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HTTP狀態(tài)碼301與302有什么區(qū)別

HTTP狀態(tài)碼301和302都表示重定向，但它們的意義不同。 301狀態(tài)碼表示永久重定向，意味著被請求的資源已經(jīng)被移動到新的位置，并且這個位置永久有效，下次請求時可以直接訪問新的位置。搜索引擎會將原來的網(wǎng)址對應(yīng)的排名和權(quán)重轉(zhuǎn)移到新的位置，所以使用301重定向有利于提升網(wǎng)站的SEO效果。通常，在網(wǎng)站更改域名或修改URL結(jié)構(gòu)時會使用301重定向。 302狀態(tài)碼表示臨時重定向，意味著被請求的資源暫時不在原來的位置，而是在一個新的位置，但是這個新的位置不一定長期有效。下次請求時，仍然需要訪問原來的位置才能訪問到資源。搜索引擎不會將原來的排名和權(quán)重轉(zhuǎn)移到新的位置，因為這個位置只是暫時的。通常在網(wǎng)站維護(hù)或臨時關(guān)閉時會使用302重定向。

Public @ 2023-03-31 06:00:21

職場中的31條常見潛規(guī)則

在職場中難免會有很多復(fù)雜的關(guān)系和問題，想成為一個成熟又有相當(dāng)閱歷的職場人，必須要懂得一些職場的規(guī)則，下面給大家分享一些職場干貨，希望你也能從中吸取到寶貴的經(jīng)驗。1、領(lǐng)導(dǎo)喜歡把雜亂麻煩的事交給工作勤懇、靠譜的人，因為放心;而升職加薪，大概率會優(yōu)先考慮那些關(guān)系好、還會說好話的人。2、槍打出頭鳥。職場里最排擠喜歡彰顯優(yōu)越的人，越顯擺自己有多大能耐，越容易遭人記恨，你要知道，沒人關(guān)心你過得好不好，只會有人

Public @ 2011-01-24 15:33:03

利用百度精選摘要提升網(wǎng)站流量的方法

威海seo專題威海精選摘要
1156

百度精選搜索是百度移動端上展示的新形式，逐步同步到了百度PC端，只有優(yōu)質(zhì)內(nèi)頁答案才能夠進(jìn)入百度“0位”超前的排名位置。是SEO優(yōu)化排名新的超級流量入口。1，什么是百度精選結(jié)果？百度精選搜索結(jié)果會直接呈現(xiàn)在搜索入口最首頁，先展示部分內(nèi)部再出現(xiàn)標(biāo)題和URL，能夠優(yōu)先吸引獲得用戶點擊。百度精選摘要，這其實是百度基于用戶的角度，給優(yōu)質(zhì)內(nèi)容開啟的一條綠色通道，讓流量向優(yōu)質(zhì)內(nèi)容傾斜，從而獲得更多的展示機會和支

Public @ 2011-03-01 16:18:53

HTTP狀態(tài)碼301與302有什么區(qū)別

HTTP狀態(tài)碼301和302都是重定向狀態(tài)碼，但有以下區(qū)別： 1. 301狀態(tài)碼表示永久性重定向，即原始URL永久性移動到了新的URL地址，搜索引擎需要更新索引（搜索結(jié)果），將原先的URL位置更新為新的URL位置。而302狀態(tài)碼表示暫時性重定向，即原始URL移動到了新的URL地址，但是這個移動只是暫時的，搜索引擎不需要更新索引。 2. 對于301狀態(tài)碼，瀏覽器會記住重定向后的新URL地址，并直

Public @ 2023-04-03 23:50:19

HTTP狀態(tài)碼301與302有什么區(qū)別

301和302都是HTTP重定向狀態(tài)碼的一種，它們的區(qū)別在于重定向的方式不同。 301狀態(tài)碼表示永久性重定向，告訴瀏覽器被請求的資源已經(jīng)被永久性地移動到了新的位置并且搜索引擎應(yīng)該更新他們的索引。瀏覽器會記住這個重定向，并且在以后的請求中直接訪問新的資源地址。這種方式適用于網(wǎng)站URL結(jié)構(gòu)做出的永久性更改或者將網(wǎng)站遷移至新的域名。 302狀態(tài)碼表示臨時性重定向，告訴瀏覽器被請求的資源暫時性地被移動

Public @ 2023-06-22 16:00:15

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[ DB ] CONNECT:[ UseTime:0.026860s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.019070s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.018133s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_config', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 25, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.019026s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6568 LIMIT 1 [ RunTime:0.018120s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.018366s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.018589s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.018708s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6568 LIMIT 1 [ RunTime:0.018066s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+2 where id=6568 [ RunTime:0.021086s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo專題' AND `status` <> -1 LIMIT 1 [ RunTime:0.025289s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo專題' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.054998s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海301永久重定向,302臨時重定向' AND `status` <> -1 LIMIT 1 [ RunTime:0.026033s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海301永久重定向,302臨時重定向' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036084s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 8035, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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HTTP狀態(tài)碼301與302有什么區(qū)別

職場中的31條常見潛規(guī)則

利用百度精選摘要提升網(wǎng)站流量的方法

HTTP狀態(tài)碼301與302有什么區(qū)別

HTTP狀態(tài)碼301與302有什么區(qū)別

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