Your page contains a link to a URL that uses `http://` instead of the secure `https://`. Loading resources over an insecure connection is a security risk and can trigger 'mixed content' warnings in browsers, which erodes user trust. All links should point to secure HTTPS URLs.
<a href="http://example.com/resource">Resource</a>
Change the link's URL to use `https://`.
<a href="https://example.com/resource">Resource</a>
Using HTTPS for all links ensures a secure connection, protecting your users and your site. It's a fundamental requirement for a modern, trustworthy website and a positive signal for SEO.
This issue can affect your site's search engine rankings and user experience. Addressing it promptly helps ensure optimal performance and visibility in search results.
Black SEO Analyzer automatically checks for this warning during site analysis, along with hundreds of other technical SEO issues.
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