How I know this plugin is working?

`Status: Connected
Client: Predis (v2.0.0)
Drop-in: Valid
Disabled: No
Ping: PONG
Errors: []
PhpRedis: Not loaded
Relay: Not loaded
Predis: 2.0.0
Credis: Not loaded
PHP Version: 7.4.32
Plugin Version: 2.2.0
Redis Version: 6.0.16
Multisite: No
Metrics: Enabled
Metrics recorded: 222
Filesystem: Working
Global Prefix: “wp_”
Blog Prefix: “wp_”
WP_REDIS_HOST: “127.0.0.1”
WP_REDIS_PORT: 6379
WP_REDIS_DATABASE: 0
WP_REDIS_TIMEOUT: 1
WP_REDIS_READ_TIMEOUT: 1
WP_CACHE_KEY_SALT: “ply-alfa.unddev.net”
Global Groups: [
“blog-details”,
“blog-id-cache”,
“blog-lookup”,
“global-posts”,
“networks”,
“rss”,
“sites”,
“site-details”,
“site-lookup”,
“site-options”,
“site-transient”,
“users”,
“useremail”,
“userlogins”,
“usermeta”,
“user_meta”,
“userslugs”,
“redis-cache”,
“blog_meta”
]
Ignored Groups: [
“counts”,
“plugins”,
“themes”
]
Unflushable Groups: []
Groups Types: {
“blog-details”: “global”,
“blog-id-cache”: “global”,
“blog-lookup”: “global”,
“global-posts”: “global”,
“networks”: “global”,
“rss”: “global”,
“sites”: “global”,
“site-details”: “global”,
“site-lookup”: “global”,
“site-options”: “global”,
“site-transient”: “global”,
“users”: “global”,
“useremail”: “global”,
“userlogins”: “global”,
“usermeta”: “global”,
“user_meta”: “global”,
“userslugs”: “global”,
“redis-cache”: “global”,
“counts”: “ignored”,
“plugins”: “ignored”,
“themes”: “ignored”,
“blog_meta”: “global”
}
Drop-ins: [
“Redis Object Cache Drop-In v2.2.0 by Till Krüss”
]`

It’ show graph but I check header when refresh web page

`Cache-Control: no-cache, must-revalidate, max-age=0
Connection: keep-alive
Content-Encoding: gzip
Content-Type: text/html; charset=UTF-8
Date: Wed, 19 Oct 2022 07:38:30 GMT
Expires: Wed, 11 Jan 1984 05:00:00 GMT
Fastcgi-Cache: BYPASS
Link: <http://ply-alfa.unddev.net/index.php?rest_route=/&gt;; rel=”https://api.w.org/&#8221;
Server: nginx/1.18.0
Transfer-Encoding: chunked`

I solved. It should to add fastcgi cache config in vhost on nginx.

Thank you for your help