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Category: Blogs

Substack

Based on 2 real audits

46
Avg. Performance
72
Avg. Accessibility
77
Avg. Best Practices
92
Avg. SEO
62
Avg. Security
73
Avg. Composite
46 /100
Avg. Performance
228 ms
Avg. TTFB
73 /100
Avg. Composite
2
Sites Audited

How Substack sites compare

Substack sites tend to score below average on performance (46/100), compared to the global average of 56/100.

Recent Audits

SitePerformanceGradeAudited
substack.com38C2026-04-16
www.substack.com55C2026-04-07

Commonly Used With

Sites that use Substack also commonly use:

Node.js Programming languages 2iOS app Other 2Cloudflare Bot Management Security 2Express Web frameworks 2Sentry Issue trackers 2Google Play app Other 2React Router JavaScript frameworks 2React JavaScript frameworks 2Cloudflare CDN 2HSTS Security 2

Compare with...

Substack vs Node.jsSubstack vs iOS appSubstack vs Cloudflare Bot ManagementSubstack vs ExpressSubstack vs SentrySubstack vs Google Play appSubstack vs React RouterSubstack vs ReactSubstack vs CloudflareSubstack vs HSTS

FAQ

What is the average Lighthouse performance score for Substack sites?
Based on 2 real audits, Substack sites score an average of 46/100 on Lighthouse performance.
How does Substack compare on web security?
Substack sites score an average security grade of 62/100 in BeaverCheck audits.
What is the average page load time for Substack websites?
The average Time to First Byte (TTFB) for Substack sites is 228ms based on 2 audits.
How can I improve my Substack site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your Substack site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

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