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Alt标签和Title标签的区别在和使用讲解

Alt标签和Title标签是常用的HTML标签，用于描述图片和链接的附加信息。 Alt标签是在网页中显示图片出现问题时的替代文本，也可以帮助搜索引擎了解图片内容，提高网站SEO。当图片无法加载时，将会显示Alt文本，帮助用户理解图片内容，同时避免了图片无法显示的空白区域出现。因此，Alt标签应该用简洁明了的语言描述图片内容，并尽量包含主要关键词，一般应当简洁并准确规范。 Title标签用于为链接添加附加信息，当鼠标悬浮在链接上时会显示Title文本，对于希望向用户提供更多信息的网站来说，Title标签是非常有用的。Title标签的内容需要具体明确且富有信息量，用来提示用户将进入的页面内容。同时，在搜索引擎中也有重要的作用，可以提高网站的SEO，因此应当精确规范且不应该过度堆砌关键词。综上所述，Alt标签和Title标签的作用和使用方法有所不同，但都非常重要，可以提高网站的用户体验和SEO效果。

Public @ 2023-04-22 13:50:24

H标签怎么优化

a：<h1>标签对页面最重要部分强调，一般用于页面标题。注意的是页面中的<h1>标签只能出现一对。b：<h2>，<h3>及其他<h>标签在同一页面中可多次出现，一般用于栏目名称，文章段落标题或小标题中。来源：搜外网

Public @ 2012-08-08 16:08:21

H标签作用

H标签用于在HTML文档中标记页面标题和副标题，包括从H1到H6标签。H1标签代表最高级别的标题，而H6标签代表最低级别的标题。这些标签有助于组织页面内容，使其易于阅读和理解，并有助于搜索引擎了解页面的结构和内容。此外，H标签还可以用于CSS样式指定，从而改变标题的外观和格式。

Public @ 2023-05-27 04:50:07

网站图片如何优化？

为什么网站图片要优化？图文并茂的文章使人阅读愉快，会起到意想不到的效果。只有文字内容会使人看着容易疲倦。在用户体验上，蜘蛛抓取上也尤为的重要。图片的优化不仅包括图片质量的清晰度，还要考虑到图片自身的名字命名。Goge、百度还不能有效地识别图片中的文字信息，我们要做的是尽可能给蜘蛛提供足够的主题信息。网站图片优化如下：一、at属性补充图片说明alt标签的优势在于能让蜘蛛很快地了解到图片的具体内容。不

Public @ 2021-04-22 15:16:42

图片优化须知的8个小技巧

感谢Fimen的投稿：如果你运营在线商城又或是大型电商网站，图片优化是你必须要掌握的。不仅仅是从吸引潜在消费者，还是增加图片搜索流量，又或是提升网站加载速度，图片优化扮演者非常关键的角色。但说到图片优化，很多传统意义上的SEO人会说，图片要加alt标签，图片要压缩…这样的粗线条显然是不行的。今天我就和大家深入分享一下图片优化必须了解的8个知识点。1. 用结构化数据写产品图片ALT我们很容易使用照相

Public @ 2021-09-29 15:16:37

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[ DB ] CONNECT:[ UseTime:0.025711s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.018231s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7597 LIMIT 1 [ RunTime:0.017337s ]
[ 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:0.017383s ]
[ 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:0.017694s ]
[ 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:0.018342s ]
[ 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` = 7597 LIMIT 1 [ RunTime:0.017237s ]
[ 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+2 where id=7597 [ RunTime:0.017865s ]
[ 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:0.024189s ]
[ 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` = '威海网站页面优化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.034637s ]
[ 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Alt文字' AND `status` <> -1 LIMIT 1 [ RunTime:0.024290s ]
[ 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Alt文字' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.042454s ]
[ 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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