Page Speed Test
Check your website loading speed and performance bottlenecks
Result for: https://sina.com.cn
Tested at: 2026-04-21 04:11:55
72
良好
Performance Score: 72/100
⏱ Performance Metrics
Total Load Time
2.45 s
Time to First Byte (TTFB)
1.42 s
DNS Resolution
433 ms
TCP Connection
477 ms
SSL Handshake
527 ms
Page Size
112.3 KB
HTTP Status
200
💡 Optimization Suggestions
首字节时间过长
TTFB为1.42 s，建议优化服务器响应速度。可考虑使用CDN、优化数据库查询、启用服务器缓存。
DNS解析较慢
DNS解析耗时433 ms，建议使用更快的DNS服务商或CDN提供商。