{"url":"https://toshi-toma.hatenablog.com/entry/2021/02/10/000000","type":"rich","description":"Improving Progressive Web App offline support detection \u4ee5\u4e0b\u306e\u8a18\u4e8b\u306e\u307e\u3068\u3081\u3084\u30e1\u30e2\u3067\u3059\u3002 developer.chrome.com \u8a18\u4e8b\u306e\u5185\u5bb9 Web\u30a2\u30d7\u30ea\u3092PWA\u3068\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u53ef\u80fd\u304b\u306e\u6761\u4ef6\u3068\u3057\u3066\u3001Chrome\u3067\u306f\u3053\u308c\u307e\u3067\u300cfetch \u30a4\u30d9\u30f3\u30c8\u3092\u542b\u3080\u30b5\u30fc\u30d3\u30b9\u30ef\u30fc\u30ab\u30fc\u304c\u3042\u308b\u3053\u3068\u300d\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002 \u305d\u308c\u304c\u3001\u4eca\u5f8c\u306f\u300c\u30aa\u30d5\u30e9\u30a4\u30f3\u30e2\u30fc\u30c9\u6642\u306efetch\u30a4\u30d9\u30f3\u30c8\u3067HTTP \u30b9\u30c6\u30fc\u30bf\u30b9\u30b3\u30fc\u30c9 200\u3092\u8fd4\u3059\u3053\u3068\u300d\u3068\u306a\u308b\u307f\u305f\u3044\u3002 \u307e\u305a3\u6708\u306b\u30ea\u30ea\u30fc\u30b9\u4e88\u5b9a\u306eChrome 89\u304b\u3089\u3001\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u308b Lighthouse\u306b\u3082\u30ac\u30a4\u30c9\u304c\u8868\u793a\u3055\u308c\u308b \u305d\u306e\u5f8c\u30018\u6708\u306b\u30ea\u2026","published":"2021-02-10 00:00:00","author_url":"https://blog.hatena.ne.jp/toshi-toma/","version":"1.0","provider_url":"https://hatena.blog","title":"PWA\u306e\u30aa\u30d5\u30e9\u30a4\u30f3\u30b5\u30dd\u30fc\u30c8\u691c\u51fa\u306e\u6539\u5584","height":"190","blog_url":"https://toshi-toma.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftoshi-toma.hatenablog.com%2Fentry%2F2021%2F02%2F10%2F000000\" title=\"PWA\u306e\u30aa\u30d5\u30e9\u30a4\u30f3\u30b5\u30dd\u30fc\u30c8\u691c\u51fa\u306e\u6539\u5584 - toshi-toma blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"author_name":"toshi-toma","categories":["PWA"],"provider_name":"Hatena Blog","width":"100%","blog_title":"toshi-toma blog"}