There are a few reasons why you may want to use a Content Delivery Network (CDN) for your WordPress blog.
First, a CDN can help improve the performance of your WordPress blog. This is because a CDN can distribute your blog content to various servers around the world, which can help to improve the speed of your website.
Second, using a CDN can help to increase the security of your WordPress blog. This is because a CDN can help to distribute your blog content across a number of different servers, which can help to protect your site from attacks.
Finally, using a CDN can also help to increase the audience reach of your WordPress blog. This is because a CDN can help to distribute your blog content across a number of different networks, which can help to widen the reach of your content.