CORE WEB VITALS
OPTIMIZATION SERVICE

Google ranks fast, smooth websites higher — and Core Web Vitals are how they measure it. Our optimization service uses AI-powered analysis to pinpoint the exact causes of poor LCP, INP, and CLS scores, prioritize fixes by impact, and bring your metrics into the green permanently — strengthening one of Google's most important ranking signals.

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What we do

Our core web vitals optimization solutions

Core Web Vitals Audit

Google uses three key metrics to judge your site's performance: LCP (Largest Contentful Paint – loading speed), INP (Interaction to Next Paint – responsiveness), and CLS (Cumulative Layout Shift – visual stability). We check each of them using both Google Search Console and PageSpeed Insights to pinpoint your biggest performance issues. Once we finish, you get a report with steps and recommendations on how to fix them for the fastest improvement.

We combine Google's own tools with AI-powered performance analysis that correlates CWV issues with their root causes — from render-blocking resources to inefficient JavaScript execution — giving you a clear, prioritized action plan.

Core Web Vitals Optimization

This is where we apply the necessary steps to optimize your product. To work efficiently and fast, we'll need access to your hosting, CMS, codebase, analytics, and performance monitoring tools. Our team will combine this data with proven frontend and backend optimization techniques to bring every metric into the green.

RUM (Real User Monitoring) Setup

Real User Monitoring collects performance data from visitors instead of synthetic lab tests, showing how your site behaves in real conditions. We set up RUM tracking for Core Web Vitals using tools like Google Analytics, Search Console, or dedicated monitoring platforms. This gives you continuous, accurate insights into loading speed, responsiveness, and visual stability — and alerts you the moment performance drops.

Core Web Vitals Consultancy

We provide expert advice on any Core Web Vitals challenge — from performance issues to planning long-term optimization strategies. We can also train your team to understand and improve LCP, INP, and CLS across different platforms and industries, such as e-commerce. Your developers and marketers will gain the skills and insights needed to keep these metrics in top shape without outside help.

Performance CRO & ROI Reporting

First of all, improving Core Web Vitals is about proving and increasing their impact on your business. We measure how performance changes affect bounce rate, engagement, and sales, then tune page structure, CTAs, and user flows to maximize conversions. Every change is tracked in detailed reports that connect speed gains to revenue growth, so you know exactly how technical improvements pay off.

flow

Typical core web vitals optimization flow

1

Preparation

We start by reviewing your current Core Web Vitals performance to understand what's holding your site back. This includes analyzing loading speed, responsiveness, and visual stability across key pages. From there, we pinpoint the most critical issues, set clear priorities, and build an optimization plan tailored to your goals.

2

Implementation

Once the plan is ready, we get to work — starting with the fixes that will have the biggest impact on your Core Web Vitals. Urgent issues are handled first to deliver fast wins, followed by deeper optimizations that secure long-term performance gains. Every change is made with stability in mind, so your website stays functional and provides an outstanding user experience throughout the process.

3

Final Testing

As a top Core Web Vitals service, we take testing seriously because even the best optimizations mean nothing if they fail in production. Cross-device and cross-browser checks confirm consistent speed and stability, while regression testing guarantees nothing breaks in the design or functionality.

4

Release & Support

We deploy all changes and monitor your site closely to ensure everything runs smoothly. Core Web Vitals stay in the green, and any issues are addressed before they can affect performance or rankings.

flow

How to start core web vitals optimization

1

Book a Free Core Web Vitals Consultation

Begin by speaking with one of our experts who has successfully optimized Core Web Vitals for SaaS, ecommerce, and e-learning businesses. He will review your current Core Web Vitals performance (LCP, INP, CLS), discuss your site's goals, and identify key areas that need improvement.

You'll leave this call knowing where your site stands and what's holding it back in Google rankings.

2

Get a Clear Optimization Plan

After the consultation, we'll prepare a detailed Core Web Vitals optimization plan with fixed pricing, timeline, and scope of work. You'll see exactly which fixes we'll apply, in what order, and the expected impact on your SEO, user experience, and conversions.

3

Start the Optimization Process

Once we've agreed on the plan, we'll handle the required access setup and assemble the team. We begin work immediately, focusing first on the fixes that deliver the biggest performance gains and fastest wins, ensuring your site moves toward all-green Core Web Vitals in the shortest possible time.

Impacting all aspects of website performance

Core Web Vitals reflect how fast and stable your site feels to users. When those metrics dip into the red or orange zones, it's a sign that visitors are experiencing friction and that your code, content, or overall setup has room for improvement.

Largest Contentful Paint

LCPGoodImprovePoor2.5s4.0s

Poor LCP may be caused by:

  • Slow Time to First Byte (TTFB)
  • Render-blocking JavaScript and CSS
  • Client-side rendering (CSR)

Interaction to Next Paint

INPGoodImprovePoor2.5s4.0s

Poor INP may be caused by:

  • Excessive events on the web page
  • Cumbersome event-processing logic
  • Render-blocking operations or scripts

Cumulative Layout Shift

CLSGoodImprovePoor2.5s4.0s

Poor CLS may be caused by:

  • Dynamically embedded content
  • Unoptimized media files
  • FOIT/FOUT-prone web fonts
Why The Frontend Company

Proud moments

Our performance optimization work has helped SaaS and e-commerce companies bring their Core Web Vitals into the green — improving Google rankings, reducing bounce rates, and increasing conversions. Backed by a 4.9/5 Clutch rating and real, measurable results.

Average Referral Rating

clutch logo

4.9

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Clutch, Spring Award 2025 Global

Clutch, Spring Award 2025 Global

Clutch 1000 2025

Clutch 1000 2025

Clutch, Spring Award 2024 Global

Clutch, Spring Award 2024 Global

Clutch, Top Angular Developers 2024

Clutch, Top Angular Developers 2024

Clutch, Top Developers 2024

Clutch, Top Developers 2024

Best Web Development 2023

Best Web Development 2023

Clutch, Fall Champion 2023 Global

Clutch, Fall Champion 2023 Global

Clutch 1000 2023

Clutch 1000 2023

Clutch, Top Company 2022

Clutch, Top Company 2022

Business of the year 2022

Business of the year 2022

TESTIMONIALS

What our clients say

David Grimm

CTO, Knots

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The Frontend Company quickly provided top talent who became key to our team. Reliable, responsive, and a pleasure to work with!

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Max Limper

CEO @ DGG, Creators of RapidPipeline

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Professional, communicative, and efficient team. They connected our headless CMS to a fast static site. Highly recommended!

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Steinar Aas

CEO & Co-Founder at Asio AS

Their flexibility and genuine interest in finding the best solution for the product was impressive.

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Chad Willard

CEO at Straddle

Their speed and professionalism are really impressive

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Bartek Czerwinski

CTO, Quik

TFC has the ability to dive in and get the work done creatively with a lot of personal input.

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Gilles Clément

Director & Product Engineering, SkillDirectory

They are young, talented, and extremely smart developers.

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Prasanna Elvis Eswara

Principal Consultant, Roost Digital

They were proactive and seemed eager to build a relationship.

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Georg Winkler

CEO, Xpertify

The different and very profound skillset of the TFC team was very impressive.

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Patrik Dvořák

CEO, SECTOR 31 s.r.o.y

Their responsiveness and accuracy were impressive. We highly recommend them

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Philipp Lenz

Co-Founder, parloo.de

There are a lot of companies that offer similar services but we’ve had an end-to-end good experience with them.

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Jacob Berg

CTO at Social Curator

I appreciated the level of comfort TFC made us feel. It was like being a part of a family.

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Let's work together

Let's create an interface that will outshine competitors and delight your clients. We will contact you within one business day to discuss the project and create a proposal based on your needs, budget, and timeline.

Contact us
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