Edge Routing Explained: What It Is and When to Use It
What edge routing is, how it works for blogs, and when to use it vs other integration methods. A guide for teams adding /blog to existing sites.
By Jack Gardner · Founder, EdgeBlog
Edge routing allows you to serve /blog from a completely different system while keeping your main website untouched. Requests to your domain hit a CDN edge location first, where routing rules redirect blog traffic to your content source without touching your marketing site.
If you've ever wondered how to add a blog to an existing Webflow site, Framer, or custom-built site without rebuilding anything, edge routing is likely the answer.
What Is Edge Routing?
Edge routing works by intercepting requests at the CDN (Content Delivery Network) level before they reach your origin server. When someone visits yourdomain.com/blog, the CDN checks routing rules and forwards that request to your blog's origin, while all other requests go to your main site as normal.
Think of it like a traffic controller at an intersection. The CDN sits between your visitors and your servers, directing each request to the right destination based on the URL path.
This differs from traditional hosting where everything serves from one origin. With edge routing, your marketing site can live on Webflow, your app on Vercel, and your blog on EdgeBlog, all appearing seamlessly under one domain.
Major CDN providers like Cloudflare Workers, Vercel Edge Middleware, and Netlify Edge Functions all support this pattern. EdgeBlog uses edge routing to install a fully autonomous blog on your existing domain in minutes, without requiring any changes to your current site.
How Edge Routing Works (High Level)
Here's the request flow when edge routing is configured:
- Visitor requests a page at
yourdomain.com/blog/article-title - Request hits CDN edge at the nearest global location (typically within 50ms of the user)
- CDN checks routing rules and sees
/blog/*should route to a different origin - CDN fetches content from your blog origin (e.g., EdgeBlog's servers)
- Response returns to visitor with the blog content, appearing as if it came from your main domain
The entire process happens at the edge, meaning your main website's servers never see blog traffic. Your Webflow or Framer site continues operating exactly as before.
This is why teams choose edge routing: zero impact on the existing site, instant setup, and all the SEO benefits of a subfolder blog.
Edge Routing vs Other Integration Approaches
When adding a blog to your domain, you have several options. Here's how they compare:
| Approach | SEO Impact | Setup Complexity | Site Independence | Best For |
|---|---|---|---|---|
| Edge Routing | Excellent (subfolder) | Low (minutes) | Full separation | Existing sites, fast deployment |
| CMS Push | Excellent (subfolder) | Medium (API setup) | Partial | Teams wanting CMS control |
| Subdomain | Weaker (separate domain) | Low | Full separation | Isolated content hubs |
| Full Rebuild | Excellent | High (weeks/months) | None | New sites, unified architecture |
Edge routing stands out for teams with existing marketing sites. You get the SEO benefits of a /blog subfolder (which preserves domain authority better than subdomains) without touching your current infrastructure.
CMS Push works well when you want content to flow into your existing CMS. EdgeBlog supports this mode for teams who prefer managing content through WordPress, Webflow CMS, or headless systems. If you're evaluating AI content and Google's guidelines, our article on what Google actually penalizes covers the quality standards that matter.
Subdomains (blog.yourdomain.com) are simpler to configure but SEO research consistently shows subfolders outperform subdomains for domain authority sharing.
Full rebuilds make sense for new sites or major redesigns, but most teams can't justify rebuilding their marketing site just to add a blog.
When to Use Edge Routing
Edge routing is the right choice when:
- You have an existing site you don't want to change. Your Webflow, Framer, Squarespace, or custom site stays exactly as it is.
- You need your blog on
/blogfor SEO. Subfolder URLs share domain authority with your main site, which helps all your content rank. - You want fast deployment. Edge routing can be configured in minutes, not weeks.
- Your team doesn't have developer bandwidth. No code changes required to your existing site.
Consider alternatives when:
- You're building a new site from scratch. You might integrate the blog directly rather than routing it.
- You already use a headless CMS. CMS Push mode might fit your workflow better.
- Your blog needs tight integration with your app. User-specific content or authentication may require deeper integration.
For most B2B SaaS teams, marketing agencies, and e-commerce brands, edge routing hits the sweet spot: SEO-optimized placement, zero disruption to existing sites, and minimal technical overhead.
Getting Started with EdgeBlog
EdgeBlog makes edge routing simple. When you install EdgeBlog, we provide the routing configuration for your CDN (Cloudflare, Vercel, Netlify, or others). Point /blog/* to EdgeBlog's servers, and you're done.
From there, EdgeBlog handles everything: content research, writing, SEO optimization, and publishing. Our quality loops ensure content meets standards before anything goes live.
No CMS to manage. No writers to hire. No technical debt on your marketing site.
Ready to add a blog to your domain? See how EdgeBlog works and get your first articles published within days.
