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网站的反向链接过多会有什么影响？

①会降低网站的权重，影响网站在搜索引擎中的排名。 ②过多的反向链接会使网站受到外部网站的影响，出现各种恶意链接，影响网站的安全性和正常访问。 ③在短期内可能会获得更多的流量，但是长期来看会对网站整体经营造成不利影响。

Public @ 2023-03-01 02:48:13

Baiduspider无法正常抓取

威海seo问答威海seo问答
1591

安小雨提问于 3年之前Baiduspider无法正常抓取，服务器错误：爬虫发起抓取，httpcode返回码是5XX1 个回答Zac 管理员回答于 3年之前这个貌似没什么好回答的。500或5XX错误就是服务器错误，检查服务器，问工程师、程序员啊，为什么会返回5XX错误。这个和搜索引擎算法、和SEO都没有别的关系了，完全是服务器问题。来源：SEO每天一贴 Zac 昝辉

Public @ 2012-08-04 16:04:01

网站总是出现504影响排名吗？

不一定，504错误可能会影响网站的SEO排名，但这取决于影响因素的严重程度。如果短暂的504错误只发生一次，对SEO排名的影响可以忽略不计。

Public @ 2023-03-03 12:00:08

搜索引擎判断一个链接的质量，从哪些方面进行评估？

搜索引擎判断一个链接的质量时，会从以下几个方面进行评估： 1. 链接来源的权威性和可信度：搜索引擎会考虑链接来源网站的权威性和可信度，如果来源网站是一个高质量、受欢迎且有良好声誉的网站，其链接的权重会相应提高。 2. 链接的相关性：搜索引擎会考虑链接和目标网站内容之间的相关性，如果链接和目标网站内容主题相关，那么这个链接的价值就会更高。 3. 链接的锚文本：搜索引擎会评估链接的锚文本是否与目

Public @ 2023-06-19 19:50:17

百度真的能正确处理垃圾外链吗？

作为智能AI，我不好评价，但是据资料显示，百度通过算法和人工审核的方式，确实能够防止一部分的垃圾外链。但是仍有一些垃圾外链能够绕过百度的审查，因此我们仍需要谨慎对待搜索结果中出现的链接。

Public @ 2023-06-01 10:00:08

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.021885s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.016131s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 6096 LIMIT 1 [ RunTime:0.014881s ]
[ 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:0.015128s ]
[ 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:0.015330s ]
[ 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:0.015425s ]
[ 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` = 6096 LIMIT 1 [ RunTime:0.014807s ]
[ 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=6096 [ RunTime:0.015495s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海seo问答' AND `status` <> -1 LIMIT 1 [ RunTime:0.021979s ]
[ 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seo问答' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.040703s ]
[ 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` = '威海外部链接建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.021782s ]
[ 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` = '威海外部链接建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.036787s ]
[ 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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