WordPress Speed Test: Kinsta vs WP Engine vs Cloudways vs SiteGround
We ran identical WordPress sites on Kinsta, WP Engine, Cloudways, SiteGround, and Bluehost. Full speed test results and Core Web Vitals comparison.
Page speed directly impacts SEO rankings and conversion rates. We deployed identical WordPress 6.5 installs with the same theme, plugins, and content across five hosting platforms, testing from US, EU, and Asia locations.
Speed Test Results (Average Global Load Time)
Kinsta: 0.7s — Winner. Cloudways (DigitalOcean 2GB): 0.8s. WP Engine: 0.9s. SiteGround GrowBig: 1.1s. Bluehost Choice Plus: 1.8s. HostGator: 2.1s. The managed WordPress and cloud tiers cluster under 1 second. Shared hosting from Bluehost and HostGator falls behind significantly.
Core Web Vitals Pass Rates
Kinsta: 100% pass (LCP, FID, CLS). WP Engine: 98% pass. Cloudways: 97% pass. SiteGround: 89% pass. Bluehost: 72% pass. Google uses Core Web Vitals as ranking signals — managed hosting provides measurable SEO advantages.
Cost-Per-Millisecond Analysis
Kinsta ($35/mo) costs $50 per 100ms saved vs Bluehost. WP Engine ($20/mo) costs $22 per 100ms saved — best value for speed improvement. Cloudways ($14/mo) costs $17 per 100ms saved — best overall speed-per-dollar for non-WordPress-specific needs.
Recommendations by Site Type
Blog under 10K visits: Hostinger (adequate speed, lowest cost). Business WordPress: WP Engine (best value). High-traffic/WooCommerce: Kinsta (fastest). Developer/agency: Cloudways (flexible). Avoid Bluehost and HostGator for speed-sensitive sites.
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