Archived Performance Report for:

http://zillow.com/

Mon, Jul 5, 2021 5:13 PM -0700
Vancouver, Canada
Chrome (Desktop) 90.0.4430.212, Lighthouse 7.4.0

GTmetrix Grade

Performance 

100%

Structure 

95%

Web Vitals

Largest Contentful PaintLCP 

670ms

Total Blocking TimeTBT 

37ms

Cumulative Layout ShiftCLS 

0

Speed Visualization

0.7s
1.4s
2s
2.7s
3.4s
4.1s
4.8s
5.5s
6.1s
6.8s

Top Issues

These audits are identified as the top issues impacting your performance.

Impact Audit
Med Use a Content Delivery Network (CDN) 57 resources found
Med-Low Serve static assets with an efficient cache policy Potential savings of 172KB
Med-Low Avoid an excessive DOM size 1,223 elements
Low Reduce unused JavaScript Potential savings of 135KB
Low Avoid enormous network payloads Total size was 0.97MB

Focus on these audits first

These audits likely have the largest impact on your page performance.

Structure audits do not directly affect your Performance Score, but improving the audits seen here can help as a starting point for overall performance gains.

See all Structure audits

Page Details

Your page content is broken down into the following:

6.8s

Fully Loaded Time

Total Page Size - 0.97MB

JS
569KB
IMG
233KB
Other
98KB
HTML
58.9KB
Font
33.3KB

Total Page Requests - 246

Other
43.5%
IMG
27.2%
JS
20.7%
HTML
6.9%
Font
1.2%
CSS
0.4%

Relative Score

The average score for this recommendation is XX%

Learn more