Testing website speed...
Performance Grade
F
Load Time
2169ms
Page Size
3879.94KB
Requests
98

Detailed Performance Analysis

GZIP Compression
✓ Yes
Expires Headers
✗ No
DNS Lookups
47.43
DOM Elements
751

Optimization Recommendations

Core Web Vitals Improvement Needed

Your website's speed grade is <strong>F</strong>. This may negatively impact your rankings on Google. Improving load times to under 2.5 seconds is critical for mobile users.

Optimize Images & Media

Ensure all images are compressed and served in modern formats like WebP. Lazy loading images can also significantly improve initial load times for users on slower connections.

Recent Speed Tests

# Domain Grade Load Time Last Tested
81 netflix.com A 944ms 2026-04-15 21:05
82 googleblog.com F 5732ms 2026-04-15 21:02
83 prepostseo.com C 2498ms 2026-04-15 20:54
84 justice.gov F 5511ms 2026-04-15 20:03
85 lichess.org D 1342ms 2026-04-15 19:34
86 moz.com F 2426ms 2026-04-15 19:11
87 sitechecker.pro F 27048ms 2026-04-15 18:50
88 analytics.google.com A 91ms 2026-04-15 18:41
89 nbcnews.com F 5400ms 2026-04-15 18:37
90 calameo.com F 2305ms 2026-04-15 18:31
91 dw.com D 5316ms 2026-04-15 18:15
92 knowledgeowl.com F 1049ms 2026-04-15 17:49
93 github.com F 703ms 2026-04-15 17:15
94 amazon.com F 1974ms 2026-04-15 17:14
95 reg.ru F 34851ms 2026-04-15 17:08
96 fiber.google.com D 791ms 2026-04-15 16:40
97 arxiv.org A 171ms 2026-04-15 16:35
98 sitelike.org F 7907ms 2026-04-15 15:15
99 donnerberg.net F 4157ms 2026-04-15 15:04
100 youtube.com F 3451ms 2026-04-15 14:32