RackCache vs WP Rocket
Head-to-head usage across the sites we track.
Top sites by authority
RackCache · WP Rocket · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
2
24
Open Page Rank 8+
37
445
Open Page Rank 7+
109
1,944
Open Page Rank 6+
185
4,532
Open Page Rank 5+
279
9,711
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
RackCache · WP Rocket · share of sites in each country using one or the other
United States
5,043
115,886
France
1,111
50,275
Germany
1,367
48,780
United Kingdom
1,685
37,408
Brazil
1,058
37,299
India
1,576
36,110
Spain
1,021
33,842
Canada
1,950
29,618
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | RackCache | WP Rocket |
|---|---|---|
| LCP | 2 s | 2 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 900 ms | 1100 ms |
Median site's p75 values from the Chrome UX Report, Sep 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.
Sites that switched
Domains that dropped one technology and adopted the other within about a year, data nobody else gives away free.
RackCache to WP Rocket
| Domain | When |
|---|---|
| gravesgolf.com | Jul 2026 |
| treeoflife.legal | May 2026 |
| badeboss.tw | Oct 2025 |
WP Rocket to RackCache
| Domain | When |
|---|---|
| heroladies.com | May 2026 |
| belief2005.com | Feb 2026 |