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scrapy-splash的介绍在前面的博客中，我们已经见识到了Scrapy的强大之处。但是，Scrapy也有其不足之处，即Scrapy没有JS engine, 因此它无法爬取JavaScript生成的动态网页，只能爬取静态网页，而在现代的网络世界中，大部分网页都会采用JavaScript来丰...

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背景想要做一个垂直搜索的平台，初始的数据是王道，之后的数据来源希望依赖于“众包”。刚开始想使用Nutch，因为能与solr，lucene兼容。但是Nutch是个通用的爬虫，可能不适合我的需求。我的需求是定向抓取，也不包括链接分析，站点发现等。而且Nutch的源只提供1.6后的版本，体验了之后发现网...

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Web应用防火墙（WAF）

适用于网站、H5、小程序等。全面应对被搜索引擎标识为危险；出现垃圾内容、恶意弹窗；域名劫持；Web应用漏洞；被挂马中毒；数据泄露；恶意注册灌水；被CC攻击导致Web应用崩溃或打不开；SQL注入、XSS跨站等攻击；爬虫等问题

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