duolingo.com vs. grammarly.com

HTTP/2 Support:
  
  
HTTPS Support:
  
  
Daily Unique Visitors:
2,360,668 
 2,267,662
Monthly Visits:
71,528,240 
 68,710,159
PageViews per user:
6.38 
 2.89
Daily Pageviews:
15,061,063 
 6,553,542
Avg. visit duration:
09:25 
 02:36
Bounce Rate:
33.79 
 40.48
Global Reach:
0.0478845% 
 0.0459979%
HypeRank:
675 
 1,506
SemRush Rank:
1,558 
 285
SimilarWeb Rank:
517 
 759
Total Backlinks:
3,712,592 
 2,792,105
Follow Links:
2,993,722 
 2,650,966
Nofollow Links:
718,869 
 141,138
Referring Domains:
7,651 
 9,470
Referring IPs:
5,444 
 7,436
Authority Domain Score:
79 
 88
Page Load Time:
206ms 
 319ms
Page Speed Score Desktop:
79 
 84
Page Speed Score Mobile:
20 
 35
Organic Keywords:
197,260 
967,940
Organic Traffic:
1,907,268 
 10,508,088
Organic Cost:
 $1,784,477.00 
 $7,556,203.00
Moz Domain Authority:
n/a 
 n/a
Moz Page Authority:
n/a 
 n/a
MozRank:
n/a 
 n/a
Daily Revenue:
$56,876.84 
 $25,975.34
Website Value:
$63,730,358.32 
 $27,858,756.92