MikroTik bandwidth-test server

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HTTP/1.1 400 Bad Request
Server: squid/3.5.12
Mime-Version: 1.0
Date: Wed, 01 May 2024 10:45:33 GMT
Content-Type: text/html;charset=utf-8
Content-Length: 3534
X-Squid-Error: ERR_INVALID_URL 0
Vary: Accept-Language
Content-Language: en
X-Cache: MISS from IPRENT.CN
X-Cache-Lookup: NONE from IPRENT.CN:6666
Via: 1.1 IPRENT.CN (squid/3.5.12)
Connection: close