Extendify vs RankMath SEO
Head-to-head usage across the sites we track.
Detections for Extendify end in Apr 2023. The fingerprint catalog behind our crawls no longer carries that technology as its own entry, usually because it was retired or split into more specific ones, so its figure is the last recorded and is not directly comparable with a currently tracked technology.
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 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
1,217
109,603
India
648
68,337
Germany
450
48,243
Spain
335
38,558
United Kingdom
510
38,357
France
358
33,928
Brazil
400
32,196
Italy
385
32,163
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 | 1300 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.
Extendify to RankMath SEO
| Domain | When |
|---|---|
| dentop.ro | Mar 2026 |
| skinessence.co.in | Dec 2025 |