A problem which webmasters have often noted with the Googlebot is that it takes up an enormous amount of bandwidth. This can cause websites to exceed their bandwidth limit and be taken down temporarily. This is especially troublesome for
mirror sites which host many gigabytes of data.
If, as a webmaster, you register your website on
Google Webmaster Tools you can somewhat hint the Googlebot about what pages are to index and what are the priorities of each. You can also configure the bot to crawl your website less frequently. All this is subject to creating a
Google Account