\n To understand SEO properly, it helps to first understand\n how Google crawls the web.\n Once your site is indexed, use\n Google Search Console\n to monitor actual indexing status and catch issues early.\n
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\n```\n\n**INP (Interaction to Next Paint)** — how quickly the page responds to clicks and taps. Target: under **200ms**. Replaced FID in **March 2024**.\n\n```javascript\n// Long-running synchronous tasks block the main thread\n// Break them into chunks to keep the page responsive\n\nasync function processLargeDataset(items) {\n const CHUNK_SIZE = 50;\n\n for (let i = 0; i < items.length; i += CHUNK_SIZE) {\n const chunk = items.slice(i, i + CHUNK_SIZE);\n processChunk(chunk);\n\n // Yield control back to the browser between chunks\n await new Promise(resolve => setTimeout(resolve, 0));\n }\n}\n```\n\nMeasure all three at PageSpeed Insights. Enter any URL, get a full report with scores and specific recommendations. The tool is free. There is no excuse to not run it.\n\n---\n\n## 🔗 11. Internal linking: navigating your own site for bots and users\n\nExternal backlinks get all the attention. Internal links are underrated.\n\n```html\n