{"id":3968,"date":"2026-01-08T16:45:26","date_gmt":"2026-01-08T08:45:26","guid":{"rendered":"https:\/\/www.yuan95.cn\/?p=3968"},"modified":"2026-01-08T16:45:26","modified_gmt":"2026-01-08T08:45:26","slug":"%e5%9b%be%e7%89%87-alt-%e5%b1%9e%e6%80%a7%e4%bc%98%e5%8c%96%ef%bc%88alt-text%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.yuan95.cn\/?p=3968","title":{"rendered":"\u56fe\u7247 Alt \u5c5e\u6027\u4f18\u5316\uff08Alt Text\uff09"},"content":{"rendered":"

Alt \u5c5e\u6027\uff08Alt Text\uff09\u662f\u56fe\u7247\u7684\u201c\u6587\u5b57\u8bf4\u660e\u201d\u3002
\u5b83\u4e3b\u8981\u505a\u4e09\u4ef6\u4e8b\uff1a<\/p>\n

    \n
  1. \n

    \u56fe\u7247\u52a0\u8f7d\u5931\u8d25\u65f6<\/strong>\uff0c\u544a\u8bc9\u7528\u6237\u8fd9\u662f\u4ec0\u4e48\u56fe<\/p>\n<\/li>\n

  2. \n

    \u5e2e\u52a9 Google \u7406\u89e3\u56fe\u7247\u5185\u5bb9<\/strong>\uff08\u4e5f\u53ef\u80fd\u5e26\u6765\u56fe\u7247\u641c\u7d22\u6d41\u91cf\uff09<\/p>\n<\/li>\n

  3. \n

    \u63d0\u5347\u65e0\u969c\u788d\u4f53\u9a8c<\/strong>\uff08\u8bfb\u5c4f\u8f6f\u4ef6\u4f1a\u8bfb Alt\uff09<\/p>\n<\/li>\n<\/ol>\n

    \n

    \u5c0f\u767d\u5148\u8bb0\u4e00\u53e5\uff1a
    Alt \u4e0d\u662f\u7528\u6765\u5806\u5173\u952e\u8bcd\u7684\uff0c\u662f\u7528\u6765\u201c\u63cf\u8ff0\u56fe\u7247\u201d\u7684\u3002\u63cf\u8ff0\u6e05\u695a\uff0c\u987a\u5e26\u81ea\u7136\u5e26\u5230\u5173\u952e\u8bcd\u5c31\u591f\u4e86\u3002<\/strong><\/p>\n<\/blockquote>\n

    \n

    10.1 Alt \u5c5e\u6027\u662f\u4ec0\u4e48\uff1f\u5728\u54ea\u91cc\u770b\/\u600e\u4e48\u6539\uff1f<\/h2>\n

    Alt \u5c31\u662f <img><\/code> \u6807\u7b7e\u91cc\u7684 alt=\"...\"<\/code> \u90a3\u6bb5\u6587\u5b57\u3002
    \u4f60\u4e0d\u61c2\u4ee3\u7801\u4e5f\u6ca1\u5173\u7cfb\uff0c\u5927\u591a\u6570\u5efa\u7ad9\u7cfb\u7edf\uff08WordPress \u7b49\uff09\u90fd\u6709\u201c\u66ff\u4ee3\u6587\u672c\/Alt text\u201d\u5b57\u6bb5\u3002<\/p>\n

    \u5728 WordPress \u91cc\u5e38\u89c1\u8def\u5f84\uff1a<\/p>\n

      \n
    • \n

      \u5a92\u4f53\u5e93 \u2192 \u70b9\u5f00\u56fe\u7247 \u2192 \u66ff\u4ee3\u6587\u672c\uff08Alt Text\uff09<\/p>\n<\/li>\n<\/ul>\n

      \n

      10.2 \u4e3a\u4ec0\u4e48 Alt \u4f1a\u5f71\u54cd SEO\uff1f<\/h2>\n

      Alt \u7684 SEO \u4ef7\u503c\u4e3b\u8981\u4f53\u73b0\u5728\u201c\u8f85\u52a9\u7406\u89e3\u201d\uff0c\u800c\u4e0d\u662f\u201c\u76f4\u63a5\u52a0\u6392\u540d\u201d\u3002<\/p>\n

      \u2460 \u5e2e Google \u7406\u89e3\u56fe\u7247\u5728\u8bb2\u4ec0\u4e48<\/h3>\n

      Google \u770b\u56fe\u7247\u6ca1\u4f60\u60f3\u8c61\u7684\u90a3\u4e48\u201c\u5168\u80fd\u201d\uff0cAlt \u662f\u6700\u660e\u786e\u7684\u6587\u5b57\u63d0\u793a\u3002<\/p>\n

      \u2461 \u5e2e\u9875\u9762\u4e3b\u9898\u66f4\u5b8c\u6574\uff08\u8bed\u4e49\u8865\u5145\uff09<\/h3>\n

      \u4f60\u5728\u9875\u9762\u91cc\u8bb2\u201cAPI ball valve\u201d\uff0c\u56fe\u7247 Alt \u4e5f\u63cf\u8ff0\u5230\u201cAPI certified ball valve\u201d\uff0c\u5bf9\u4e3b\u9898\u4e00\u81f4\u6027\u662f\u52a0\u5206\u7684\u3002<\/p>\n

      \u2462 \u53ef\u80fd\u5e26\u6765\u56fe\u7247\u641c\u7d22\u6d41\u91cf<\/h3>\n

      \u5c24\u5176\u662f\u4ea7\u54c1\u56fe\u3001\u7ed3\u6784\u56fe\u3001\u573a\u666f\u56fe\uff0c\u5982\u679c Alt \u5199\u5f97\u6e05\u6670\uff0c\u6709\u673a\u4f1a\u5728 Google \u56fe\u7247\u91cc\u5e26\u6765\u989d\u5916\u6d41\u91cf\u3002<\/p>\n

      \n

      10.3 \u597d Alt \u7684 5 \u4e2a\u6807\u51c6\uff08\u5c0f\u767d\u7167\u7740\u5199\uff09<\/h2>\n

      \u2705 \u63cf\u8ff0\u56fe\u7247\u672c\u8eab<\/strong>\uff08\u8fd9\u5f20\u56fe\u662f\u4ec0\u4e48\uff09
      \u2705 \u5177\u4f53\u4e00\u70b9<\/strong>\uff08\u6750\u8d28\/\u578b\u53f7\/\u573a\u666f\/\u52a8\u4f5c\uff09
      \u2705 \u7b80\u6d01<\/strong>\uff08\u4e00\u822c 5\u201315 \u4e2a\u8bcd\uff0c\u522b\u5199\u6210\u4e00\u6bb5\u8bdd\uff09
      \u2705 \u81ea\u7136<\/strong>\uff08\u50cf\u4eba\u5199\u7684\u8bf4\u660e\uff0c\u4e0d\u50cf\u5173\u952e\u8bcd\u5217\u8868\uff09
      \u2705 \u4e0e\u9875\u9762\u5185\u5bb9\u76f8\u5173<\/strong>\uff08\u522b\u5199\u65e0\u5173\u8bcd\uff09<\/p>\n

      \n

      \u5c0f\u767d\u4e00\u53e5\u8bdd\uff1a\u50cf\u7ed9\u56fe\u7247\u5199\u4e00\u53e5\u201c\u8bf4\u660e\u6587\u5b57\u201d\u3002<\/strong><\/p>\n<\/blockquote>\n

      \n

      10.4 \u4e0d\u540c\u56fe\u7247\u7c7b\u578b\u600e\u4e48\u5199 Alt\uff08\u76f4\u63a5\u7ed9\u4f60\u4f8b\u5b50\uff09<\/h2>\n

      \u4e0b\u9762\u6309\u5e38\u89c1\u56fe\u7247\u7c7b\u578b\u7ed9\u4f60\u53ef\u5957\u7528\u5199\u6cd5\u3002<\/p>\n

      A\uff09\u4ea7\u54c1\u4e3b\u56fe\uff08\u6700\u91cd\u8981\uff09<\/h3>\n

      \u5199\u6cd5\uff1a\u4ea7\u54c1\u540d + \u5173\u952e\u89c4\u683c\/\u6750\u8d28 + \u6807\u51c6\/\u8ba4\u8bc1\uff08\u53ef\u9009\uff09<\/strong><\/p>\n

        \n
      • \n

        \u201cStainless steel ball valve, SS316, API 6D certified\u201d<\/p>\n<\/li>\n

      • \n

        \u201cHigh pressure gate valve, 1500 PSI, carbon steel body\u201d<\/p>\n<\/li>\n<\/ul>\n

        B\uff09\u4ea7\u54c1\u7ec6\u8282\/\u7ed3\u6784\u56fe<\/h3>\n

        \u5199\u6cd5\uff1a\u90e8\u4ef6\/\u7ed3\u6784 + \u4ea7\u54c1\u540d<\/strong><\/p>\n

          \n
        • \n

          \u201cBall valve internal structure diagram\u201d<\/p>\n<\/li>\n

        • \n

          \u201cValve stem and seal detail of ball valve\u201d<\/p>\n<\/li>\n<\/ul>\n

          C\uff09\u5e94\u7528\u573a\u666f\u56fe\uff08\u73b0\u573a\/\u884c\u4e1a\uff09<\/h3>\n

          \u5199\u6cd5\uff1a\u573a\u666f + \u7528\u9014 + \u4ea7\u54c1<\/strong><\/p>\n

            \n
          • \n

            \u201cBall valve installed in oil and gas pipeline system\u201d<\/p>\n<\/li>\n

          • \n

            \u201cIndustrial valve application in chemical processing plant\u201d<\/p>\n<\/li>\n<\/ul>\n

            D\uff09\u8d28\u68c0\/\u5de5\u5382\/\u751f\u4ea7\u6d41\u7a0b\u56fe\uff08\u5f3a\u4fe1\u4efb\uff09<\/h3>\n

            \u5199\u6cd5\uff1a\u52a8\u4f5c + \u573a\u666f<\/strong><\/p>\n

              \n
            • \n

              \u201cFactory pressure test for industrial valves\u201d<\/p>\n<\/li>\n

            • \n

              \u201cQuality inspection process for valve sealing performance\u201d<\/p>\n<\/li>\n

            • \n

              \u201cPacking and export shipment for valve orders\u201d<\/p>\n<\/li>\n<\/ul>\n

              E\uff09\u8868\u683c\/\u5bf9\u6bd4\u56fe\/\u6d41\u7a0b\u56fe<\/h3>\n

              \u5199\u6cd5\uff1a\u56fe\u8868\u7c7b\u578b + \u4e3b\u9898<\/strong><\/p>\n

                \n
              • \n

                \u201cComparison chart: ball valve vs gate valve\u201d<\/p>\n<\/li>\n

              • \n

                \u201cValve selection flowchart by pressure and temperature\u201d<\/p>\n<\/li>\n<\/ul>\n

                \n

                10.5 Alt \u5199\u4f5c\u6a21\u677f\uff08\u590d\u5236\u5c31\u80fd\u7528\uff09<\/h2>\n

                \u4f60\u53ef\u4ee5\u7528\u4e0b\u9762\u51e0\u4e2a\u6a21\u677f\u5feb\u901f\u6279\u91cf\u5199\uff1a<\/p>\n

                \u6a21\u677f1\uff08\u4ea7\u54c1\u56fe\uff09<\/h3>\n

                [\u6750\u8d28\/\u89c4\u683c] + [\u4ea7\u54c1\u540d] + [\u6807\u51c6\/\u8ba4\u8bc1]<\/strong><\/p>\n

                  \n
                • \n

                  \u201cSS316 ball valve, API 6D certified\u201d<\/p>\n<\/li>\n<\/ul>\n

                  \u6a21\u677f2\uff08\u573a\u666f\u56fe\uff09<\/h3>\n

                  [\u884c\u4e1a\/\u573a\u666f] + [\u7528\u9014] + [\u4ea7\u54c1]<\/strong><\/p>\n

                    \n
                  • \n

                    \u201cOil and gas pipeline application with ball valve\u201d<\/p>\n<\/li>\n<\/ul>\n

                    \u6a21\u677f3\uff08\u6d41\u7a0b\/\u8d28\u68c0\u56fe\uff09<\/h3>\n

                    [\u52a8\u4f5c] + [\u5bf9\u8c61]<\/strong><\/p>\n

                      \n
                    • \n

                      \u201cHydrostatic pressure testing for industrial valve\u201d<\/p>\n<\/li>\n<\/ul>\n

                      \n

                      10.6 Alt \u5e38\u89c1\u9519\u8bef\uff08\u65b0\u624b\u6700\u5bb9\u6613\u8e29\uff09<\/h2>\n
                        \n
                      • \n

                        \u274c \u7a7a Alt<\/strong>\uff08\u91cd\u8981\u4ea7\u54c1\u56fe\u6ca1\u5199\uff09<\/p>\n<\/li>\n

                      • \n

                        \u274c \u6240\u6709\u56fe\u7247 Alt \u4e00\u6837<\/strong>\uff08Google \u4f1a\u89c9\u5f97\u4f60\u5728\u7cca\u5f04\uff09<\/p>\n<\/li>\n

                      • \n

                        \u274c \u5173\u952e\u8bcd\u5806\u780c<\/strong>\uff08\u201cball valve supplier ball valve price best ball valve\u201d\uff09<\/p>\n<\/li>\n

                      • \n

                        \u274c \u5199\u4e0e\u56fe\u7247\u65e0\u5173\u5185\u5bb9<\/strong>\uff08\u4e3a\u4e86\u5173\u952e\u8bcd\u4e71\u5199\uff09<\/p>\n<\/li>\n

                      • \n

                        \u274c \u628a\u56fe\u7247\u6587\u4ef6\u540d\u5f53 Alt<\/strong>\uff08IMG_2345.jpg \u8fd9\u79cd\u6ca1\u610f\u4e49\uff09<\/p>\n<\/li>\n<\/ul>\n

                        \n

                        10.7 \u4ec0\u4e48\u65f6\u5019\u53ef\u4ee5\u7559\u7a7a Alt\uff1f<\/h2>\n

                        \u4e0d\u662f\u6240\u6709\u56fe\u7247\u90fd\u5fc5\u987b\u5199 Alt\u3002<\/p>\n

                        \u53ef\u4ee5\u7559\u7a7a\u7684\u60c5\u51b5\uff1a<\/p>\n

                          \n
                        • \n

                          \u7eaf\u88c5\u9970\u6027\u56fe\u6807\/\u80cc\u666f\u56fe\uff08\u4e0d\u627f\u8f7d\u4fe1\u606f\uff09<\/p>\n<\/li>\n

                        • \n

                          \u5206\u9694\u7ebf\u3001\u88c5\u9970\u82b1\u7eb9\u7b49<\/p>\n<\/li>\n<\/ul>\n

                          \u4f46\u4e0b\u9762\u8fd9\u4e9b\u5f3a\u70c8\u5efa\u8bae\u5199<\/strong>\uff1a<\/p>\n

                            \n
                          • \n

                            \u4ea7\u54c1\u56fe\u3001\u7ed3\u6784\u56fe\u3001\u53c2\u6570\u56fe<\/p>\n<\/li>\n

                          • \n

                            \u6d41\u7a0b\u56fe\u3001\u5bf9\u6bd4\u56fe<\/p>\n<\/li>\n

                          • \n

                            \u5de5\u5382\/\u8d28\u68c0\/\u8bc1\u4e66\u76f8\u5173\u56fe\u7247<\/p>\n<\/li>\n

                          • \n

                            \u573a\u666f\u5e94\u7528\u56fe<\/p>\n<\/li>\n<\/ul>\n

                            \n

                            10.8 \u5c0f\u767d\u68c0\u67e5\u6e05\u5355\uff08\u6bcf\u4e2a\u9875\u9762 1 \u5206\u949f\uff09<\/h2>\n

                            \u2705 \u5173\u952e\u56fe\u7247\u662f\u5426\u90fd\u6709 Alt\uff08\u5c24\u5176\u4ea7\u54c1\/\u6d41\u7a0b\/\u5bf9\u6bd4\uff09\uff1f
                            \u2705 Alt \u662f\u5426\u63cf\u8ff0\u4e86\u56fe\u7247\u672c\u8eab\uff1f
                            \u2705 \u662f\u5426\u7b80\u6d01\u81ea\u7136\uff0c\u800c\u4e0d\u662f\u5806\u5173\u952e\u8bcd\uff1f
                            \u2705 \u540c\u4e00\u9875\u591a\u5f20\u56fe Alt \u662f\u5426\u6709\u533a\u5206\uff1f
                            \u2705 Alt \u662f\u5426\u4e0e\u9875\u9762\u4e3b\u9898\u4e00\u81f4\uff1f<\/p>\n

                            \n

                            \u5c0f\u7ed3<\/h2>\n
                              \n
                            • \n

                              Alt \u7684\u672c\u8d28\u662f\u56fe\u7247\u8bf4\u660e\u6587\u5b57\uff1a\u63cf\u8ff0\u6e05\u695a + \u81ea\u7136\u76f8\u5173<\/strong><\/p>\n<\/li>\n

                            • \n

                              \u4ea7\u54c1\u56fe\u5199\u201c\u4ea7\u54c1\u540d+\u89c4\u683c\/\u6750\u8d28\u201d\uff0c\u573a\u666f\u56fe\u5199\u201c\u573a\u666f+\u7528\u9014\u201d\uff0c\u6d41\u7a0b\u56fe\u5199\u201c\u52a8\u4f5c+\u5bf9\u8c61\u201d<\/p>\n<\/li>\n

                            • \n

                              \u4e0d\u8981\u5806\u5173\u952e\u8bcd\uff0c\u4e0d\u8981\u5168\u7ad9\u91cd\u590d\uff0c\u4e0d\u8981\u5199\u65e0\u5173\u5185\u5bb9<\/p>\n<\/li>\n

                            • \n

                              \u91cd\u8981\u56fe\u7247\u5c3d\u91cf\u90fd\u5199 Alt\uff0c\u88c5\u9970\u56fe\u53ef\u4ee5\u7559\u7a7a<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

                              Alt \u5c5e\u6027\uff08Alt Text\uff09\u662f\u56fe\u7247\u7684\u201c\u6587\u5b57\u8bf4\u660e\u201d\u3002\u5b83\u4e3b\u8981\u505a\u4e09\u4ef6\u4e8b\uff1a \u56fe\u7247\u52a0\u8f7d\u5931\u8d25\u65f6\uff0c\u544a\u8bc9\u7528\u6237\u8fd9\u662f\u4ec0\u4e48\u56fe \u5e2e\u52a9 Google \u7406\u89e3\u56fe\u7247\u5185\u5bb9\uff08\u4e5f\u53ef\u80fd\u5e26\u6765\u56fe\u7247\u641c\u7d22\u6d41\u91cf\uff09 \u63d0\u5347\u65e0\u969c\u788d\u4f53\u9a8c\uff08\u8bfb\u5c4f\u8f6f\u4ef6\u4f1a\u8bfb Alt\uff09 \u5c0f\u767d\u5148\u8bb0\u4e00\u53e5\uff1aAlt \u4e0d\u662f\u7528\u6765\u5806…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"topic":[],"class_list":["post-3968","post","type-post","status-publish","format-standard","hentry","category-seoyouhua"],"_links":{"self":[{"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=\/wp\/v2\/posts\/3968","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3968"}],"version-history":[{"count":1,"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=\/wp\/v2\/posts\/3968\/revisions"}],"predecessor-version":[{"id":3969,"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=\/wp\/v2\/posts\/3968\/revisions\/3969"}],"wp:attachment":[{"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3968"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3968"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3968"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.yuan95.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=3968"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}