{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreiengwklgt6jfby7fz4mwc5owzmr3hfdwb3eokwzjjbwh6oevllij4",
    "uri": "at://did:plc:mtlichqueulxtosdgev5gjew/app.bsky.feed.post/3mm4awwpmzmh2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreihqgchmtug3mq2cwmy346yluqitrd6pofneu567josnpo3jtlgvdm"
    },
    "mimeType": "image/png",
    "size": 16097
  },
  "path": "/webnoma/2026/05/20260518.html?ref=rss",
  "publishedAt": "2026-05-18T06:32:08.677Z",
  "site": "https://blogs.itmedia.co.jp",
  "tags": [
    "HTML"
  ],
  "textContent": "Webパフォーマンスの文脈では、次世代画像フォーマットとして「WebP」「AVI...",
  "title": "WebP・AVIFは本当に正解か｜軽さと引き換えに失われるもの",
  "updatedAt": "2026-05-18T00:03:07.000Z"
}