{"id":129579,"date":"2025-06-23T10:50:25","date_gmt":"2025-06-23T01:50:25","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=129579"},"modified":"2025-06-23T10:50:25","modified_gmt":"2025-06-23T01:50:25","slug":"web-browser-usage-agents","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/web-browser-usage-agents\/","title":{"rendered":"\u3010\u8b0e\u3011\u306a\u305c\u3059\u3079\u3066\u306e\u30d6\u30e9\u30a6\u30b6\u306eUser-Agent\u306f\u300cMozilla\/\u300d\u3067\u59cb\u307e\u308b\u306e\u304b\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2022\/06\/pexels-caio-67112.jpeg\" alt=\"Pexels caio 67112\" title=\"pexels-caio-67112.jpeg\" border=\"0\" width=\"1280\" height=\"851\" \/><\/p>\n<p>Web\u958b\u767a\u8005\u3067\u306a\u304f\u3066\u3082Web\u30d6\u30e9\u30a6\u30b6\u306b\u8a73\u3057\u3044\u578b\u306a\u3089\u3070\u8ab0\u3082\u304c<strong>User-Agent\u6587\u5b57\u5217<\/strong>\u3092\u4e00\u5ea6\u306f\u76ee\u306b\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p class=\"is-style-icon_info\">Mozilla\/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/137.0.0.0 Safari\/537.36 \u306e\u3088\u3046\u306a\u6587\u5b57\u5217\u3067\u3059<\/p>\n<p>\u5b9f\u306fUser-Agent\u6587\u5b57\u5217\u306e\u591a\u304f\u306f\u300cMozilla\/\u300d\u3067\u59cb\u307e\u3063\u3066\u3044\u3066\u3001\u305d\u3046\u306a\u3063\u305f\u7406\u7531\u304c<a href=\"https:\/\/stackoverflow.com\/questions\/1114254\/why-do-all-browsers-user-agents-start-with-mozilla\">Stack Overflow<\/a>\u306b\u6295\u7a3f\u3055\u308c\u305f\u30b3\u30e1\u30f3\u30c8(2008\u5e74)\u3092\u8aad\u3080\u3068\u3088\u304f\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u60c5\u5831\u306b\u3088\u308b\u3068\u3001\u6700\u521d\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u300cMozilla\u300d\u306fNetscape\u306e\u524d\u8eab\u3068\u306a\u3063\u305f\u30d6\u30e9\u30a6\u30b6\u3067\u3001Netscape\u306eUser-Agent\u306b\u3082\u305d\u306e\u540d\u304c\u6b8b\u3055\u308c\u307e\u3057\u305f\u30021990\u5e74\u4ee3\u5f8c\u534a\u3001Web\u30b5\u30fc\u30d0\u30fc\u306fNetscape\u306b\u3060\u3051\u7279\u5b9a\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u305f\u3053\u3068\u3082\u3042\u308a\u3001<strong>Internet Explorer\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u4ed6\u306e\u30d6\u30e9\u30a6\u30b6\u304cMozilla\u306e\u3075\u308a\u3092\u3059\u308b\u305f\u3081\u306bUser-Agent\u3092\u507d\u88c5\u3057\u3066\u9001\u4fe1<\/strong>\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3082Opera\u3001Safari\u3001Chrome\u306a\u3069\u306e\u30d6\u30e9\u30a6\u30b6\u304c\u300cMozilla\/\u300d\u3067\u59cb\u307e\u308bUser-Agent\u3092\u63a1\u7528\u3057\u3001\u4e8b\u5b9f\u4e0a\u306e\u6a19\u6e96\u3068\u306a\u3063\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3059\u3002<\/p>\n<p>\u73fe\u4ee3\u306eUser-Agent\u6587\u5b57\u5217\u306f\u3001\u300cMozilla\u300d\u300cSafari\u300d\u300cChrome\u300d\u300clike Gecko\u300d\u306a\u3069\u3055\u307e\u3056\u307e\u306a\u60c5\u5831\u3092\u542b\u3080\u8907\u96d1\u306a\u69cb\u9020\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u5b9f\u969b\u306e\u30d6\u30e9\u30a6\u30b6\u5224\u5225\u306b\u306f\u4e0d\u5411\u304d\u306a\u60c5\u5831\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u4e92\u63db\u6027\u7dad\u6301\u306e\u305f\u3081\u5b8c\u5168\u306a\u5ec3\u6b62\u304c\u96e3\u3057\u3044\u72b6\u614b\u304c\u7d9a\u3044\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>2025\u5e74\u73fe\u5728\u3082\u3001Chrome\u3001Edge\u3001Safari\u306a\u3069\u4e3b\u8981\u306a\u30d6\u30e9\u30a6\u30b6\u306eUser-Agent\u6587\u5b57\u5217\u306e\u5148\u982d\u306b\u306f\u4f9d\u7136\u3068\u3057\u3066\u300cMozilla\/\u300d\u306f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u304c\u3001Google\u306f\u3001User-Agent\u6587\u5b57\u5217\u306e\u524a\u6e1b(User-Agent Reduction)\u3084User-Agent Client Hints\u3078\u306e\u79fb\u884c\u3092\u9032\u3081\u3066\u304a\u308a\u3001\u5c06\u6765\u7684\u306b\u306f\u72b6\u6cc1\u304c\u5909\u5316\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Web\u958b\u767a\u8005\u3067\u306a\u304f\u3066\u3082Web\u30d6\u30e9\u30a6\u30b6\u306b\u8a73\u3057\u3044\u578b\u306a\u3089\u3070\u8ab0\u3082\u304cUser-Agent\u6587\u5b57\u5217\u3092\u4e00\u5ea6\u306f\u76ee\u306b\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002 Mozilla\/5.0 (Macintosh; Intel Mac OS X 10_15_7 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":98664,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[26,575],"class_list":["post-129579","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-chrome","tag-web"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/129579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=129579"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/129579\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/98664"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=129579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=129579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=129579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}