Update sidebar link

Author: csswizardry

_includes/sub-content.html

@@ -1,7 +1,7 @@
 <hr class=hide-desk>
 
 <p class=text-banner>
-  <a href=/performance-audits/#fix-it-fast class="btn  btn--full btn--positive" id=cta data-sctrack=cta-sidebar elementtiming=cta-sidebar>{% include cta.md %}</a>
+  <a href=/contact/ class="btn  btn--full btn--positive" id=cta data-sctrack=cta-sidebar elementtiming=cta-sidebar>{% include cta.md %}</a>
 </p>
 
 <script>