Alt标签和Title标签的区别在和使用讲解_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_ChatGPT

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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标签都是用来为网页中的图像元素提供文字描述的标记。 Alt标签是一种HTML标签，用于为图像元素提供文本描述。这个描述在以下情况下会很有用： 1. 当图像无法加载时，Alt标签可以在页面上显示一个代替文本，使用户知道该图像应该出现的位置和意义。 2. Alt标签还可以帮助搜索引擎了解图像的内容和意义，从而对网页的排名产生影响。 3. 对于视障人士和使用屏幕阅读器的人来说，Alt标签是必要的辅助技术，帮助他们理解页面中的图像元素。 Title标签也是一种HTML标记，用于提供更详细的描述。Title标签的作用包括： 1. 当用户将鼠标悬停在图像上时，Title标签可以显示一个具有更详细信息的工具提示（tooltip）。 2. 对于链接或按钮等互动元素，Title标签可以提供更多的指示，例如告诉用户一个链接将带他们去哪儿。 3. 在搜索结果中，一些搜索引擎可以使用Title标签作为网页的标题，从而提高点击率。总体来说，Alt标签和Title标签都是非常有用的HTML标记，可以提高网页的可访问性和搜索引擎优化效果。区别在于Alt标签主要用于图像元素的基本描述，而Title标签则提供更详细的信息和指示。

Public @ 2023-04-09 23:51:00

时间因子设置规范

1、时间因子定义落地页时间因子是百度搜索判断资源收录、展示、排序结果的重要参考依据，落地页如果存在页面时间标注不清、页面无时间等情况，不但对用户浏览体验不友好，且不利于优质站点和小程序的搜索展现效果。2、时间因子设置要求网站首页、分频道首页提供该列表所有内容中的最新更新时间（update）列表页：如小说/视频封面页、搜索/筛选结果页、贴吧/blog/直播等个人首页、专题页：提供该列表所有内容中的

Public @ 2017-07-17 15:22:15

元标签代码该如何排序及该如何优化

排序：元标签代码可以按照以下方式进行排序： 1. 按照代码的重要性或优先级进行排序，将最重要或最需要优化的代码放在前面。 2. 按照代码的功能或模块进行排序，将同一功能或模块的代码放在一起。优化：对元标签代码进行优化的一些方法包括： 1. 删除不必要的标签代码：去除不需要的元标签代码，减少不必要的代码行数和文件大小。 2. 减少代码重复：通过引入公共标签代码或封装可重用元标签代码的方式，减少重

Public @ 2023-07-22 18:50:19

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

了解网站图片内容优化的重要性，尤其是图片类型站点

网站图片内容优化是指通过对图片进行优化和相关的技术手段来提高网站的用户体验和SEO排名。对于图片类型的网站来说，图片是网站内容的重要组成部分，因此优化图片内容尤为重要。以下是了解网站图片内容优化的重要性的几点原因： 1. 提高用户体验：图片可以吸引用户的注意力，丰富网页内容，提高用户体验和留存率。优化图片内容可以使图片加载更快，降低加载时间，从而提高用户体验。 2. 加速网页加载速度：大型图片

Public @ 2023-07-26 15:00:46

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.021125s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_config` [ RunTime:0.015103s ]
[ SQL ] SELECT * FROM `ob_config` [ RunTime:0.014228s ]
[ 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:0.015462s ]
[ SQL ] SELECT `id`,`name`,`addon_list` FROM `ob_hook` [ RunTime:0.014223s ]
[ 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:0.015366s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7016 LIMIT 1 [ RunTime:0.014225s ]
[ 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:0.014662s ]
[ 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:0.014927s ]
[ 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:0.015091s ]
[ 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` = 7016 LIMIT 1 [ RunTime:0.014239s ]
[ 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=7016 [ RunTime:0.016740s ]
[ 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:0.022464s ]
[ 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:0.034010s ]
[ 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:0.021402s ]
[ 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:0.031773s ]
[ 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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