Optimize and Compress Images

How to optimize tim.blog

WordPress SiteScore: 77/100Analyzed February 2026

Optimize and Compress Images

High Impact+18 points estimated

Why It Matters

Images are causing a 1.55 second delay in LCP and consuming 326 KiB of unnecessary bandwidth.

How to Fix

Install ShortPixel or Smush plugin to automatically compress the podcast-phone-optimized.png and book images. Implement responsive images using WordPress's srcset feature to serve appropriate sizes. Convert PNG images to WebP format for 30-50% additional savings.

0Needs Improvement

What This Score Means

A score of 77 falls in the "Needs Improvement" range (50-89). While it is better than poor (0-49), you should aim for 90+ to provide an optimal user experience and maximize SEO benefits.

This site is slower than approximately 35% of similar sites. The main issues affecting performance are image optimization, JavaScript execution time, and layout stability.

Addressing these issues could improve your conversion rate by 15-20% and boost your search engine rankings.

Core Web Vitals Analysis

LCP

Largest Contentful Paint

5.8s
Poor

Good: < 2.5s

Measures how long it takes for the main content to appear on screen

INP

Interaction to Next Paint

67ms
Good

Good: < 200ms

Measures how quickly the page responds to user interactions

CLS

Cumulative Layout Shift

0.00
Good

Good: < 0.1

Measures visual stability - how much content shifts during page load

AI Performance Analysis

This WordPress site has below-average performance with a score of 77/100, but faces significant loading speed issues. The biggest problem is extremely slow image loading, with the Largest Contentful Paint taking 5.8 seconds - far longer than the recommended 2.5 seconds. Two oversized and poorly compressed images are wasting 326 KiB of data and could be reduced by over 75% through better compression and responsive sizing. Additionally, the site has 46 KiB of unused CSS that could be removed, and some JavaScript is causing forced reflows that hurt performance. Optimizing these images alone could improve loading speed by 1.5 seconds and significantly boost the user experience.

Other Optimization Recommendations

Eliminate Forced Layout Reflows

High Impact+12 points estimated

Why It Matters:

JavaScript is forcing 39.5ms of unnecessary layout recalculations, blocking the main thread and delaying interactivity.

How to Fix:

Identify scripts reading DOM geometry properties like offsetWidth after style changes. Move these measurements to before DOM modifications or use requestAnimationFrame. Consider deferring non-critical JavaScript that manipulates layout.

Remove Unused CSS Rules

Medium Impact+8 points estimated

Why It Matters:

46 KiB of unused CSS (81% waste) is unnecessarily bloating your stylesheets and slowing initial render.

How to Fix:

Use Asset CleanUp or Autoptimize plugin to identify and remove unused CSS rules. Split critical above-the-fold CSS inline and defer the rest. Consider using PurgeCSS to automatically clean WordPress theme stylesheets.

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Keep Your Site Fast After Optimization

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