I then accessed each website using a web crawler and a VPN to take screenshots of the local page.

然后我使用网络爬虫和 VPN 访问每个网站并截取本地页面的屏幕截图。

The first was a web crawler, software that followed all the links it could find on the web; anytime it followed a link to a page that had new links, it would add those to its list.

第一个是网络爬虫，一种跟踪它在网络上可以找到的所有链接的软件；每当它点击一个链接到一个有新链接的页面时，它就会将这些链接添加到它的列表中。