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  移動(dòng)端優(yōu)化圖片的方法

整理自網(wǎng)絡(luò)ChatGPT產(chǎn)生之內(nèi)容，文本內(nèi)容不具備參考意義，程序內(nèi)容及代碼片段有且僅有借鑒意義。

  

1. 利用css3 媒體查詢，根據(jù)屏幕大小調(diào)整圖片大小。
2. 使用響應(yīng)式圖片的策略，將不同尺寸的圖片放入不同的標(biāo)簽中，根據(jù) CSS 的媒體查詢，在移動(dòng)端上使用'width'為'100%'的樣式實(shí)現(xiàn)圖片縮放。
3. 使用懶加載圖片技術(shù)，可以有效地提高網(wǎng)站訪問性能，減少首頁加載時(shí)間，提升用戶體驗(yàn)。
4. 要謹(jǐn)慎選擇合適格式的圖片，盡量采用jpg或者webp格式，減小圖片資源大小，提升網(wǎng)頁加載速度。
5. 可以采用圖片壓縮算法，將圖片尺寸壓縮至最小，然后進(jìn)行相關(guān)優(yōu)化，采用WEBP格式的圖片，可以進(jìn)一步減少圖片大小。

Public @ 2023-02-24 02:24:01 整理自網(wǎng)絡(luò)ChatGPT產(chǎn)生之內(nèi)容，文本內(nèi)容不具備參考意義，程序內(nèi)容有且僅有借鑒意義。

影響移動(dòng)站排名的因素

1、頁面展示寬度：移動(dòng)端用戶習(xí)慣上下滑動(dòng)屏幕，如果一個(gè)網(wǎng)站需要用戶用左右滑動(dòng)才能閱讀完整，則用戶體驗(yàn)是非常糟糕的。2、移動(dòng)設(shè)備廣告：在移動(dòng)端搜索都遇到過這樣的網(wǎng)頁，整個(gè)屏幕都是廣告內(nèi)容，有些甚至無法關(guān)閉，只能上下滑動(dòng)“偷著看”，對(duì)于這樣的網(wǎng)頁，用戶肯定不愿意進(jìn)行二次瀏覽。3、標(biāo)題部署：大多數(shù)網(wǎng)站直接采用PC端的標(biāo)題部署，并未考慮移動(dòng)設(shè)備顯示長(zhǎng)度的長(zhǎng)度。如果標(biāo)題嚴(yán)重超長(zhǎng)，則用戶要了解的標(biāo)題只顯示一半

Public @ 2020-02-26 16:12:19

移動(dòng)端網(wǎng)站建設(shè)如何提高資源的易用性

要提高移動(dòng)端網(wǎng)站的資源易用性，可以采取以下幾種方法： 1. 簡(jiǎn)化界面：移動(dòng)屏幕相比于桌面屏幕較小，需要更簡(jiǎn)潔明了的界面設(shè)計(jì)。通過減少冗余信息、簡(jiǎn)化操作流程和提供清晰的導(dǎo)航，使用戶能夠迅速找到并使用所需的資源。 2. 響應(yīng)式設(shè)計(jì)：采用響應(yīng)式網(wǎng)頁設(shè)計(jì)，使網(wǎng)站能夠根據(jù)不同設(shè)備屏幕的尺寸和分辨率自動(dòng)調(diào)整，以適應(yīng)不同用戶的瀏覽習(xí)慣和設(shè)備要求。 3. 快速加載：資源加載速度是移動(dòng)端網(wǎng)站易用性的關(guān)鍵因素之

Public @ 2023-06-30 16:00:24

Alt文字的重要性

Alt文字是在網(wǎng)頁上使用的一種描述圖像的文本。雖然對(duì)于人類用戶來說可能看不出差別，但對(duì)于搜索引擎、屏幕閱讀器和視力障礙用戶來說，它具有重要意義。首先，搜索引擎使用Alt文字了解圖像內(nèi)容并確定網(wǎng)頁的相關(guān)性。如果沒有Alt文字，搜索引擎將無法識(shí)別圖像，并且可能會(huì)將網(wǎng)頁排名降低。其次，屏幕閱讀器可以使用Alt文字來解釋圖像信息。對(duì)于視力障礙的用戶來說，Alt文字是他們理解圖像內(nèi)容的唯一途徑。如果

Public @ 2023-06-25 08:00:09

Alt標(biāo)簽和Title標(biāo)簽的區(qū)別在和使用講解

Alt標(biāo)簽和Title標(biāo)簽都是用來為網(wǎng)頁中的圖像元素提供文字描述的標(biāo)記。 Alt標(biāo)簽是一種HTML標(biāo)簽，用于為圖像元素提供文本描述。這個(gè)描述在以下情況下會(huì)很有用： 1. 當(dāng)圖像無法加載時(shí)，Alt標(biāo)簽可以在頁面上顯示一個(gè)代替文本，使用戶知道該圖像應(yīng)該出現(xiàn)的位置和意義。 2. Alt標(biāo)簽還可以幫助搜索引擎了解圖像的內(nèi)容和意義，從而對(duì)網(wǎng)頁的排名產(chǎn)生影響。 3. 對(duì)于視障人士和使用屏幕閱讀器的人來說，

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

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基本文件流程錯(cuò)誤 SQL 調(diào)試

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[ DB ] CONNECT:[ UseTime:0.031993s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_chatgpt` [ RunTime:0.022328s ]
[ SQL ] SELECT * FROM `ob_chatgpt` WHERE `id` = 148 LIMIT 1 [ RunTime:0.021531s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_chatgpt', '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:0.022582s ]
[ 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:0.021977s ]
[ 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:0.022564s ]
[ 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_chatgpt` WHERE `id` = 148 LIMIT 1 [ RunTime:0.021480s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_chatgpt', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_chatgpt` set views=views+1 where id=148 [ RunTime:0.021499s ]
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.022649s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海移動(dòng)搜索優(yōu)化' AND `status` <> -1 LIMIT 1 [ RunTime:0.028687s ]
[ 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` = '威海移動(dòng)搜索優(yōu)化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039347s ]
[ 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Alt文字' AND `status` <> -1 LIMIT 1 [ RunTime:0.028161s ]
[ 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Alt文字' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.039326s ]
[ 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', ) ]

0.567371s

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移動(dòng)端優(yōu)化圖片的方法

影響移動(dòng)站排名的因素

移動(dòng)端網(wǎng)站建設(shè)如何提高資源的易用性

Alt文字的重要性

Alt標(biāo)簽和Title標(biāo)簽的區(qū)別在和使用講解

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