In Web development and design, everything is not a good thing to do by hand, we are often warned not to reinvent the wheel (don't reinvent the wheel), large and comprehensive development is not only a huge burden, but also bring more security risks, after all, you are not an expert in all technologies. There are a lot of good third party technologies that we can borrow or integrate, and we have to admit that they are much better than what we can design ourselves. This article introduces 15 technologies that can be integrated into our Web site.