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H标签如何正确使用

H标签用于定义HTML文档中的标题。一般来说，一个HTML文档应该只有一个H1标签，表示主标题，而后续的章节标题则可以使用H2、H3等标签。以下是正确使用H标签的示例： ```html My Website

Welcome to My Website

About Us

We are a small company dedicated to bringing you the best products.

Our Products

We offer a wide range of high-quality products to meet all your needs.

Product 1

Product description goes here.

Product 2

Product description goes here.

``` 在这个例子中，我们首先定义了一个H1标签，表示主标题。然后我们使用H2标签定义关于我们和我们的产品的章节标题。最后，我们使用H3标签定义每个产品的名称。请注意，每个标题都应该在前面使用较小的数字，例如，H2标签应该在H1标签之后使用，而H3标签应该在H2标签之后使用。

Public @ 2023-06-25 22:50:21

网站404页面优化

今天和大家分享“404页面是什么？优化404页提示我们想了解网站死链接，空页面面排名的影响很大，因为直接影响到网站的综合分数，会降低网站的排名，让百度认为你的网站不能为用户提供稳定的内容，当然我们可以用404页来优化死链接和空页面，1，什么是404页面？当用户访问服务器资源的时候，资源丢失，便会返回一个404状态码，这种404状态码就称为404页面，或是在用户输入错误的页面链接时，访问的资源肯定是

Public @ 2022-11-29 16:09:56

Alt文字的重要性

图片alt属性是搜索引擎唯一能识别的图片信息，因此，在优化网站时，尽可能利用alt属性阐述图片的主题内容，但是又要避免关键词的重叠堆砌，该图片属性作用也不仅仅告诉搜索引擎图片的主要信息，另外在图片出现加载失败时，还能够让访客理解图片所阐述的内容！用来对网页上的图片进行描述，光标在图片上时显示的提示语即采用该标签实现。从SEO和用户体验来看，ALT-代替属性都是必要的，其重要性主要有：网页内容相关性

Public @ 2022-10-09 15:16:45

H标签是什么？H标签要怎么优化

H标签是什么意思H标签也叫做Heading标签，在HTML语言里一共有六种大小的heading标签，是网页HTML中对文本标题所进行的着重强调的一种标签，本质是为了呈现内容结构。Heading标签一共有H1、H2、H3、H4、H5、H6、H7六对，按照从大到小的Heading标签重要性下降，权重也依次下降。H标签是成对出现的，以H开始，以 /H 结束。H1、H2、H3、H4、H5、H6、H7作为标

Public @ 2011-07-28 16:08:21

H标签优化总结

h1标签在一个页面中只能使用一次，因为它代表了页面的主标题（这相当于一篇文章不会有很多主标题一样），但是h2到h6标签可以使用多次，不过建议都是用一次，多次使用会稀释权重。使用<H1>关键词的时候，不要让题头失去可读性，内容要能概括文章主题，要考虑读者的感受。如果把网站比作成一棵大树，主干部分就是网站的核心内容，而粗壮的枝杈就是网站的各个分类，枝叶部分就是网站具体内容，搜索引擎的爬虫就

Public @ 2010-07-02 16:08:23

更多您感兴趣的搜索

基本文件流程错误 SQL 调试

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/www/wwwroot/briline.net/app/common/behavior/InitHook.php ( 1.25 KB )
/www/wwwroot/briline.net/app/common/model/Hook.php ( 0.77 KB )
/www/wwwroot/briline.net/thinkphp/library/think/Lang.php ( 6.95 KB )
/www/wwwroot/briline.net/thinkphp/lang/zh-cn.php ( 3.85 KB )
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/www/wwwroot/briline.net/thinkphp/library/traits/controller/Jump.php ( 4.97 KB )
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[ DB ] CONNECT:[ UseTime:0.021976s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.016768s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014842s ]
[ 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_hook` [ RunTime:0.015828s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014761s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_hook', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 3, 'extra' => NULL, ) ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.015837s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 9430 LIMIT 1 [ RunTime:0.014905s ]
[ 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:0.015053s ]
[ 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:0.015255s ]
[ 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:0.015841s ]
[ 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` = 9430 LIMIT 1 [ RunTime:0.014758s ]
[ 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=9430 [ RunTime:0.017191s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站页面优化' AND `status` <> -1 LIMIT 1 [ RunTime:0.022048s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站页面优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034808s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海H标签' AND `status` <> -1 LIMIT 1 [ RunTime:0.021790s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海H标签' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.031523s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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