Extendify vs RankMath SEO
Head-to-head usage across the sites we track.
Top sites by authority
Extendify · RankMath SEO · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
0
23
Open Page Rank 8+
0
344
Open Page Rank 7+
0
1,429
Open Page Rank 6+
0
3,203
Open Page Rank 5+
0
6,653
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Extendify · RankMath SEO · share of sites in each country using one or the other
United States
1,411
125,647
India
794
80,255
Germany
531
54,659
United Kingdom
595
43,847
Spain
380
41,448
France
422
41,204
Brazil
459
36,283
Italy
429
36,163
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Extendify | RankMath SEO |
|---|---|---|
| LCP | 2.3 s | 2.3 s |
| INP | 75 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 1200 ms | 1200 ms |
Median site's p75 values from the Chrome UX Report, Jun 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.
Extendify to RankMath SEO
| Domain | When |
|---|---|
| dentop.ro | Mar 2026 |
| skinessence.co.in | Dec 2025 |
| dxtrainingandfitness.com | Sep 2025 |