AddToAny vs Stackla
Head-to-head usage across the sites we track.
Top sites by authority
AddToAny · Stackla · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
40
0
Open Page Rank 8+
537
0
Open Page Rank 7+
1,774
0
Open Page Rank 6+
3,096
0
Open Page Rank 5+
5,108
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
AddToAny · Stackla · share of sites in each country using one or the other
United States
28,528
55
India
15,362
32
Japan
14,343
28
Brazil
11,358
22
Italy
11,275
24
United Kingdom
10,551
42
France
10,430
30
Spain
10,271
26
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | AddToAny | Stackla |
|---|---|---|
| LCP | 2.2 s | 2.2 s |
| INP | 75 ms | 125 ms |
| CLS | 0 | 0 |
| TTFB | 1100 ms | 700 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.