{"id":33441,"date":"2026-09-29T10:00:00","date_gmt":"2026-09-29T02:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=33441"},"modified":"2026-10-08T10:59:28","modified_gmt":"2026-10-08T02:59:28","slug":"wordpress-defer-font-image-script-optimization","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/wordpress-defer-font-image-script-optimization\/","title":{"rendered":"WordPress defer \u4f18\u5316\u6307\u5357\uff1a\u5b57\u4f53\u3001\u56fe\u7247\u4e0e\u811a\u672c\u52a0\u8f7d\u987a\u5e8f\u914d\u7f6e"},"content":{"rendered":"

\u5f15\u8a00\uff1a\u9996\u5c4f\u6162\uff0c\u95ee\u9898\u591a\u534a\u51fa\u5728\u8d44\u6e90\u52a0\u8f7d\u987a\u5e8f<\/h2>\n

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\u5f88\u591a\u7ad9\u957f\u5728\u7ed9 WordPress \u7f51\u7ad9\u505a\u4f53\u68c0\u65f6\u90fd\u4f1a\u9047\u5230\u540c\u4e00\u4e2a\u95ee\u9898\uff1a\u670d\u52a1\u5668\u54cd\u5e94\u5f88\u5feb\uff0cTTFB\uff08\u9996\u5b57\u8282\u65f6\u95f4\uff09\u53ea\u6709\u51e0\u767e\u6beb\u79d2\uff0c\u4f46\u9875\u9762\u8981\u4e24\u4e09\u79d2\u624d\u80fd\u770b\u89c1\u5b8c\u6574\u5185\u5bb9\u3002\u5982\u4f55\u89e3\u51b3\u8fd9\u79cd”\u670d\u52a1\u5668\u4e0d\u6162\u3001\u9875\u9762\u5374\u6162”\u7684\u60c5\u51b5\uff1f\u7b54\u6848\u901a\u5e38\u4e0d\u5728\u4e3b\u673a\u4fa7\uff0c\u800c\u5728\u524d\u7aef\u8d44\u6e90\u7684\u52a0\u8f7d\u987a\u5e8f\u4e0a\u2014\u2014\u5b57\u4f53\u3001\u56fe\u7247\u548c JavaScript \u811a\u672c\u5982\u679c\u914d\u7f6e\u4e0d\u5f53\uff0c\u4f1a\u963b\u585e\u6d4f\u89c8\u5668\u6e32\u67d3\uff0c\u8ba9\u8bbf\u95ee\u8005\u76ef\u7740\u767d\u5c4f\u7b49\u5f85\u3002<\/p>\n

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\u5b57\u4f53\u52a0\u8f7d\uff1a\u7528 font-display \u6d88\u9664\u9690\u5f62\u6587\u5b57\u671f<\/h2>\n

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\u89e3\u51b3\u65b9\u6848\u662f\u5728 @font-face<\/code> \u58f0\u660e\u4e2d\u52a0\u5165 font-display: swap;<\/code>\u3002\u5b83\u7684\u542b\u4e49\u662f\uff1a\u6d4f\u89c8\u5668\u5148\u7528\u7cfb\u7edf\u56de\u9000\u5b57\u4f53\u7acb\u5373\u6e32\u67d3\u6587\u5b57\uff0c\u7b49 Web \u5b57\u4f53\u4e0b\u8f7d\u5b8c\u6210\u540e\u518d\u66ff\u6362\uff0c\u6587\u5b57\u4ece\u5934\u5230\u5c3e\u90fd\u53ef\u89c1\u3002WordPress 5.9 \u4e4b\u540e\u5185\u7f6e\u4e3b\u9898\u5df2\u9ed8\u8ba4\u5e26\u8fd9\u4e2a\u5c5e\u6027\uff0c\u4f46\u5927\u91cf\u7b2c\u4e09\u65b9\u4e3b\u9898\u548c Google Fonts \u5f15\u5165\u4ee3\u7801\u4ecd\u7136\u662f\u65e7\u5199\u6cd5\u3002\u5bf9\u4e8e\u901a\u8fc7\u4e3b\u9898\u51fd\u6570\u52a0\u8f7d\u7684 Google Fonts\uff0c\u53ef\u4ee5\u5728\u5b50\u4e3b\u9898\u7684 functions.php<\/code> \u91cc\u52a0\u4e00\u6bb5\u8fc7\u6ee4\u5668\u7edf\u4e00\u5904\u7406\uff1a<\/p>\n

add_filter( 'style_loader_tag', function( $tag, $handle ) {\n    if ( 'mytheme-google-fonts' === $handle ) {\n        $tag = str_replace( '&display=swap', '', $tag );\n        if ( false === strpos( $tag, 'display=' ) ) {\n            $tag = str_replace( '.css', '.css&display=swap', $tag );\n        }\n    }\n    return $tag;\n}, 10, 2 );<\/code><\/pre>\n
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\u89e3\u51b3\u8def\u5f84\u5206\u4e09\u5c42\u3002\u7b2c\u4e00\u5c42\u662f\u61d2\u52a0\u8f7d\uff1aWordPress \u4ece 5.5 \u7248\u672c\u8d77\u5df2\u5185\u7f6e loading=\"lazy\"<\/code> \u5c5e\u6027\u81ea\u52a8\u6ce8\u5165\uff0c\u5bf9\u9996\u5c4f\u4ee5\u4e0b\u7684\u56fe\u7247\u5ef6\u8fdf\u52a0\u8f7d\uff0c\u65e0\u9700\u63d2\u4ef6\u3002\u7b2c\u4e8c\u5c42\u662f\u683c\u5f0f\u5347\u7ea7\uff1a\u628a JPG\/PNG \u6279\u91cf\u8f6c\u4e3a WebP \u540e\uff0c\u540c\u753b\u8d28\u4f53\u79ef\u901a\u5e38\u7f29\u5c0f 25%-35%\uff0c\u4e00\u5f20 300KB \u7684\u4ea7\u54c1\u56fe\u8f6c\u540e\u7ea6 200KB\u3002\u7b2c\u4e09\u5c42\u662f\u9996\u5c4f\u4f8b\u5916\u2014\u2014LCP \u5bf9\u5e94\u7684\u4e3b\u56fe\u7edd\u4e0d\u80fd\u61d2\u52a0\u8f7d\uff0c\u5426\u5219\u53cd\u800c\u62d6\u6162\u6700\u5927\u5185\u5bb9\u7ed8\u5236\uff0c\u6b63\u786e\u505a\u6cd5\u662f\u7ed9\u9996\u5c4f\u4e3b\u56fe\u52a0\u4e0a fetchpriority=\"high\"<\/code>\uff1a<\/p>\n
<img src=\"\/wp-content\/uploads\/2026\/09\/hero.webp\"\n     width=\"1280\" height=\"720\"\n     alt=\"\u4ea7\u54c1\u4e3b\u56fe\"\n     fetchpriority=\"high\"\n     decoding=\"async\"><\/code><\/pre>\n
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\u811a\u672c\u52a0\u8f7d\uff1adefer \u4e0e async \u7684\u6b63\u786e\u5206\u5de5<\/h2>\n
WordPress \u9875\u9762\u91cc\u7684 JavaScript \u6709\u4e09\u4e2a\u6765\u6e90\uff1a\u6838\u5fc3\u81ea\u5e26\u7684\u811a\u672c\u3001\u4e3b\u9898\u811a\u672c\uff0c\u4ee5\u53ca\u63d2\u4ef6\u7684\u51e0\u5341\u4e2a\u811a\u672c\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5f88\u591a\u811a\u672c\u4ee5\u963b\u585e\u65b9\u5f0f\u653e\u5728 <head><\/code> \u91cc\uff0c\u6d4f\u89c8\u5668\u5fc5\u987b\u505c\u4e0b\u6765\u4e0b\u8f7d\u5e76\u6267\u884c\u5b8c\uff0c\u624d\u7ee7\u7eed\u89e3\u6790\u540e\u9762\u7684 HTML\u3002\u67d0\u4e2a\u4f1a\u5458\u7ad9\u66fe\u7ecf\u7edf\u8ba1\u8fc7\uff0c\u9996\u9875\u5171\u52a0\u8f7d\u4e86 42 \u4e2a\u811a\u672c\u6587\u4ef6\uff0c\u538b\u7f29\u540e\u4ecd\u6709 780KB\uff0c\u5176\u4e2d\u53ea\u6709 3 \u4e2a\u771f\u6b63\u5f71\u54cd\u9996\u5c4f\u4ea4\u4e92\u3002<\/p>\n
defer<\/code> \u548c async<\/code> \u662f\u4e24\u79cd\u8ba9\u811a\u672c\u4e0d\u963b\u585e\u6e32\u67d3\u7684\u5c5e\u6027\uff0c\u5206\u5de5\u4e0d\u540c\uff1adefer<\/code> \u4fdd\u8bc1\u811a\u672c\u5728 HTML \u89e3\u6790\u5b8c\u6210\u540e\u3001\u6309\u6587\u6863\u987a\u5e8f\u4f9d\u6b21\u6267\u884c\uff0c\u9002\u5408\u6709\u4f9d\u8d56\u5173\u7cfb\u7684\u811a\u672c\uff08\u6bd4\u5982\u5148\u52a0\u8f7d jQuery \u518d\u52a0\u8f7d\u4f9d\u8d56\u5b83\u7684\u63d2\u4ef6\u811a\u672c\uff09\uff1basync<\/code> \u5219\u662f\u4e0b\u8f7d\u5b8c\u5c31\u7acb\u5373\u6267\u884c\u3001\u987a\u5e8f\u4e0d\u4fdd\u8bc1\uff0c\u9002\u5408\u7edf\u8ba1\u4ee3\u7801\u3001\u5206\u4eab\u6309\u94ae\u8fd9\u7c7b\u5f7c\u6b64\u72ec\u7acb\u7684\u811a\u672c\u3002\u5224\u65ad\u53e3\u8bc0\u5f88\u7b80\u5355\uff1a\u811a\u672c\u4e4b\u95f4\u6709\u4f9d\u8d56\u7528 defer\uff0c\u5b8c\u5168\u72ec\u7acb\u7528 async\u3002<\/p>\n
\u5728 WordPress \u4e2d\u53ef\u4ee5\u901a\u8fc7 script_loader_tag<\/code> \u8fc7\u6ee4\u5668\u6279\u91cf\u6ce8\u5165 defer\uff0c\u907f\u514d\u9010\u4e2a\u4fee\u6539\u63d2\u4ef6\u6e90\u7801\uff1a<\/p>\n
add_filter( 'script_loader_tag', function( $tag, $handle ) {\n    \/\/ \u9700\u8981\u6392\u9664\u7684\u5173\u952e\u811a\u672c\uff0c\u5982 jQuery \u6838\u5fc3\n    $exclude = array( 'jquery-core', 'jquery-migrate' );\n    if ( is_admin() || in_array( $handle, $exclude, true ) ) {\n        return $tag;\n    }\n    return str_replace( ' src', ' defer src', $tag );\n}, 10, 2 );<\/code><\/pre>\n
\u6ce8\u610f\u4e24\u4e2a\u5751\u3002\u7b2c\u4e00\uff0cjQuery \u6838\u5fc3\u4e0d\u8981\u52a0 defer \u9664\u975e\u6240\u6709\u4f9d\u8d56\u5b83\u7684\u811a\u672c\u4e5f\u7edf\u4e00 defer\uff0c\u5426\u5219\u4f1a\u51fa\u73b0”\u811a\u672c\u6267\u884c\u65f6 jQuery \u672a\u5b9a\u4e49”\u7684\u62a5\u9519\uff0c\u8868\u5355\u3001\u8f6e\u64ad\u56fe\u76f4\u63a5\u5931\u6548\u3002\u7b2c\u4e8c\uff0cdefer \u4f1a\u6539\u53d8\u6267\u884c\u65f6\u673a\uff0c\u51e1\u662f\u4f9d\u8d56 document.write<\/code> \u7684\u8001\u65e7\u5e7f\u544a\u811a\u672c\u52a0\u4e86 defer \u4f1a\u6e32\u67d3\u9519\u4f4d\uff0c\u8fd9\u7c7b\u811a\u672c\u5e94\u6539\u7528 async \u6216\u79fb\u5230\u9875\u9762\u5e95\u90e8\u3002\u6539\u5b8c\u540e\u5728\u63a7\u5236\u53f0\u6267\u884c\u4e00\u904d\u6838\u5fc3\u4ea4\u4e92\u9a8c\u8bc1\uff1a\u8868\u5355\u63d0\u4ea4\u3001\u83dc\u5355\u5c55\u5f00\u3001\u56fe\u7247\u706f\u7bb1\uff0c\u5168\u90e8\u6b63\u5e38\u518d\u4e0a\u7ebf\u3002<\/p>\n
\u5982\u679c\u60f3\u8fdb\u4e00\u6b65\u51cf\u5c11\u811a\u672c\u603b\u91cf\uff0c\u53ef\u4ee5\u4ece\u4e3b\u673a\u5c42\u9762\u7684 PHP \u7248\u672c\u548c\u5bf9\u8c61\u7f13\u5b58\u5165\u624b\uff0c\u914d\u5408\u672c\u6587\u7684\u524d\u7aef\u8c03\u6574\u6548\u679c\u66f4\u597d\uff0c\u601d\u8def\u89c1\u8fd9\u7bc7 WordPress \u6392\u969c\u4e2d\u7684\u670d\u52a1\u5668\u65e5\u5fd7\u4e0e\u5bb9\u91cf\u68c0\u67e5<\/a>\u3002<\/p>\n
\"\u811a\u672c\u5ef6\u540e\u5230\u9875\u9762\u89e3\u6790\u5b8c\u6210\u540e\u518d\u6267\u884c\u7684<\/p>\n
\u4e09\u7c7b\u8d44\u6e90\u52a0\u8f7d\u7b56\u7565\u5bf9\u6bd4<\/h2>\n
\u628a\u524d\u9762\u4e09\u8282\u7684\u505a\u6cd5\u653e\u5728\u4e00\u8d77\u770b\uff0c\u4e09\u7c7b\u8d44\u6e90\u7684\u5173\u952e\u5dee\u5f02\u5176\u5b9e\u53ea\u6709\u4e24\u4e2a\u5b57\uff1a\u987a\u5e8f\u3002\u5b57\u4f53\u8981”\u5148\u663e\u793a\u518d\u66ff\u6362”\uff0c\u56fe\u7247\u8981”\u9996\u5c4f\u4f18\u5148\u3001\u5176\u4f59\u5ef6\u540e”\uff0c\u811a\u672c\u8981”\u5148\u89e3\u6790\u518d\u6267\u884c”\u3002\u4e0b\u8868\u6309\u56db\u4e2a\u7ef4\u5ea6\u5bf9\u6bd4\uff0c\u65b9\u4fbf\u4f60\u5feb\u901f\u5224\u65ad\u67d0\u4e2a\u8d44\u6e90\u8be5\u5957\u7528\u54ea\u79cd\u7b56\u7565\uff1a<\/p>\n\n\n\n\n\n\n\n\n
\u7ef4\u5ea6<\/th>\n\u5b57\u4f53<\/th>\n\u56fe\u7247<\/th>\n\u811a\u672c<\/th>\n<\/tr>\n<\/thead>\n
\u6838\u5fc3\u5c5e\u6027<\/td>\nfont-display: swap<\/td>\nloading=”lazy” + fetchpriority<\/td>\ndefer \/ async<\/td>\n<\/tr>\n
\u963b\u585e\u5bf9\u8c61<\/td>\n\u6587\u5b57\u6e32\u67d3<\/td>\n\u5e26\u5bbd\u4e0e\u89e3\u7801<\/td>\nHTML \u89e3\u6790<\/td>\n<\/tr>\n
\u5178\u578b\u4f53\u79ef<\/td>\n100KB-8MB<\/td>\n50KB-1MB\/\u5f20<\/td>\n\u5408\u8ba1 200-800KB<\/td>\n<\/tr>\n
\u9a8c\u8bc1\u5de5\u5177<\/td>\nNetwork \u9762\u677f Font \u8fc7\u6ee4<\/td>\nLighthouse LCP breakdown<\/td>\n\u63a7\u5236\u53f0\u62a5\u9519\u68c0\u67e5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4e00\u4e2a\u7efc\u5408\u6848\u4f8b\uff1a\u67d0 B2B \u4f01\u4e1a\u5b98\u7f51\u540c\u65f6\u5b58\u5728\u4e09\u79cd\u95ee\u9898\u2014\u2014\u54c1\u724c\u5b57\u4f53\u963b\u585e 1.8 \u79d2\u3001\u9996\u9875 12 \u5f20\u672a\u538b\u7f29 PNG\u3001\u63d2\u4ef6\u6ce8\u5165\u7684 9 \u4e2a\u963b\u585e\u811a\u672c\u3002\u6309\u672c\u6587\u987a\u5e8f\u9010\u9879\u4fee\u590d\u540e\uff08\u5b57\u4f53 swap\u3001\u56fe\u7247\u8f6c WebP \u4e14\u9996\u5c4f\u4e3b\u56fe fetchpriority \u9ad8\u4f18\u5148\u3001\u975e\u5173\u952e\u811a\u672c defer\uff09\uff0cPageSpeed \u79fb\u52a8\u7aef\u5f97\u5206\u4ece 43 \u63d0\u5347\u5230 78\uff0cLCP \u4ece 4.6 \u79d2\u964d\u5230 2.3 \u79d2\uff0c\u5168\u7a0b\u672a\u66f4\u6362\u4e3b\u673a\u3002\u8fd9\u8bf4\u660e\u524d\u7aef\u52a0\u8f7d\u987a\u5e8f\u7684\u6536\u76ca\u5b8c\u5168\u4e0d\u8f93\u4e8e\u5347\u7ea7\u914d\u7f6e\uff0c\u4e24\u8005\u5e94\u8be5\u5e76\u884c\u63a8\u8fdb\u3002<\/p>\n
\u914d\u7f6e\u6e05\u5355\u4e0e\u4e0a\u7ebf\u524d\u9a8c\u8bc1<\/h2>\n
\u843d\u5730\u65f6\u5efa\u8bae\u6309\u4e0b\u9762\u7684\u6e05\u5355\u9010\u9879\u6267\u884c\uff0c\u6bcf\u6539\u4e00\u9879\u5c31\u9a8c\u8bc1\u4e00\u9879\uff0c\u907f\u514d\u4e00\u6b21\u6027\u6539\u52a8\u540e\u65e0\u6cd5\u5b9a\u4f4d\u56de\u9000\u539f\u56e0\uff1a<\/p>\n