Note According to RFC 9309 standard (2.2.1), this user-agent name is technically incorrect.

Non-Standard User-Agent Name

sogou spider

Mentions
6,184,861
0.52% of hostnames
Disallow All
495,854
8% of mentions
Allow
59,745
0% of mentions
Disallow All
+ Allow Some
3,850
0% of mentions
Disallow Some
4,570,419
73% of mentions
Disallow Some
+ Allow Some
3,127
0% of mentions
No Directives
1,051,861
17% of mentions
Average Crawl Delay
2
(when set)