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

Non-Standard User-Agent Name

Sogou spider2

Mentions
265,205
0.02% of hostnames
Disallow All
53,713
20% of mentions
Allow
30,540
11% of mentions
Disallow All
+ Allow Some
81
0% of mentions
Disallow Some
9,727
3% of mentions
Disallow Some
+ Allow Some
676
0% of mentions
No Directives
170,467
64% of mentions
Average Crawl Delay
73
(when set)