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

Non-Standard User-Agent Name

Sogou inst spider

Mentions
361,732
0.03% of hostnames
Disallow All
150,178
41% of mentions
Allow
34,879
9% of mentions
Disallow All
+ Allow Some
217
0% of mentions
Disallow Some
8,461
2% of mentions
Disallow Some
+ Allow Some
763
0% of mentions
No Directives
167,233
46% of mentions
Average Crawl Delay
24
(when set)