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網(wǎng)站seo優(yōu)化如何避免蜘蛛陷阱

第一、蜘蛛陷阱是什么？“蜘蛛陷阱”是阻止蜘蛛程序爬行網(wǎng)站的障礙物，通常是那些顯示網(wǎng)頁的技術(shù)方法，很多瀏覽器在設(shè)計的時候考慮過這些因素，所以可能網(wǎng)頁界面看起來非常正常，但這些蜘蛛陷阱會對蜘蛛程序造成障礙，如果消除這些蜘蛛陷阱，可以使蜘蛛程序收錄更多的網(wǎng)頁。SEO工作中，網(wǎng)頁被收錄是基礎(chǔ)工作，但對于搜索引擎來講，極少情況會100%收錄你網(wǎng)站的所有網(wǎng)頁，搜索引擎的爬蟲程序設(shè)計的再精巧，也難以逾越所謂的蜘

Public @ 2018-08-10 16:21:38

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[ DB ] CONNECT:[ UseTime:0.031439s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.022164s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海蜘蛛陷阱' AND `status` <> -1 LIMIT 1 [ RunTime:0.028523s ]
[ 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` = '威海蜘蛛陷阱' AND `status` <> -1 ORDER BY create_time desc LIMIT 0,10 [ RunTime:0.028654s ]
[ 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 filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.022037s ]
[ 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:0.021695s ]
[ 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:0.022081s ]
[ 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', ) ]

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網(wǎng)站seo優(yōu)化如何避免蜘蛛陷阱

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