{"id":56,"date":"2007-11-26T01:21:01","date_gmt":"2007-11-25T17:21:01","guid":{"rendered":"http:\/\/broso.twbbs.org\/blojsom\/blog\/default\/ITTech\/Apache\/?permalink=Speeding-up-your-web-site.html"},"modified":"2007-11-26T01:21:01","modified_gmt":"2007-11-25T17:21:01","slug":"speeding-up-your-web-site","status":"publish","type":"post","link":"https:\/\/cychien.tw\/wordpress\/2007\/11\/26\/speeding-up-your-web-site\/","title":{"rendered":"Speeding up your web site"},"content":{"rendered":"

\u7db2\u7ad9\u7684\u56de\u61c9\u901f\u5ea6\u5feb\u6162\u4e00\u76f4\u662f\u6538\u95dc\u65bc\u4f7f\u7528\u8005\u6703\u4e0d\u6703\u505c\u7559\u4e0b\u4f86\u7e7c\u7e8c\u700f\u89bd\u6700\u4e3b\u8981\u7684\u95dc\u9375\u3002\u6700\u8fd1\u5de5\u4f5c\u4e0a\u4e5f\u9762\u81e8\u5230\u540c\u6a23\u7684\u554f\u984c\uff0c\u7db2\u7ad9\u56de\u61c9\u901f\u5ea6\u4e0d\u4f73\uff0c\u5ba2\u6236\u62b1\u6028\u5c0e\u81f4\u5ba2\u7fa4\u6d41\u5931\u3002\u9664\u4e86\u63d0\u6607\u786c\u9ad4\u5bb9\u91cf\u8ddf\u983b\u5bec\u9019\u7a2e\u66b4\u529b\u8fa6\u6cd5\u4e4b\u5916\uff08\u4e0a\u7d1a\u9577\u5b98\u5df2\u7d93\u6307\u793a\u4e86\uff0c\u6c92\u591a\u9918\u9810\u7b97\u53ef\u505a\u5bb9\u91cf\u63d0\u5347\uff09\uff0c\u6700\u5f8c\u9084\u662f\u5f97\u56de\u982d\u4f86\u770b\u770b\u7cfb\u7d71\u9762\u8207 AP \u9762\u662f\u5426\u9084\u6709\u8abf\u6574\u7684\u7a7a\u9593\u3002<\/p>\n\n

Best Practices for Speeding Up Your Web Site<\/a> \u662f Yahoo \u505a\u6548\u80fd\u8abf\u6821\u6642\u6574\u7406\u51fa\u4f86\u7684 14 \u9805 Rule\uff0c\u6db5\u84cb\u4e86\u7cfb\u7d71\u9762\u8207\u7db2\u9801\u7a0b\u5f0f\u958b\u767c\u6642\u9700\u6ce8\u610f\u7684\u4e8b\u9805\u3002\u5404\u500b Rule \u7684\u7d30\u7bc0\u9019\u5152\u5c31\u4e0d\u63d0\u4e86\uff0c\u6709\u8208\u8da3\u7684\u53ef\u81ea\u884c\u81f3\u4e0a\u8ff0\u7db2\u5740\u7814\u8b80\u5373\u53ef\u3002\u6211\u50c5\u91dd\u5c0d Rule 3 “Add an Expires Header” \u62ff\u4f86\u5957\u7528\u5728 Broso Web \u7684\u8a2d\u5b9a\uff0c\u5957\u7528\u7684\u7d50\u679c\u7684\u78ba\u6548\u679c\u986f\u8457\u3002<\/p>\n\n

Broso \u4e0a\u7684\u61c9\u7528\u4e0d\u5916\u4e4e\u662f\u90e8\u843d\u683c\u8207\u76f8\u7c3f\uff0c\u6240\u4ee5\u7db2\u7ad9\u4e0a\u5927\u90e8\u5206\u90fd\u662f\u975c\u614b\u7684\u5716\u6a94\u3001JavaScript\u3001CSS\u3002\u5728\u6c92\u6709\u8a2d\u5b9a Expires Header \u4e4b\u524d\uff0c\u5373\u4f7f\u975c\u614b\u5716\u6a94\u5167\u5bb9\u4e26\u672a\u6539\u8b8a\uff0cBrowser \u4ecd\u7136\u6703\u767c\u500b Request \u4f86 Broso Web \u554f\u554f\u5716\u6a94\u662f\u5426\u6709\u66f4\u65b0\u3002\u7531\u65bc\u5716\u6a94\u4e26\u672a\u66f4\u65b0\uff0c\u65bc\u662f Apache \u4fbf\u6703\u56de\u8986 HTTP Result Code 304 (Not Modified)\uff0c\u56e0\u6b64 Browser \u4fbf\u7e7c\u7e8c\u4f7f\u7528 local cache \u4e0a\u7684\u539f\u5716\u6a94\u4f86\u986f\u793a\u3002\u4e0b\u9762\u7684\u8cc7\u6599\u662f\u5f9e Fiddler \u6240\u7bc0\u9304\u51fa\u4f86\u7684\uff1a<\/p>\n\n

\"\"<\/p>\n\n

\u7576\u7db2\u9801\u4e2d\u7684\u5c0f\u5716\u6a94\u773e\u591a\u6642\uff0cBrowser \u6240\u767c\u51fa\u8a62\u554f\u5716\u6a94\u662f\u5426\u66f4\u65b0\u7684 Request \u4ee5\u53ca Web Server \u6240\u56de\u8986\u7684 304 (Not Modified) Response\uff0c\u5c07\u5f62\u6210\u56b4\u91cd\u7684 overhead\u3002\u5982\u679c\u78ba\u5b9a\u5927\u90e8\u5206\u7684\u975c\u614b\u8cc7\u6599\u90fd\u662f\u5f88\u4e45\u624d\u6703\u505a\u66f4\u65b0\uff0c\u4fbf\u53ef\u4ee5\u91dd\u5c0d\u9019\u985e\u578b\u7684\u8cc7\u6599\u8a2d\u5b9a Expires Header\u3002<\/p>\n\n

HTTP \u5354\u5b9a\u4e2d Expires \u9019\u500b header tag\uff0c\u662f\u7531 Web Server \u56de\u8986\u7d66 Browser\u3002\u8209\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n\n
\n
\nHTTP\/1.1 200 OK
\nDate: Sun, 25 Nov 2007 15:58:58 GMT
\nServer: Apache\/2.0.61 (Unix) mod_watch\/4.3
\nLast-Modified: Sat, 17 Nov 2007 04:16:21 GMT
\nETag: “1e6f13-216e-2d712f40”
\nAccept-Ranges: bytes
\nContent-Length: 8558
\nCache-Control: max-age=259200
\nExpires: Wed, 28 Nov 2007 15:58:58 GMT
\nContent-Type: image\/jpeg
\n<\/font>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

Expires \u6b04\u4f4d\u6307\u793a\u9019\u500b\u975c\u614b\u5716\u6a94\u4e00\u76f4\u5230 2007\/11\/28 15:58:58 \u4ee5\u5f8c\u624d\u6703\u904e\u671f\uff0c\u56e0\u6b64 Browser \u5728\u9019\u500b\u6642\u9593\u4e4b\u524d\u90fd\u4e0d\u6703\u518d\u767c\u51fa\u4efb\u4f55 Request \u5230 Web Server \u4f86\u8a62\u554f\u5716\u6a94\u662f\u5426\u66f4\u65b0\uff0c\u76f4\u63a5\u4f7f\u7528 local cache \u4e2d\u7684\u5716\u6a94\u4f86\u986f\u793a\uff0c\u6240\u4ee5\u6240\u6709\u7684 304 (Not Modified) Response \u90fd\u53ef\u4ee5\u7701\u4e86\uff0c\u4fbf\u53ef\u6e1b\u8f15 Web Server loading \u8207\u983b\u5bec\uff0cBrowser \u7684\u986f\u793a\u901f\u5ea6\u4e5f\u6703\u66f4\u8fc5\u901f\u3002<\/p>\n\n

\u5728 Apache 2.0 \u8981\u555f\u7528 Expires Header\uff0c\u9700\u4f7f\u7528 mod_expires module\u3002\u9810\u8a2d\u8a2d\u5b9a\u6b64\u6a21\u7d44\u4e26\u4e0d\u6703\u555f\u7528\uff0c\u9700\u91cd\u65b0\u7de8\u8b6f\uff0c\u4e26\u900f\u904e configure \u8a2d\u5b9a\u9700\u52a0\u5165\u6b64\u6a21\u7d44\uff0cApache2 \u624d\u6703\u5177\u6709\u8655\u7406 Expires Header \u7684\u80fd\u529b\u3002<\/p>\n\n

\u91cd\u65b0\u7de8\u8b6f Apache2 \u7684\u65b9\u6cd5\u53ef\u4ee5\u53c3\u8003\u5148\u524d\u7684\u6587\u7ae0 – Apache Basic \/ Digest Realm Authentication<\/a>\uff0c\u9019\u6b21\u6211\u91cd\u65b0\u7de8\u8b6f Apache \u6642\u4f7f\u7528\u7684 configure \u53c3\u6578\u5982\u4e0b\uff1a<\/p>\n\n

[root@broso httpd-2.0.61]# .\/configure –prefix=\/usr\/local\/apache2 –enable-auth-digest –enable-deflate –enable-expires<\/p>\n\n

\u7de8\u8b6f\u5b8c\u7562\u5f8c\uff0capache2 \u5c31\u5177\u6709\u8655\u7406 Expires Header \u7684\u80fd\u529b\u4e86\uff0c\u6b64\u6642\u4fbf\u53ef\u9032\u884c httpd.conf \u7684\u8a2d\u5b9a\u4e86\uff08mod_expires \u7684\u8a73\u7d30\u8a9e\u6cd5\u53ef\u53c3\u8003 Apache Module mod_expires<\/a>\uff09\uff0c\u91dd\u5c0d\u9700\u8981\u8a2d\u5b9a Expires Header \u7684\u6587\u4ef6\u7a2e\u985e\u8207\u9810\u8a08\u904e\u671f\u7684\u6642\u9593\u9032\u884c\u8a2d\u5b9a\u3002<\/p>\n\n\n\n\n
\n
\n# mod_expire \u91dd\u5c0d\u4e0b\u5217 MIME type \u8a2d\u5b9a Expires header
\nExpiresActive On
\nExpiresByType image\/jpeg “access plus 3 days”
\nExpiresByType image\/gif “access plus 3 days”
\nExpiresByType image\/png “access plus 5 minutes”

\nExpiresByType image\/x-icon “access plus 4 weeks”
\nExpiresByType application\/x-javascript “access plus 2 weeks”
\nExpiresByType text\/css “access plus 2 weeks”
\nExpiresByType application\/x-shockwave-flash “access plus 4 weeks”
\n<\/font>\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

\u8a2d\u5b9a\u5b8c\u7562\uff0c\u91cd\u65b0\u555f\u52d5 Apache2 \u5373\u53ef\u3002<\/p>\n\n

\u518d\u7528 Fiddler \u4f86\u9a57\u8b49\u4e00\u4e0b Expires Header \u6709\u6c92\u6709\u751f\u6548\u3002\u9996\u5148\u8a18\u5f97\u5148\u6e05\u9664 Browser cache\uff0c\u518d\u700f\u89bd\u76f8\u7c3f\u9996\u9801\u3002\u96a8\u4fbf\u627e\u4e00\u500b\u5716\u6a94\u4f86\u770b\u770b Expires Header \u662f\u5426\u5df2\u7d93\u51fa\u73fe\uff1f<\/p>\n\n

\"\"<\/p>\n\n

\u518d\u6b21\u700f\u89bd\u76f8\u7c3f\u9996\u9801\uff0c\u770b\u770b\u7b2c\u4e8c\u6b21 Browser \u662f\u5426\u9084\u6703\u767c\u51fa Request \u4f86\u8a62\u554f\u5716\u6a94\u662f\u5426\u66f4\u65b0\uff1f<\/p>\n\n

\"\"<\/p>\n\n

\u6557 Expires \u4e4b\u8cdc\uff0cBrowser \u5df2\u7d93\u77e5\u9053\u5716\u6a94\u5c1a\u672a\u904e\u671f\uff0c\u56e0\u6b64\u4fbf\u53ea\u6703\u767c\u51fa jsp \u7684 Request \u4e86\u3002<\/p>\n\n","protected":false},"excerpt":{"rendered":"

\u7db2\u7ad9\u7684\u56de\u61c9\u901f\u5ea6\u5feb\u6162\u4e00\u76f4\u662f\u6538\u95dc\u65bc\u4f7f\u7528\u8005\u6703\u4e0d\u6703\u505c\u7559\u4e0b\u4f86\u7e7c\u7e8c\u700f\u89bd\u6700\u4e3b\u8981\u7684\u95dc\u9375\u3002\u6700\u8fd1\u5de5\u4f5c\u4e0a\u4e5f\u9762\u81e8\u5230\u540c\u6a23\u7684\u554f\u984c\uff0c\u7db2\u7ad9\u56de\u61c9 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-56","post","type-post","status-publish","format-standard","hentry","category-ittechapache"],"_links":{"self":[{"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/posts\/56","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/comments?post=56"}],"version-history":[{"count":0,"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/posts\/56\/revisions"}],"wp:attachment":[{"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/media?parent=56"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/categories?post=56"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cychien.tw\/wordpress\/wp-json\/wp\/v2\/tags?post=56"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}