LCP
Largest Contentful Paint
8.9s
Poor
Good: < 2.5s
Measures how long it takes for the main content to appear on screen
Optimize and Compress Images
How to optimize codezone.az
Ruby on Rails SiteScore: 39/100Analyzed December 2025
Optimize and Compress Images
High Impact+18 points estimated
Why It Matters
Large images waste 842 KiB of bandwidth and delay LCP by 350ms, particularly the oversized project images.
How to Fix
Resize project-6.webp from 3072x2008 to actual display size of 380x248 using ImageMagick in your Rails asset pipeline. Implement responsive images with srcset attributes. Add explicit width/height attributes to prevent layout shifts during image loading.
0Poor
What This Score Means
A score of 39 falls in the "Poor" 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
INP
Interaction to Next Paint
167ms
Good
Good: < 200ms
Measures how quickly the page responds to user interactions
CLS
Cumulative Layout Shift
0.86
Poor
Good: < 0.1
Measures visual stability - how much content shifts during page load
AI Performance Analysis
This website has severe performance issues with a critically low score of 39/100. The biggest problem is animated snowfall effects that are causing massive layout shifts (CLS score of 0.864), making the page visually unstable as content jumps around while loading. Additionally, the site is loading extremely slowly with an 8.9-second Largest Contentful Paint, primarily due to oversized images, unminified JavaScript/CSS files, and render-blocking resources. Removing or fixing the snowfall animation, optimizing images (which could save 842 KiB), and minifying code files could dramatically improve both stability and loading speed, potentially boosting the performance score by 40+ points.
Other Optimization Recommendations
Remove Snowfall Animation Effects
High Impact+25 points estimatedWhy It Matters:
Animated snowfall elements cause 0.864 CLS score with 15 layout shifts, severely impacting user experience.
How to Fix:
Disable the snowfall.css and related snowflake animations in your Rails application. Remove the snowfall script includes from your layout templates. If seasonal effects are needed, use CSS-only animations with fixed positioning that don't cause layout shifts.
Eliminate Render-Blocking CSS
Medium Impact+12 points estimatedWhy It Matters:
CSS files block initial page render for 620ms, delaying both FCP and LCP metrics.
How to Fix:
Inline critical above-the-fold CSS directly in your Rails layout template. Move non-critical CSS like snowfall.css to load asynchronously using media='print' onload='this.media="all"' technique. Minify main.css to save 8 KiB and reduce unused CSS rules by 87%.
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Related Performance Analyses
More Performance Analyses
Ruby on Rails Performance Resources
Eliminate Render-Blocking CSS
CSS files block initial page render for 620ms, delaying both FCP and LCP metrics.
Remove Snowfall Animation Effects
Animated snowfall elements cause 0.864 CLS score with 15 layout shifts, severely impacting user experience.
Add Image Dimensions
Missing width/height on logo images causes layout shifts that hurt user experience and CLS scores.
Eliminate Unused CSS Rules
92% of your CSS (35 KiB) is unused, adding unnecessary 150ms to LCP.
Frequently Asked Questions
Keep Your Site Fast After Optimization
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