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/index /technical-seo/core-web-vitals

Core Web Vitals — Technical SEO

Crawling, indexing, rendering, performance and everything the bots must do to find and understand your site.

All Technical SEO (50)Crawling & Indexing (18)Site Architecture (7)Structured Data (7)Core Web Vitals (8)International SEO (4)Security & HTTPS (0)Sitemap & Indexing Files (0)URL Architecture (6)
medium

Serve responsive images with srcset

Give the browser several widths and let it pick per device.

high

Serve responsive images with next/image

One component handles sizing, formats and lazy loading.

high

Reduce INP to under 200 milliseconds

Long tasks block the main thread; break them up and defer the rest.

medium

Load fonts with next/font to avoid layout shift

Self-hosted fonts remove the third-party request and the jump.

low

Lazy-load below-the-fold images

Defer offscreen media, never the hero.

medium

Keep CLS under 0.1 on every page

Reserve space before content arrives and stop shifting the page.

high

Improve LCP to under 2.5 seconds

Find the LCP element first, then remove its four delays.

low

Use modern image formats

AVIF and WebP cut bytes at the same visual quality.

Your agent can apply every Technical SEO tip in one session.

The MCP server reads your repository, filters this category down to what applies, and returns the ordered steps with their checks.

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FAQ

What are the highest-impact Technical SEO tasks?
Serve responsive images with srcset; Serve responsive images with next/image; Reduce INP to under 200 milliseconds
How many Technical SEO tips are indexed?
8 published tips in this category, each with steps and a verification check.
Can an agent apply Technical SEO changes?
Yes. Connect the MCP server, profile the repository, and the plan orders these tips with checks the agent can run.