buffer.com — Website Report
Scored 81/100 · Scanned with Foglift
buffer.com scored 81 — top 15% of sites we've scanned.
Quick wins
~49 min total fix timehttps://buffer.com/resources/social-media-image-sizes/#why-do-social-media-image-sizes-matter · 2026-07-09
Scanned with Foglift · Technical Audit + AI Readiness analysis
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Issues Found (8)
Add a Content-Security-Policy header to prevent XSS and injection attacks.
# Nginx:
add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline';" always;
# Apache (.htaccess):
Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'unsafe-inline';"
# Next.js (next.config.js headers):
{ key: 'Content-Security-Policy', value: "default-src 'self'; script-src 'self' 'unsafe-inline'" }Add a Referrer-Policy header to control information leakage.
# Nginx:
add_header Referrer-Policy "strict-origin-when-cross-origin" always;
# Next.js (next.config.js headers):
{ key: 'Referrer-Policy', value: 'strict-origin-when-cross-origin' }Add a Permissions-Policy header to control browser feature access.
# Nginx:
add_header Permissions-Policy "camera=(), microphone=(), geolocation=()" always;
# Next.js (next.config.js headers):
{ key: 'Permissions-Policy', value: 'camera=(), microphone=(), geolocation=()' }Your HTML is 456KB. Large HTML documents take longer to parse. Consider lazy loading content or splitting into multiple pages.
Loading 7 CSS files. Each blocks rendering. Consider combining stylesheets or inlining critical CSS.
Heading hierarchy jumps from H1 to H3. Don't skip heading levels — this confuses screen readers and assistive technology.
Add <link rel='preconnect'> for critical third-party domains to reduce connection setup time.
<!-- Add to <head> for your critical third-party domains -->
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="dns-prefetch" href="https://cdn.example.com">Add a 'Skip to main content' link at the top of the page so keyboard users can bypass repetitive navigation.
<!-- Add as the first element inside <body> -->
<a href="#main-content" class="sr-only focus:not-sr-only focus:absolute focus:top-2 focus:left-2 focus:z-50 focus:px-4 focus:py-2 focus:bg-blue-600 focus:text-white focus:rounded">
Skip to main content
</a>
<!-- Add id to your main content area -->
<main id="main-content">
...
</main>Your Potential Score
81
Now
95
Potential
+14 points possible by fixing 8 issues
That moves you from B to A — top 5% of all websites
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