威海JavaScript_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网

访问本页面，您的浏览器需要支持JavaScript，怎么回事？

威海网站建设威海JavaScript
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百度和google里面搜索我的站点，出现：“访问本页面，您的浏览器需要支持JavaScript”。到底怎么回事？比如：这几天发现在百度和GOOGLE里搜索自己的站点时都显示:访问本页面,您的浏览器需要支持JavaScript... 前几天还是正常的,网页都是纯的HTML,根本不存在浏览器是否支持的问题,请问是什么原因造成的呢?答案：我进行了一系列的分析，发现类似你这种情况的网站还很多。通过搜索“访

Public @ 2017-06-14 16:14:01

JavaScript链接的作用

由于JavaScript可以创造很多吸引人的视觉效果，有些网站喜欢使用JavaScript脚本生成导航。这也是严重的蜘蛛陷阱之一。据观察，有的搜索引擎在技术上可以获得JavaScript脚本中包含的链接，甚至可以执行脚本并跟踪链接，但对权重低的网站，搜索引擎觉得没必要，不会费那个劲。所以网站上的链接必须使用最简单标准的HTML链接，尤其是导航系统。用CSS做导航同样可以实现很多视觉效果。JavaS

Public @ 2010-01-14 16:21:35

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.000300s ] mysql:dbname=briline;host=127.0.0.1;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.000615s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海JavaScript' AND `status` <> -1 LIMIT 1 [ RunTime:0.005643s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海JavaScript' AND `status` <> -1 ORDER BY create_time desc LIMIT 0,10 [ RunTime:0.006103s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, '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:0.000502s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, '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:0.000580s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, '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:0.000746s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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访问本页面，您的浏览器需要支持JavaScript，怎么回事？

JavaScript链接的作用

更多您感兴趣的搜索