Free tool

LCP + CLS Checklist

Use a quick checklist to improve Core Web Vitals.

Core Web VitalsChecklistInstant

100% Free to use
No credit card required
Works offline in your browser

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Why it helps

Ship faster pages

Track key tasks that reduce layout shift and speed up LCP.

Simple workflow

Use the checklist during audits and launches.

Core Web Vitals

LCP + CLS checklist

0/6 done

Optimize hero images and preload LCP assetsUse font-display swap and preload critical fontsReduce TTFB with caching and CDNReserve space for images, ads, and embedsAvoid layout shifts from late-loading fontsUse transform animations instead of layout changes

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How to use LCP/CLS Checklist for Maximum Social Media Growth

Supercharge your online reach with the LCP/CLS Checklist. Specifically built to help marketers, SEO specialists, and creators use a quick checklist to improve core web vitals. to boost algorithm visibility and conversion rates.

1. Select & Input

Upload your file or enter content directly in your web browser. 100% private and runs locally on your device.

2. Optimize & Format

Adjust settings, crop dimensions, or refine text tailored for social media algorithms and resolution standards.

3. Publish & AutoPost

Download your high-quality asset or push directly to Auto Poster AI to schedule automated posts across all channels.

Ship faster pages

Track key tasks that reduce layout shift and speed up LCP.

Simple workflow

Use the checklist during audits and launches.

Why Formatting Consistency Matters

Social media algorithms favor content that meets platform recommendations. Using optimized tools like LCP/CLS Checklist helps prevent compression artifacts, aspect ratio distortion, and text cut-offs on mobile feeds.