How to Fix SSL on Webflow
If you are trying to figure out how to fix SSL on Webflow, the problem usually comes down to DNS, domain connection, or certificate provisioning.
The good news is that most SSL issues on Webflow can be resolved without code, if you know where to look.
SSL problems often appear as browser warnings, broken padlock icons, or a site that loads on HTTP instead of HTTPS.
In many cases, the underlying issue is not the SSL certificate itself, but a domain mismatch or an incomplete setup step.
What SSL Does on a Webflow Site
SSL, or Secure Sockets Layer, encrypts traffic between a visitor’s browser and your site.
On modern websites, this is implemented through TLS certificates, but the term SSL is still widely used in SEO, hosting, and website management.
On Webflow, SSL is essential for secure browsing, user trust, and search engine performance.
Google Chrome, Safari, and Firefox all flag insecure pages, and Google has long treated HTTPS as a ranking signal.
That makes a broken SSL setup more than a technical inconvenience.
- Visitor trust: Browsers display security indicators for HTTPS sites.
- SEO: HTTPS supports safer indexing and avoids duplicate URL issues.
- Conversions: Forms and checkout flows perform better when the site is secure.
How Webflow SSL Works
Webflow automatically provisions SSL for custom domains using Let’s Encrypt.
Once your domain is properly connected and DNS records are correct, Webflow generates and renews the certificate for you.
This means you usually do not upload a certificate manually.
Instead, you verify domain ownership, point DNS to Webflow, and wait for provisioning to complete.
If anything in that chain is incorrect, SSL may fail or remain stuck in a pending state.
Common Reasons SSL Fails on Webflow
Before changing settings randomly, identify the likely cause.
Most issues fall into one of these categories:
- DNS is misconfigured: A record or CNAME does not point to the right Webflow destination.
- Domain is not fully verified: The custom domain has not been added correctly in Webflow.
- Propagation is still in progress: DNS changes can take time to spread globally.
- Mixed content exists: Some assets still load over HTTP, causing browser warnings.
- Redirect logic conflicts: Another provider or rule is interfering with HTTPS redirects.
- Certificate provisioning is delayed: Webflow or Let’s Encrypt has not finished issuing the certificate.
How to Fix SSL on Webflow Step by Step
1. Confirm the custom domain is added in Webflow
Open your Webflow project settings and review the Hosting or Publishing area.
Make sure the exact domain you want to use is listed, including the root domain and the www version if needed.
If your site should load at example.com, you may also need www.example.com connected and redirected correctly.
SSL can only be issued for domains that are properly attached to the project.
2. Check your DNS records carefully
DNS is one of the most common failure points.
Webflow typically requires a combination of A records for the root domain and a CNAME record for the www subdomain.
Your domain registrar or DNS provider must point those records exactly where Webflow instructs.
- Verify the A records match Webflow’s current IP addresses.
- Verify the www CNAME points to Webflow’s target hostname.
- Remove conflicting records for the same host.
- Make sure no proxy layer is rewriting the destination unexpectedly.
If you recently changed DNS providers, double-check that the authoritative nameservers have also been updated.
3. Wait for DNS propagation
Even if your DNS records are correct, SSL may not issue immediately.
Propagation can take from a few minutes to 48 hours depending on the registrar, TTL settings, and caching behavior.
During this period, Webflow may show your domain as pending or unavailable.
Avoid repeatedly changing settings unless you confirm a record is truly wrong, because each change can reset the clock on certificate provisioning.
4. Publish the site after DNS updates
Webflow often needs a fresh publish after domain or SSL-related changes.
After confirming DNS settings, republish the site to the affected custom domains.
When you publish, Webflow re-checks the domain status and continues the SSL issuance process.
If you only changed DNS at the registrar but never republished in Webflow, the certificate may not start provisioning.
5. Check for mixed content warnings
Mixed content occurs when an HTTPS page loads some assets through HTTP.
Common offenders include images, fonts, scripts, embedded widgets, and old links in rich text fields.
Browsers may still show the site as insecure even if the SSL certificate is valid.
To fix this, inspect the page source, update hard-coded HTTP URLs to HTTPS, and re-upload or relink any assets served from legacy locations.
- Update image URLs in Webflow CMS fields.
- Replace insecure script embeds.
- Review custom code in page settings and site settings.
- Audit third-party widgets, analytics snippets, and tag managers.
6. Inspect redirect rules
If the site loads on the wrong protocol or loops between HTTP and HTTPS, a redirect conflict may be involved.
Webflow usually handles HTTPS automatically for connected domains, so manual redirects should be used carefully.
Look for conflicting rules in:
- your domain registrar
- your DNS or proxy service, such as Cloudflare
- custom JavaScript redirects
- Webflow page-level redirect settings
Disable overlapping redirects and allow one system to manage canonical HTTPS behavior.
7. Verify whether Cloudflare or another proxy is involved
If your domain uses Cloudflare, Fastly, or a similar proxy, SSL behavior can change significantly.
A proxy can help, but it can also cause provisioning issues if records are set to proxy mode incorrectly.
Make sure the DNS setup is compatible with Webflow’s requirements.
In many cases, temporarily switching to DNS-only mode helps isolate whether the proxy is the source of the problem.
How to Tell If SSL Is Actually Working
After making changes, test the site from multiple angles.
A certificate may be present, but the browser can still report issues if the domain, redirect, or asset loading is incomplete.
- Open the live site in an incognito window.
- Check for the padlock icon in the address bar.
- Confirm the URL begins with https://.
- Test both the root domain and www version.
- Run a browser developer tools audit for mixed content.
You can also use SSL checker tools and DNS lookup tools to confirm the certificate chain and the current DNS resolution.
These external checks help distinguish Webflow issues from browser cache or local network caching.
When Webflow SSL Problems Are Not Webflow’s Fault
Sometimes the platform is functioning correctly, but the domain is mismanaged elsewhere.
This is common when the registrar still hosts old records, the nameservers were not updated, or a previous hosting provider is still active.
Also consider expiration or renewal issues on the domain itself.
While SSL certificates on Webflow are automated, the domain registration must still remain active and correctly delegated.
Quick Checklist for Fixing SSL on Webflow
- Confirm the custom domain is added in Webflow.
- Verify A records and CNAME records match Webflow’s instructions.
- Remove conflicting DNS entries.
- Wait for DNS propagation.
- Republish the site.
- Fix mixed content by replacing HTTP asset links.
- Review redirects and proxy settings.
- Test both domain versions on HTTPS.
When you follow these steps systematically, most SSL issues on Webflow become straightforward to isolate.
The key is to separate DNS, certificate provisioning, mixed content, and redirect problems instead of treating them as one issue.