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創(chuàng)建Sitemap時(shí)有哪些注意事項(xiàng)？

第一，一個(gè)Sitemap文件包含的網(wǎng)址不得超過 5 萬個(gè)，且文件大小不得超過 10 MB。如果您的Sitemap超過了這些限值，請(qǐng)將其拆分為幾個(gè)小的Sitemap。這些限制條件有助于確保您的網(wǎng)絡(luò)服務(wù)器不會(huì)因提供大文件而超載。

第二，一個(gè)站點(diǎn)支持提交的sitemap文件個(gè)數(shù)必須小于5萬個(gè)，多于5萬個(gè)后會(huì)不再處理，并顯示“鏈接數(shù)超”的提示。

第三，如果驗(yàn)證了網(wǎng)站的主域，那么Sitemap文件中可包含該網(wǎng)站主域下的所有網(wǎng)址。

第四，搜索資源平臺(tái)sitemap文件提交已不再支持索引型文件形式，歷史提交的索引型文件已不再進(jìn)行抓取，建議站長及時(shí)刪除，重新進(jìn)行資源提交。

來源：百度搜索資源平臺(tái) 百度搜索學(xué)堂

Public @ 2009-04-13 16:09:43

禁止搜索引擎收錄的方法

1. 什么是robots.txt文件?搜索引擎使用spider程序自動(dòng)訪問互聯(lián)網(wǎng)上的網(wǎng)頁并獲取網(wǎng)頁信息。spider在訪問一個(gè)網(wǎng)站時(shí)，會(huì)首先會(huì)檢查該網(wǎng)站的根域下是否有一個(gè)叫做 robots.txt的純文本文件，這個(gè)文件用于指定spider在您網(wǎng)站上的抓取范圍。您可以在您的網(wǎng)站中創(chuàng)建一個(gè)robots.txt，在文件中聲明該網(wǎng)站中不想被搜索引擎收錄的部分或者指定搜索引擎只收錄特定的部分。請(qǐng)注意，僅當(dāng)

Public @ 2015-10-28 16:08:55

設(shè)置搜索robots協(xié)議的后果

設(shè)置搜索robots協(xié)議的后果針對(duì)短視頻類內(nèi)容，視頻搜索將不再索引、展現(xiàn)網(wǎng)站的視頻資源，歷史已索引部分會(huì)從搜索中屏蔽。若設(shè)置部分目錄不希望被收錄，該目錄下內(nèi)容將從搜索中屏蔽，其余內(nèi)容在搜索中則以正常結(jié)果展示。來源：百度搜索資源平臺(tái)

Public @ 2021-05-12 16:09:00

頭條搜索站長平臺(tái)-Sitemap提交

功能說明提交sitemap工具可以向頭條搜索提交網(wǎng)站的sitemap文件，幫助頭條spider更好的抓取您的網(wǎng)站。您可以在此工具下選擇已經(jīng)驗(yàn)證的站點(diǎn)，進(jìn)行驗(yàn)證站點(diǎn)的sitemap文件提交。sitemap提交后，頭條搜索會(huì)根據(jù)sitemap了解網(wǎng)站中數(shù)據(jù)情況。sitemap要求sitemapindex文件要求sitemapindex文件根節(jié)點(diǎn)必須是<sitemapindex>。sitem

Public @ 2010-06-17 16:09:48

什么是ETag？ETag作用有哪些

ETag是HTTP頭的一部分，它是一個(gè)字符串標(biāo)識(shí)一個(gè)web資源的特定版本。它由web服務(wù)器生成，用于標(biāo)識(shí)文件的實(shí)體標(biāo)簽。ETag可以用來確定同一資源是否已被修改，這在緩存和驗(yàn)證客戶端緩存文件是否過期時(shí)很有用。ETag的作用如下： 1.緩存控制：在HTTP響應(yīng)頭部中包含ETag可以幫助瀏覽器緩存和驗(yàn)證資源。如果資源沒有發(fā)生任何改變，瀏覽器可以直接從本地緩存中獲取資源，而不需要重新從服務(wù)器獲取。

Public @ 2023-06-10 23:50:20

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[ DB ] CONNECT:[ UseTime:0.030173s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.021416s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 4475 LIMIT 1 [ RunTime:0.020280s ]
[ 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:0.020629s ]
[ 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:0.021065s ]
[ 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:0.021362s ]
[ 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` = 4475 LIMIT 1 [ RunTime:0.020538s ]
[ 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=4475 [ RunTime:0.023591s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海網(wǎng)站結(jié)構(gòu)優(yōu)化' AND `status` <> -1 LIMIT 1 [ RunTime:0.027754s ]
[ 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` = '威海網(wǎng)站結(jié)構(gòu)優(yōu)化' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.051335s ]
[ 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Sitemap' AND `status` <> -1 LIMIT 1 [ RunTime:0.032853s ]
[ 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Sitemap' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.038807s ]
[ 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', ) ]

0.557086s