duolingo.com vs. preply.com

HTTP/2 Support:
  
  
HTTPS Support:
  
  
Daily Unique Visitors:
2,360,668 
 541,972
Monthly Visits:
71,528,240 
 16,421,752
PageViews per user:
6.38 
 4.65
Daily Pageviews:
15,061,063 
 2,521,352
Avg. visit duration:
09:25 
 06:56
Bounce Rate:
33.79 
 44.02
Global Reach:
0.0478845% 
 0.0109935%
HypeRank:
675 
 5,328
SemRush Rank:
1,558 
 1,611
SimilarWeb Rank:
517 
 3879
Total Backlinks:
3,712,592 
 1,610,017
Follow Links:
2,993,722 
 n/a
Nofollow Links:
718,869 
 n/a
Referring Domains:
7,651 
 47,037
Referring IPs:
5,444 
 38,625
Authority Domain Score:
79 
 75
Page Load Time:
206ms 
 150ms
Page Speed Score Desktop:
79 
 91
Page Speed Score Mobile:
20 
 n/a
Organic Keywords:
197,260 
488,984
Organic Traffic:
1,907,268 
 1,741,105
Organic Cost:
 $1,784,477.00 
 $849,996.00
Moz Domain Authority:
n/a 
 80
Moz Page Authority:
n/a 
 64
MozRank:
n/a 
 6
Daily Revenue:
$56,876.84 
 $8,516.83
Website Value:
$63,730,358.32 
 $8,847,294.19