Facebook Chat Plugin vs Schedule Engine
Head-to-head usage across the sites we track.
Top sites by authority
Facebook Chat Plugin · Schedule Engine · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
8
0
Open Page Rank 8+
62
0
Open Page Rank 7+
191
0
Open Page Rank 6+
341
0
Open Page Rank 5+
559
0
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
Facebook Chat Plugin · Schedule Engine · share of sites in each country using one or the other
Vietnam
11,331
1
United States
8,892
314
Poland
4,641
2
Thailand
3,959
1
United Kingdom
3,807
3
Canada
3,789
10
India
3,748
9
Taiwan
3,302
1
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | Facebook Chat Plugin | Schedule Engine |
|---|---|---|
| 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, 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.