The
Pingdom Tools does not support the most modern compression algorithm - brotli. Nginx on your server uses Brotli firstly.
gzip also works if asked explicitly:
curl --compressed -k -vvv https://kalombo.ru
* Trying 49.12.134.105:443...
* Connected to kalombo.ru (49.12.134.105) port 443 (#0)
* ALPN: offers h2,http/1.1
* (304) (OUT), TLS handshake, Client hello (1):
* (304) (IN), TLS handshake, Server hello (2):
* (304) (IN), TLS handshake, Unknown (8):
* (304) (IN), TLS handshake, Certificate (11):
* (304) (IN), TLS handshake, CERT verify (15):
* (304) (IN), TLS handshake, Finished (20):
* (304) (OUT), TLS handshake, Finished (20):
* SSL connection using TLSv1.3 / AEAD-CHACHA20-POLY1305-SHA256
* ALPN: server accepted h2
* Server certificate:
* subject: CN=kalombo.ru
* start date: Jul 21 17:57:28 2023 GMT
* expire date: Oct 19 17:57:27 2023 GMT
* issuer: C=US; O=Let's Encrypt; CN=R3
* SSL certificate verify ok.
* using HTTP/2
* h2 [:method: GET]
* h2 [:scheme: https]
* h2 [:authority: kalombo.ru]
* h2 [user-agent: curl/8.1.2]
* h2 [accept: */*]
* h2 [accept-encoding: deflate, gzip]
* Using Stream ID: 1 (easy handle 0x13f80bc00)
> GET / HTTP/2
> Host: kalombo.ru
> User-Agent: curl/8.1.2
> Accept: */*
> Accept-Encoding: deflate, gzip
>
< HTTP/2 200
< server: nginx
< date: Tue, 12 Sep 2023 16:26:26 GMT
< content-type: text/html; charset=UTF-8
< x-powered-by: PHP/8.2.10
< pragma: no-cache
< cache-control: max-age=0, must-revalidate, no-cache, no-store
< expires: Mon, 12 Sep 2022 16:16:24 GMT
< x-content-type-options: nosniff
< x-xss-protection: 1; mode=block
< x-frame-options: SAMEORIGIN
< set-cookie: PHPSESSID=2n8j111n57ac5n23lv5i5kg7ig; expires=Fri, 22 Sep 2023 16:26:26 GMT; Max-Age=864000; path=/; domain=kalombo.ru; secure; HttpOnly; SameSite=Lax
< x-permitted-cross-domain-policies: none
< expect-ct: max-age=86400, enforce
< vary: User-Agent
< x-ua-compatible: IE=edge
< access-control-allow-methods: GET,PUT,POST,DELETE,OPTIONS
< access-control-allow-headers: x-requested-with
< x-powered-by: PleskLin
< strict-transport-security: max-age=31536000; includeSubDomains; preload
< content-security-policy: frame-ancestors 'self';
< content-encoding: gzip