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图片优化须知的8个小技巧

1. 减少图片大小：通过缩小图片尺寸、降低图片质量或使用图像压缩器等方式减小图片文件大小。 2. 优化图片格式：选择最适合图片内容和用途的格式，如JPEG、PNG或GIF等。 3. 压缩图片：使用压缩工具减小图片文件大小，例如TinyPNG。 4. 避免使用过大的图片：尽量使用适合网页的大小图片，避免使用过大或过小的图片。 5. 避免使用无意义图片：只使用相关、有意义的图片，避免使用无意义或重复的图片。 6. 使用标准的命名规则：避免在图片名称中使用特殊字符或空格，使用描述性的文件名。 7. 压缩CSS和JavaScript文件：减少CSS和JavaScript文件的大小可以提高网页的加载速度。 8. 使用CDN加速：利用内容分发网络（CDN）加速图片的加载速度，提高网站的性能。

Public @ 2023-04-20 19:00:21

description是啥意思要怎么写

"Description" 是指对某个事物、事情、概念或人的详细阐述，以展示其特点、特征、功能等方面的信息。编写"Description" 时，需要使用准确、简明、具体的语言表达，使读者能够理解和构建对所描述事物的具体形象和概念。以下是一些编写"Description" 的指南： 1. 确定描述的目标：首先要明确所要描述的事物或概念，确定描述的目标是什么，是要描述外观、特征、用途等方面的信息。

Public @ 2023-06-29 06:50:21

页面标题优化概念

页面标题优化是指在网页制作过程中，针对网页主题或关键词选择适当的标题词语，并对其进行合理的组合、排列，以便更好地反映页面内容，并提高在搜索引擎结果页面上的排名。优化页面标题可以增强网站的可读性和可理解性，也可以提高网站被搜索引擎收录的几率，从而带来更多的流量和收益。常见的页面标题优化方法包括选择具有代表性和关键性的关键词、简明扼要地表述页面主题、加入品牌名称和地域等元素、合理使用符号和标点符号等。

Public @ 2023-03-30 05:00:14

Alt标签和Title标签的区别在和使用讲解

Alt标签（alternate text）和Title标签的主要区别在于它们所使用的场合和目的不同。 Alt标签是在HTML中使用的，主要用于描述图像内容，以便于被屏幕阅读器等无障碍工具读取。如果图像无法加载或者读者使用了无障碍工具浏览网页，则可以通过Alt标签来理解图像内容。另外，Alt标签也可以为SEO优化提供价值，可以在搜索引擎中显示图像相关的关键词。 Title标签则用于提供额外的信息

Public @ 2023-04-16 06:00:12

Alt文字的重要性

Alt文字是描述图片网页元素的文字，它的重要性体现在：一、对于搜索引擎的重要性 Alt文字是一种图像元素的HTML属性，它可以提供搜索引擎重要的信息，帮助识别图像信息，提高网页排名。二、有助于视障用户浏览 Alt文字有助于容易地向视障用户提供图片的相关文字信息，让视障用户也可以了解相关图片内容。三、有利于网页优化 Alt文字可以作为关键词，有助于网页结构优化，有助于更好地通过

Public @ 2023-02-24 14:00:20

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.023072s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016474s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 7512 LIMIT 1 [ RunTime:0.015872s ]
[ 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:0.015948s ]
[ 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:0.016263s ]
[ 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:0.016335s ]
[ 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` = 7512 LIMIT 1 [ RunTime:0.015485s ]
[ 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=7512 [ RunTime:0.016486s ]
[ 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:0.022474s ]
[ 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:0.033871s ]
[ 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:0.023215s ]
[ 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:0.037270s ]
[ 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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