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Cloudflare Turnstile vs X-Clacks-Overhead

Based on 521 and 19 real audits

View Cloudflare Turnstile details | View X-Clacks-Overhead details
MetricCloudflare TurnstileX-Clacks-OverheadWinner
Performance5348Cloudflare Turnstile
Accessibility8988Cloudflare Turnstile
Best Practices8585Tie
SEO8088X-Clacks-Overhead
Security7171Tie
TTFB261ms322msCloudflare Turnstile
Composite7576X-Clacks-Overhead
Performance
Cloudflare Turnstile
53
X-Clacks-Overhead
48
Accessibility
Cloudflare Turnstile
89
X-Clacks-Overhead
88
Security
Cloudflare Turnstile
71
X-Clacks-Overhead
71
SEO
Cloudflare Turnstile
80
X-Clacks-Overhead
88
Composite
Cloudflare Turnstile
75
X-Clacks-Overhead
76

Cloudflare Turnstile outperforms X-Clacks-Overhead in 3 of 7 categories, with a stronger composite score (75 vs 76). X-Clacks-Overhead leads in SEO, composite score.

When to choose Cloudflare Turnstile

Choose Cloudflare Turnstile when your primary concern is server response time and performance. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose X-Clacks-Overhead

Choose X-Clacks-Overhead when your primary concern is SEO. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 521 audited Cloudflare Turnstile sites and 19 audited X-Clacks-Overhead sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, Cloudflare Turnstile or X-Clacks-Overhead?
Based on real BeaverCheck audits, Cloudflare Turnstile sites score higher on Lighthouse performance (53 vs 48 on average).
Which has better security, Cloudflare Turnstile or X-Clacks-Overhead?
Cloudflare Turnstile sites score higher on security analysis (71 vs 71 on average).
Which has better accessibility, Cloudflare Turnstile or X-Clacks-Overhead?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Cloudflare Turnstile (89 vs 88). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, Cloudflare Turnstile or X-Clacks-Overhead?
X-Clacks-Overhead sites score higher on Lighthouse SEO signals (88 vs 80 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), Cloudflare Turnstile or X-Clacks-Overhead?
Cloudflare Turnstile sites show lower Time to First Byte (261 ms vs 322 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose Cloudflare Turnstile or X-Clacks-Overhead for my website?
Both platforms have trade-offs. Cloudflare Turnstile scores higher on overall composite score while Cloudflare Turnstile may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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