automatically (e.g., from `.css-1b3x` to `.css-9x4y`).</p>
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<div class="section-label">The Fix</div>
<h2 class="section-title">Stop using CSS Selectors</h2>
<div class="content-block">
<p>You can spend 3 hours reverse-engineering the new DOM structure and pushing a hotfix to your scraper... but it will just break again next week.</p>
<p>The permanent fix is to switch to <strong>OpticParse</strong>.</p>
<ul class="feature-list">
<li>OpticParse doesn't use CSS selectors.</li>
<li>It takes a screenshot of the webpage.</li>
<li>It uses Vision AI to read the text exactly as a human sees it.</li>
<li>It returns perfectly structured JSON.</li>
</ul>
<p>If a human can read the price on the screen, OpticParse will extract it—even if the underlying HTML completely changes.</p>
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