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GSC · Core Web Vitals

Core Web Vitals fix — LCP, INP, CLS based on the Experience report

The Core Web Vitals report in GSC flags URLs as Poor or Needs improvement. These are real signals Google uses for ranking, and I fix them based on field data from real users — not just Lighthouse lab data. ₪1,200-2,800 one-time.

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Core Web Vitals fix — LCP, INP, CLS based on the Experience report - Shivuknet
Why this works

Why this works

The Core Web Vitals report in Google Search Console shows the three metrics Google measures through CrUX (Chrome User Experience Report), pulled from real users who browsed your site over the last 28 days.

LCP measures when the largest viewport element finishes loading. INP measures responsiveness to user interaction. CLS measures visual stability during load. Each metric gets a verdict — Good, Needs improvement, or Poor.

Treatment always starts on mobile. The report splits results between mobile and desktop, and mobile is where the bulk of traffic lives and where the harder problems sit. Desktop fixes follow once mobile clears.

LCP + INP + CLS analysis

Full mapping of every URL in Poor and Needs improvement, broken down by metric, with root cause identified — heavy image, blocking JS, font shift, or unstable layout.

Image + JS optimization

Conversion to WebP/AVIF, proper lazy loading, preload for the LCP image, defer and async for scripts, bundle splitting, dead-code removal to lift INP.

Validation in PageSpeed Insights

After each fix I run PSI on mobile and desktop, check both lab and field data, and confirm I did not break something else.

Validate + re-test in GSC

Validate fix triggered in the report, 28 days of fresh field data tracked, before/after summary per URL touched.

Process

How we work

  1. 1

    Export the Experience report

    Every URL in Poor and Needs improvement pulled, broken down by metric, with the highest-impression pages flagged.

  2. 2

    Diagnose root cause

    For each URL group I find the real cause — large hero image, third-party JS, web fonts, ads, or unstable CSS.

  3. 3

    Apply fixes

    Image optimization, JS defer, font preload, reserved space for images and iframes, main-thread blocking reduced.

  4. 4

    Validate and measure

    Validate fix triggered in the report, daily monitoring, summary report after 28 days with before/after comparison.

Pricing

Core Web Vitals fix — from Poor to Good

₪1,200-2,800 one-time

Range depends on URL count and infrastructure complexity. Up to 50 URLs starts at ₪1,200; larger sites up to ₪2,800. Includes 30-day follow-up.

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Common questions

FAQ

Does CWV really affect ranking?

Yes, but as a tiebreaker. Google confirmed CWV is a ranking signal, though weaker than relevant content. The difference shows up mainly in competitive niches where everyone has similar content quality — there, CWV can be the gap between position 3 and position 1.

What is the difference between lab and field data?

Lab data is what Lighthouse or PageSpeed Insights measure in a controlled environment on a specific server. Field data is what real users experienced in Chrome in the last 28 days. GSC uses field data only, which is what matters to fix.

How long until the report updates?

The report runs on a 28-day rolling window. Clicking Validate fix restarts Google's tracking. Meaningful change in the report shows up inside 14-28 days, with the exact timing depending on how much traffic the page sees.

Ready to begin

Let us help

Send a message describing what you need and we will reply with a quote and recommended next step within an hour during business hours.

WhatsApp +972-54-238-3789 support@shivuknet.co.il
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