Faster95
#418 of 19,161
Real-user data through
Recent
CrUX rolling 28-day window
Page and vendor scan
Recent
Latest usable Lighthouse measurement
Sitemap checked
Not availableNo data
Latest recorded sitemap check
Head to head
Faster
Provider average87
#4 of 24 providers
Verdict
Spearfish GMC is faster
Scores 95 vs 87 and wins 5 of 5 Core Web Vitals. Main content renders 33% sooner.
Metric by metric
Real-user figures are the 75th percentile of Chrome visits.
Metric
Spearfish GMC
DealerOnReal-user experience
Performance score
Weighted Core Web Vitals · higher is better
95
+7 pts
87
Largest Contentful Paint
LCP · lower is better
1,096 ms
33% faster
1,627 ms
Interaction to Next Paint
INP · lower is better
144 ms
22% faster
185 ms
Cumulative Layout Shift
CLS · lower is better
0.05
0.10 less shift
0.15
First Contentful Paint
FCP · lower is better
915 ms
27% faster
1,255 ms
Time to First Byte
TTFB · lower is better
687 ms
3% faster
710 ms
Lab test · home page
Page weight
Home page download · lower is better
17.8 MB
13.2 MB
26% lighter
Requests
Files the home page loads · lower is better
232
62 fewer
294
Third-party requests
Outside scripts and pixels · lower is better
134
62 fewer
196
JavaScript
Script download · lower is better
3.78 MB
15% lighter
4.43 MB
SEO
Lighthouse · higher is better
92
93
+1 pts
Accessibility
Lighthouse · higher is better
97
+5 pts
92
Best practices
Lighthouse · higher is better
69
75
+6 pts
More matchups
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