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const { chromium } = require('playwright'); async function checkAssets(url) { const browser = await chromium.launch(); const page = await browser.newPage(); const oversizedImages = []; page.on('response', async (response) => { const contentType = response.headers()['content-type'] || ''; if (contentType.includes('image')) { const buffer = await response.body().catch(() => null); if (buffer && buffer.length > 1_000_000) { // > 1MB oversizedImages.push({ url: response.url(), size: buffer.length }); } } }); await page.goto(url, { waitUntil: 'networkidle' }); await browser.close(); return oversizedImages; }