[{"data":1,"prerenderedAt":574},["ShallowReactive",2],{"content-/favicon-google-search":3,"all-pages-for-dir":552,"related-/favicon-google-search":553,"og-image-/favicon-google-search":573},{"id":4,"title":5,"body":6,"category":537,"concepts":537,"description":538,"extension":539,"meta":540,"navigation":278,"ogImage":537,"path":541,"project_name":537,"published":542,"publishedAt":543,"seo":544,"source":537,"stem":545,"tags":546,"todo":537,"unpublished":542,"updatedAt":537,"__hash__":551},"pages/2026-01/2026-01-05/favicon-google-search.md","Google検索結果でファビコンが表示されない原因と対処法",{"type":7,"value":8,"toc":521},"minimark",[9,13,17,21,28,31,44,47,59,62,65,70,80,83,87,235,238,242,301,304,308,318,333,336,341,352,355,358,362,368,458,462,470,473,476,479,514,517],[10,11,5],"h1",{"id":12},"google検索結果でファビコンが表示されない原因と対処法",[14,15,16],"p",{},"Google検索結果でサイトのファビコンがグレーの丸アイコンで表示される問題を調査した記録。",[18,19,20],"h2",{"id":20},"結論",[14,22,23,27],{},[24,25,26],"strong",{},"設定は正しいが、Googleがまだクロールしていないだけ。"," 数日〜数週間で反映される。",[14,29,30],{},"対処法：",[32,33,34,38,41],"ol",{},[35,36,37],"li",{},"robots.txtでファビコンへのアクセスを明示的に許可",[35,39,40],{},"Google Search Consoleで「インデックス登録をリクエスト」",[35,42,43],{},"待つ",[18,45,46],{"id":46},"問題",[14,48,49,53,54],{},[50,51,52],"code",{},"site:log.eurekapu.com"," で検索すると、ファビコンが表示されずグレーの丸アイコンになっている。\n",[55,56],"img",{"alt":57,"src":58},"alt text","/2026-01/2026-01-05/image-1.png",[14,60,61],{},"サイトにはファビコンを設定しているはずなのに、なぜ反映されないのか。",[18,63,64],{"id":64},"調査",[66,67,69],"h3",{"id":68},"_1-ファビコンファイルの存在確認","1. ファビコンファイルの存在確認",[71,72,77],"pre",{"className":73,"code":75,"language":76},[74],"language-text","apps/web/public/\n├── favicon.svg\n├── favicon.ico (15KB, 16x16/32x32/48x48の3サイズ含む)\n└── apple-touch-icon.png\n","text",[50,78,75],{"__ignoreMap":79},"",[14,81,82],{},"ファイルは存在している。",[66,84,86],{"id":85},"_2-htmlヘッダーの確認","2. HTMLヘッダーの確認",[71,88,92],{"className":89,"code":90,"language":91,"meta":79,"style":79},"language-html shiki shiki-themes vitesse-light vitesse-light","\u003Clink rel=\"icon\" type=\"image/svg+xml\" href=\"/favicon.svg\" />\n\u003Clink rel=\"icon\" type=\"image/x-icon\" href=\"/favicon.ico\" />\n\u003Clink rel=\"apple-touch-icon\" sizes=\"180x180\" href=\"/apple-touch-icon.png\" />\n","html",[50,93,94,151,192],{"__ignoreMap":79},[95,96,99,103,107,111,114,118,122,124,127,129,131,134,136,139,141,143,146,148],"span",{"class":97,"line":98},"line",1,[95,100,102],{"class":101},"shFtX","\u003C",[95,104,106],{"class":105},"sHkkW","link",[95,108,110],{"class":109},"s4oTP"," rel",[95,112,113],{"class":101},"=",[95,115,117],{"class":116},"sMJiu","\"",[95,119,121],{"class":120},"sdGka","icon",[95,123,117],{"class":116},[95,125,126],{"class":109}," type",[95,128,113],{"class":101},[95,130,117],{"class":116},[95,132,133],{"class":120},"image/svg+xml",[95,135,117],{"class":116},[95,137,138],{"class":109}," href",[95,140,113],{"class":101},[95,142,117],{"class":116},[95,144,145],{"class":120},"/favicon.svg",[95,147,117],{"class":116},[95,149,150],{"class":101}," />\n",[95,152,154,156,158,160,162,164,166,168,170,172,174,177,179,181,183,185,188,190],{"class":97,"line":153},2,[95,155,102],{"class":101},[95,157,106],{"class":105},[95,159,110],{"class":109},[95,161,113],{"class":101},[95,163,117],{"class":116},[95,165,121],{"class":120},[95,167,117],{"class":116},[95,169,126],{"class":109},[95,171,113],{"class":101},[95,173,117],{"class":116},[95,175,176],{"class":120},"image/x-icon",[95,178,117],{"class":116},[95,180,138],{"class":109},[95,182,113],{"class":101},[95,184,117],{"class":116},[95,186,187],{"class":120},"/favicon.ico",[95,189,117],{"class":116},[95,191,150],{"class":101},[95,193,195,197,199,201,203,205,208,210,213,215,217,220,222,224,226,228,231,233],{"class":97,"line":194},3,[95,196,102],{"class":101},[95,198,106],{"class":105},[95,200,110],{"class":109},[95,202,113],{"class":101},[95,204,117],{"class":116},[95,206,207],{"class":120},"apple-touch-icon",[95,209,117],{"class":116},[95,211,212],{"class":109}," sizes",[95,214,113],{"class":101},[95,216,117],{"class":116},[95,218,219],{"class":120},"180x180",[95,221,117],{"class":116},[95,223,138],{"class":109},[95,225,113],{"class":101},[95,227,117],{"class":116},[95,229,230],{"class":120},"/apple-touch-icon.png",[95,232,117],{"class":116},[95,234,150],{"class":101},[14,236,237],{},"正しく設定されている。",[66,239,241],{"id":240},"_3-httpアクセスの確認","3. HTTPアクセスの確認",[71,243,247],{"className":244,"code":245,"language":246,"meta":79,"style":79},"language-bash shiki shiki-themes vitesse-light vitesse-light","curl -I https://log.eurekapu.com/favicon.ico\n# HTTP/1.1 200 OK\n# Content-Type: image/vnd.microsoft.icon\n\ncurl -I https://log.eurekapu.com/favicon.svg\n# HTTP/1.1 200 OK\n# Content-Type: image/svg+xml\n","bash",[50,248,249,262,268,273,280,290,295],{"__ignoreMap":79},[95,250,251,255,259],{"class":97,"line":98},[95,252,254],{"class":253},"senZ8","curl",[95,256,258],{"class":257},"snbK4"," -I",[95,260,261],{"class":120}," https://log.eurekapu.com/favicon.ico\n",[95,263,264],{"class":97,"line":153},[95,265,267],{"class":266},"sxvE3","# HTTP/1.1 200 OK\n",[95,269,270],{"class":97,"line":194},[95,271,272],{"class":266},"# Content-Type: image/vnd.microsoft.icon\n",[95,274,276],{"class":97,"line":275},4,[95,277,279],{"emptyLinePlaceholder":278},true,"\n",[95,281,283,285,287],{"class":97,"line":282},5,[95,284,254],{"class":253},[95,286,258],{"class":257},[95,288,289],{"class":120}," https://log.eurekapu.com/favicon.svg\n",[95,291,293],{"class":97,"line":292},6,[95,294,267],{"class":266},[95,296,298],{"class":97,"line":297},7,[95,299,300],{"class":266},"# Content-Type: image/svg+xml\n",[14,302,303],{},"正常にアクセスできる。",[66,305,307],{"id":306},"_4-googleのファビコン要件","4. Googleのファビコン要件",[14,309,310,317],{},[311,312,316],"a",{"href":313,"rel":314},"https://developers.google.com/search/docs/appearance/favicon-in-search",[315],"nofollow","Googleの公式ドキュメント","によると：",[319,320,321,324,327,330],"ul",{},[35,322,323],{},"最低48x48ピクセル以上を推奨（対応済み）",[35,325,326],{},"1:1のアスペクト比（対応済み）",[35,328,329],{},"ICO, PNG, SVG形式（対応済み）",[35,331,332],{},"robots.txtでブロックされていないこと",[18,334,335],{"id":335},"原因",[14,337,338],{},[24,339,340],{},"Googleがまだファビコンをクロールしていない。",[319,342,343,346,349],{},[35,344,345],{},"サイト自体は20時間前にインデックスされている",[35,347,348],{},"ファビコンのクロールは別途行われ、数日〜数週間かかることがある",[35,350,351],{},"グレーの丸アイコンは「ファビコン未取得」のデフォルト表示",[14,353,354],{},"robots.txtが存在しなかったため、明示的な許可がなかった点にも改善の余地がある。",[18,356,357],{"id":357},"対処法",[66,359,361],{"id":360},"robotstxtを追加","robots.txtを追加",[14,363,364,367],{},[50,365,366],{},"apps/web/public/robots.txt"," を作成：",[71,369,373],{"className":370,"code":371,"language":372,"meta":79,"style":79},"language-txt shiki shiki-themes vitesse-light vitesse-light","User-agent: *\nAllow: /\n\n# Favicon access\nUser-agent: Googlebot\nAllow: /favicon.ico\nAllow: /favicon.svg\nAllow: /apple-touch-icon.png\n\nUser-agent: Googlebot-Image\nAllow: /favicon.ico\nAllow: /favicon.svg\nAllow: /apple-touch-icon.png\n\n# Sitemap\nSitemap: https://log.eurekapu.com/sitemap.xml\n","txt",[50,374,375,380,385,389,394,399,404,409,415,420,426,431,436,441,446,452],{"__ignoreMap":79},[95,376,377],{"class":97,"line":98},[95,378,379],{},"User-agent: *\n",[95,381,382],{"class":97,"line":153},[95,383,384],{},"Allow: /\n",[95,386,387],{"class":97,"line":194},[95,388,279],{"emptyLinePlaceholder":278},[95,390,391],{"class":97,"line":275},[95,392,393],{},"# Favicon access\n",[95,395,396],{"class":97,"line":282},[95,397,398],{},"User-agent: Googlebot\n",[95,400,401],{"class":97,"line":292},[95,402,403],{},"Allow: /favicon.ico\n",[95,405,406],{"class":97,"line":297},[95,407,408],{},"Allow: /favicon.svg\n",[95,410,412],{"class":97,"line":411},8,[95,413,414],{},"Allow: /apple-touch-icon.png\n",[95,416,418],{"class":97,"line":417},9,[95,419,279],{"emptyLinePlaceholder":278},[95,421,423],{"class":97,"line":422},10,[95,424,425],{},"User-agent: Googlebot-Image\n",[95,427,429],{"class":97,"line":428},11,[95,430,403],{},[95,432,434],{"class":97,"line":433},12,[95,435,408],{},[95,437,439],{"class":97,"line":438},13,[95,440,414],{},[95,442,444],{"class":97,"line":443},14,[95,445,279],{"emptyLinePlaceholder":278},[95,447,449],{"class":97,"line":448},15,[95,450,451],{},"# Sitemap\n",[95,453,455],{"class":97,"line":454},16,[95,456,457],{},"Sitemap: https://log.eurekapu.com/sitemap.xml\n",[66,459,461],{"id":460},"google-search-consoleでの操作","Google Search Consoleでの操作",[32,463,464,467],{},[35,465,466],{},"URL検査でホームページURLを入力",[35,468,469],{},"「インデックス登録をリクエスト」をクリック",[14,471,472],{},"再クロール時にファビコンも取得される可能性が高まる。",[18,474,475],{"id":475},"まとめ",[14,477,478],{},"ファビコンがGoogle検索結果に表示されない場合：",[32,480,481,487,497,503,508],{},[35,482,483,486],{},[24,484,485],{},"まずファイルの存在とアクセスを確認"," - HTTPステータス200で返るか",[35,488,489,492,493,496],{},[24,490,491],{},"HTMLヘッダーの設定を確認"," - ",[50,494,495],{},"\u003Clink rel=\"icon\">"," が正しいか",[35,498,499,502],{},[24,500,501],{},"Googleの要件を満たしているか確認"," - 48px以上、1:1比率",[35,504,505],{},[24,506,507],{},"robots.txtでブロックされていないか確認",[35,509,510,513],{},[24,511,512],{},"上記が全て問題なければ、待つ"," - Googleのクロールには時間がかかる",[14,515,516],{},"新しいサイトや変更後は、反映まで数日〜数週間かかることを念頭に置く。",[518,519,520],"style",{},"html pre.shiki code .shFtX, html code.shiki .shFtX{--shiki-default:#999999;--shiki-dark:#999999}html pre.shiki code .sHkkW, html code.shiki .sHkkW{--shiki-default:#1E754F;--shiki-dark:#1E754F}html pre.shiki code .s4oTP, html code.shiki .s4oTP{--shiki-default:#B07D48;--shiki-dark:#B07D48}html pre.shiki code .sMJiu, html code.shiki .sMJiu{--shiki-default:#B5695977;--shiki-dark:#B5695977}html pre.shiki code .sdGka, html code.shiki .sdGka{--shiki-default:#B56959;--shiki-dark:#B56959}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .senZ8, html code.shiki .senZ8{--shiki-default:#59873A;--shiki-dark:#59873A}html pre.shiki code .snbK4, html code.shiki .snbK4{--shiki-default:#A65E2B;--shiki-dark:#A65E2B}html pre.shiki code .sxvE3, html code.shiki .sxvE3{--shiki-default:#A0ADA0;--shiki-dark:#A0ADA0}",{"title":79,"searchDepth":153,"depth":153,"links":522},[523,524,525,531,532,536],{"id":20,"depth":153,"text":20},{"id":46,"depth":153,"text":46},{"id":64,"depth":153,"text":64,"children":526},[527,528,529,530],{"id":68,"depth":194,"text":69},{"id":85,"depth":194,"text":86},{"id":240,"depth":194,"text":241},{"id":306,"depth":194,"text":307},{"id":335,"depth":153,"text":335},{"id":357,"depth":153,"text":357,"children":533},[534,535],{"id":360,"depth":194,"text":361},{"id":460,"depth":194,"text":461},{"id":475,"depth":153,"text":475},null,"サイトにファビコンを設定しているのにGoogle検索結果でグレーの丸アイコンになる問題を調査。robots.txtの設定とGoogleのクロールタイミングについて解説","md",{},"/favicon-google-search",false,"2026-01-05T00:00:00.000Z",{"title":5,"description":538},"2026-01/2026-01-05/favicon-google-search",[547,548,549,550],"SEO","favicon","Google","troubleshooting","vjFzt5vtPkeitdTtpk4amdyRLFH05IfmkZBO9pbRHzY",[],[554,558,562,566,570],{"title":555,"path":556,"publishedAt":557},"Google検索結果でfaviconが正しく表示されない原因調査","/google-search-favicon-issue","2025-12-31T00:00:00.000Z",{"title":559,"path":560,"publishedAt":561},"GooglebotはHTMLの最初の2MBしか読まない — 公式ブログで改めて明言","/googlebot-2mb-html-limit","2026-04-01T00:00:00.000Z",{"title":563,"path":564,"publishedAt":565},"Google Indexing APIはブログに有効か？調査結果","/google-indexing-api-effectiveness","2026-01-04T00:00:00.000Z",{"title":567,"path":568,"publishedAt":569},"2026年7月28日の開発日記 - Udemyリンク62本の移設仕上げとnoteマネタイズ立ち上げ準備","/2026-07-28-diary","2026-07-28T00:00:00.000Z",{"title":571,"path":572,"publishedAt":569},"Search Console を調べ直したら「伸びていない」が「4割落ちていた」に変わった — 日記の noindex 提案に待ったをかけた日","/gsc-review-noindex-rethink","https://log.eurekapu.com/og/blog/favicon-google-search.png?v=2026-01-05T00%3A00%3A00.000Z&title=Google%E6%A4%9C%E7%B4%A2%E7%B5%90%E6%9E%9C%E3%81%A7%E3%83%95%E3%82%A1%E3%83%93%E3%82%B3%E3%83%B3%E3%81%8C%E8%A1%A8%E7%A4%BA%E3%81%95%E3%82%8C%E3%81%AA%E3%81%84%E5%8E%9F%E5%9B%A0%E3%81%A8%E5%AF%BE%E5%87%A6%E6%B3%95&author=Kei%20Komatsu&sig=7113a835e9f498e4",1785654990078]