Items / Web Server / Usage Of [ ESF ]
ESF
ESF is a proprietary web server software that Google uses for its web infrastructure.
 Site Count (1521)
English 1468
Chinese 46
French 2
Swedish 1
Portuguese 1
 Language Usage Rate
English0.104%
Portuguese0.007%
Swedish0.005%
Chinese0.004%
French0.003%
 Detection Rule
{
  "header": {
    "keys": [
      {
        "name": "server",
        "matchChars": [
          "ESF"
        ]
      }
    ]
  }
}
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