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
454,741
0.03% of hostnames
Disallow All
164,725
36% of mentions
Allow
95,046
20% of mentions
Disallow All
+ Allow Some
247
0% of mentions
Disallow Some
14,197
3% of mentions
Disallow Some
+ Allow Some
904
0% of mentions
No Directives
179,621
39% of mentions
Average Crawl Delay
24
(when set)