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

Non-Standard User-Agent Name

sogou spider

Mentions
6,783,496
0.52% of hostnames
Disallow All
485,707
7% of mentions
Allow
74,376
1% of mentions
Disallow All
+ Allow Some
3,816
0% of mentions
Disallow Some
5,148,116
75% of mentions
Disallow Some
+ Allow Some
3,157
0% of mentions
No Directives
1,068,319
15% of mentions
Average Crawl Delay
2
(when set)