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網(wǎng)站有必要裝防火墻嗎？

微信懸賞

網(wǎng)站有必要裝防火墻嗎？Nginx免費防火墻有沒有作用？有沒有用過的分享一下

回答：

網(wǎng)站裝防火墻，會嚴(yán)重影響搜索引擎的排名，請慎重選擇！?。∫话悴唤ㄗh安裝。

來源：A5營銷

Public @ 2012-01-01 16:05:00

canonical標(biāo)簽寫成關(guān)鍵詞利于優(yōu)化嗎？

大仙seo 提問于 3年之前問題一：canonical標(biāo)簽是在zac老師的博客里認(rèn)識到的，看到很多網(wǎng)站的canonical標(biāo)簽寫成關(guān)鍵詞。形式即：<link rel=\\\”canonical\\\” href=\\\”SEO優(yōu)化技術(shù)\\\”/>，這樣有用嘛？問題二：針對列表頁的分頁問題，該如何讓后面的分頁權(quán)重更集中在第一個列表頁面？看到有些網(wǎng)站是這樣寫的：<base hre

Public @ 2016-02-13 15:52:44

百度快照顯示不全的原因是什么？

1. 網(wǎng)頁內(nèi)容更新太快：網(wǎng)頁如果經(jīng)常發(fā)生更新，百度快照就不能夠及時地反映出頁面的最新情況了； 2. 網(wǎng)頁的動態(tài)內(nèi)容：百度快照是通過爬蟲去抓取網(wǎng)頁網(wǎng)頁內(nèi)容的，它只會抓取靜態(tài)內(nèi)容部分，通常不會抓取動態(tài)內(nèi)容。有時候動態(tài)的內(nèi)容也會影響網(wǎng)頁的完整顯示； 3. 抓取意外：有時候是百度爬蟲非正常抓取造成的； 4. 網(wǎng)頁壓縮：網(wǎng)站開發(fā)者會對網(wǎng)頁內(nèi)容進行壓縮，以加快網(wǎng)頁打開速度，但大多時候這種壓縮會導(dǎo)致快照顯示

Public @ 2023-03-01 10:48:26

網(wǎng)站有必要裝防火墻嗎？

網(wǎng)站有必要裝防火墻嗎？微信懸賞網(wǎng)站有必要裝防火墻嗎？Nginx免費防火墻有沒有作用？有沒有用過的分享一下回答：網(wǎng)站裝防火墻，會嚴(yán)重影響搜索引擎的排名，請慎重選擇?。?！一般不建議安裝。來源：A5營銷

Public @ 2012-01-01 16:05:00

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基本文件流程錯誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.027956s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.020080s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 3975 LIMIT 1 [ RunTime:0.018951s ]
[ 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:0.019226s ]
[ 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:0.019542s ]
[ 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:0.019846s ]
[ 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` = 3975 LIMIT 1 [ RunTime:0.018829s ]
[ 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+1 where id=3975 [ RunTime:0.019895s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo問答' AND `status` <> -1 LIMIT 1 [ RunTime:0.025755s ]
[ 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問答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.047565s ]
[ 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` = '威海網(wǎng)站防火墻' AND `status` <> -1 LIMIT 1 [ RunTime:0.026162s ]
[ 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` = '威海網(wǎng)站防火墻' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035048s ]
[ 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', ) ]

0.505686s

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網(wǎng)站有必要裝防火墻嗎？

canonical標(biāo)簽寫成關(guān)鍵詞利于優(yōu)化嗎？

百度快照顯示不全的原因是什么？

網(wǎng)站有必要裝防火墻嗎？

更多您感興趣的搜索

Categories

Tags

網(wǎng)站有必要裝防火墻嗎？

canonical標(biāo)簽寫成關(guān)鍵詞利于優(yōu)化嗎？

百度快照顯示不全的原因是什么？

網(wǎng)站有必要裝防火墻嗎？

更多您感興趣的搜索

網(wǎng)站有必要裝防火墻嗎？

canonical標(biāo)簽寫成關(guān)鍵詞利于優(yōu)化嗎？

百度快照顯示不全的原因是什么？

網(wǎng)站有必要裝防火墻嗎？