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雙向鏈接（tow-waylink）

雙向鏈接（two-way link）是一種在網(wǎng)頁或多個(gè)文檔之間進(jìn)行相互鏈接的技術(shù)，允許用戶在一個(gè)文檔中點(diǎn)擊鏈接跳轉(zhuǎn)到另一個(gè)文檔，并且在目標(biāo)文檔中能夠方便地返回到原始文檔。雙向鏈接的概念最早出現(xiàn)在超文本系統(tǒng)（Hypertext System）中，超文本系統(tǒng)是一種通過文本之間的鏈接實(shí)現(xiàn)非線性閱讀的系統(tǒng)。在超文本系統(tǒng)中，可以通過鏈接跳轉(zhuǎn)到其他文本，在其他文本中又可以通過鏈接返回到原始文本，從而實(shí)現(xiàn)多個(gè)文本之間的雙向鏈接。在互聯(lián)網(wǎng)的發(fā)展過程中，雙向鏈接成為了網(wǎng)頁設(shè)計(jì)和網(wǎng)站建設(shè)中的重要技術(shù)之一。在網(wǎng)頁中，可以通過超鏈接（Hyperlink）的方式實(shí)現(xiàn)雙向鏈接。用戶可以點(diǎn)擊鏈接跳轉(zhuǎn)到其他網(wǎng)頁，在其他網(wǎng)頁中又可以通過返回鏈接（Backlink）或?qū)Ш綑诘确绞椒祷氐皆季W(wǎng)頁。雙向鏈接在提供用戶友好的瀏覽體驗(yàn)的同時(shí)，也有助于增加網(wǎng)頁之間的關(guān)聯(lián)性。通過雙向鏈接，可以實(shí)現(xiàn)網(wǎng)頁之間的相互引用，從而提高網(wǎng)頁的搜索引擎排名，并提高用戶對(duì)相關(guān)內(nèi)容的瀏覽和點(diǎn)擊量。總之，雙向鏈接是一種可以在網(wǎng)頁或多個(gè)文檔之間進(jìn)行相互鏈接的技術(shù)，通過提供跳轉(zhuǎn)和返回功能，實(shí)現(xiàn)了非線性閱讀和網(wǎng)頁之間的關(guān)聯(lián)性。

Public @ 2023-06-28 21:50:23

蜘蛛程序圈套（spidertrap）

蜘蛛程序圈套（spidertrap）是一種防止搜索引擎蜘蛛（spider）訪問網(wǎng)站的技術(shù)手段。它通常是通過在網(wǎng)站中放置特定的鏈接或頁面，吸引蜘蛛訪問，但是這些鏈接或頁面的內(nèi)容是虛假的或者是無法訪問的，從而讓搜索引擎無法獲取到相關(guān)信息。這種技術(shù)常常被用于防止競爭對(duì)手獲取商業(yè)機(jī)密或者是防止惡意蜘蛛程序入侵。然而，由于搜索引擎會(huì)將這種“陷阱”視為網(wǎng)站質(zhì)量較差或存在欺詐行為，因此過多地使用此技術(shù)可能會(huì)導(dǎo)致

Public @ 2023-03-28 14:50:24

超文本

超文本是用超鏈接的辦法，將各種不同空間的文字信息安排在一起的網(wǎng)狀文本，超文本更是一種用戶界面范式，用以顯現(xiàn)文本及與文本之間相關(guān)的內(nèi)容，現(xiàn)時(shí)超文本遍及以電子文檔辦法存在，其間的文字包含有可以鏈結(jié)到其他方位或許文檔的連接，答應(yīng)從當(dāng)前閱覽方位直接切換到超文本連接所指向的方位，超文本的格局有許多，現(xiàn)在最常運(yùn)用的是超文本符號(hào)言語（規(guī)范通用符號(hào)言語下的一個(gè)使用）及富文本格局。

Public @ 2009-12-19 15:51:52

雙向鏈接（tow-waylink）

Public @ 2023-06-28 21:50:23

雙向鏈接（tow-waylink）

雙向鏈接是指兩個(gè)網(wǎng)頁之間互相鏈接的鏈接關(guān)系，即一個(gè)網(wǎng)頁上的鏈接指向另一個(gè)網(wǎng)頁，另一個(gè)網(wǎng)頁也同時(shí)鏈接回原網(wǎng)頁。從搜索引擎優(yōu)化的角度來看，雙向鏈接是一種有效的鏈接策略，它可以在兩個(gè)網(wǎng)站之間建立聯(lián)系，提高兩個(gè)網(wǎng)站的互聯(lián)度，促進(jìn)彼此的流量增長。但是，雙向鏈接也容易被搜索引擎認(rèn)為是“過度優(yōu)化”，所以在使用時(shí)需要注意策略和技巧。

Public @ 2023-03-31 14:00:15

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[ DB ] CONNECT:[ UseTime:0.029822s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.021181s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9559 LIMIT 1 [ RunTime:0.020131s ]
[ 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:0.020552s ]
[ 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:0.020654s ]
[ 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:0.020997s ]
[ 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` = 9559 LIMIT 1 [ RunTime:0.020024s ]
[ 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=9559 [ RunTime:0.023414s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo術(shù)語' AND `status` <> -1 LIMIT 1 [ RunTime:0.027024s ]
[ 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術(shù)語' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039524s ]
[ 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` = '威海雙向鏈接' AND `status` <> -1 LIMIT 1 [ RunTime:0.026807s ]
[ 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` = '威海雙向鏈接' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035582s ]
[ 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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雙向鏈接（tow-waylink）

蜘蛛程序圈套（spidertrap）

超文本

雙向鏈接（tow-waylink）

雙向鏈接（tow-waylink）

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