Faster85
#5,586 of 19,164
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Real-user data through
Recent
CrUX rolling 28-day window
Page and vendor scan
Recent
Latest usable Lighthouse measurement
Sitemap checked
Stale
Latest recorded sitemap check · over 12 days old
Head to head
Faster
Provider average79
#14 of 24 providers
Verdict
Simmons Rockwell Chevrolet Buick Gmc is faster
Scores 85 vs 79 and wins 5 of 5 Core Web Vitals. Main content renders 17% sooner.
Metric by metric
Real-user figures are the 75th percentile of Chrome visits.
Metric
Simmons Rockwell Chevrolet Buick Gmc
Dealer.comReal-user experience
Performance score
Weighted Core Web Vitals · higher is better
85
+6 pts
79
Largest Contentful Paint
LCP · lower is better
1,851 ms
17% faster
2,217 ms
Interaction to Next Paint
INP · lower is better
330 ms
8% faster
361 ms
Cumulative Layout Shift
CLS · lower is better
0.08
0.09 less shift
0.17
First Contentful Paint
FCP · lower is better
1,359 ms
14% faster
1,586 ms
Time to First Byte
TTFB · lower is better
1,001 ms
5% faster
1,053 ms
Lab test · home page
Page weight
Home page download · lower is better
9.87 MB
9.3 MB
6% lighter
Requests
Files the home page loads · lower is better
577
306
271 fewer
Third-party requests
Outside scripts and pixels · lower is better
477
227
250 fewer
JavaScript
Script download · lower is better
5.92 MB
4.23 MB
29% lighter
SEO
Lighthouse · higher is better
100
+6 pts
94
Accessibility
Lighthouse · higher is better
89
91
+2 pts
Best practices
Lighthouse · higher is better
46
56
+10 pts
More matchups
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