Fix OneTrust Cookie Banner Shifts

How to optimize oldthorns.com

Generic SiteScore: 29/100Analyzed February 2026

Fix OneTrust Cookie Banner Shifts

High Impact+25 points estimated

Why It Matters

The cookie consent banner causes massive layout shifts (CLS: 0.14) accounting for all visual instability.

How to Fix

Reserve space for the OneTrust banner with CSS min-height or position it as fixed/absolute to avoid layout impact. Configure OneTrust to load synchronously or implement a placeholder div with matching dimensions before the banner loads.

0Poor

What This Score Means

A score of 29 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

LCP

Largest Contentful Paint

15.5s
Poor

Good: < 2.5s

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

INP

Interaction to Next Paint

339ms
Needs Improvement

Good: < 200ms

Measures how quickly the page responds to user interactions

CLS

Cumulative Layout Shift

0.14
Needs Improvement

Good: < 0.1

Measures visual stability - how much content shifts during page load

AI Performance Analysis

This website has severe performance problems with a critically low score of 29/100. The biggest issue is an extremely slow Largest Contentful Paint of 15.5 seconds, primarily caused by a cookie consent banner that's creating massive layout shifts and blocking the page from loading properly. The site is also drowning in unused JavaScript (926 KiB) and CSS (207 KiB), with render-blocking requests delaying the initial page load by over 5 seconds. Fixing the cookie banner implementation, removing unused code, and optimizing the 543 KiB of uncompressed images could dramatically improve load times and boost the performance score by 40+ points.

Other Optimization Recommendations

Optimize Largest Contentful Paint Element

High Impact+30 points estimated

Why It Matters:

LCP takes 15.5 seconds with a 3-second render delay, severely impacting user experience and Core Web Vitals.

How to Fix:

Identify the LCP element (likely the OneTrust policy text div) and optimize its loading. Preload critical resources, reduce server response time from 0.12ms, and eliminate render-blocking resources. Consider lazy-loading the cookie banner after initial page render.

Reduce Unused JavaScript and CSS

High Impact+20 points estimated

Why It Matters:

926 KiB of unused JavaScript and 207 KiB of unused CSS slow down page loading and block rendering.

How to Fix:

Remove or defer unused Elementor, reCAPTCHA, and Ultimate Addons scripts that aren't needed for above-the-fold content. Use WP Asset CleanUp to selectively disable plugins on specific pages. Implement code splitting to load features only when needed.

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