diff --git a/_layouts/post.html b/_layouts/post.html
index ff05336..62b097e 100755
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -78,9 +78,9 @@ <h1 class="entry-title">{% if page.headline %}{{ page.headline }}{% else %}{{ pa
         </div>
         {% assign ref='#headline' %}
         {% if page.toc %}
-          {{ content | toc }}
+          {{ content | toc | extlinks }}
         {% else %}
-          {{ content }}
+          {{ content | extlinks }}
         {% endif %}
         {% assign ref='#bottomline' %}
         <span class="entry-tags">
diff --git a/about-author.md b/about-author.md
index b692df2..18c8e74 100755
--- a/about-author.md
+++ b/about-author.md
@@ -8,8 +8,8 @@ keywords:
 
 <img src="/images/my_face.jpg" alt="Andrei Kaleshka (Andrey Koleshko)" align="left" vspace="5" hspace="5" width="100"/>
 
-I'm Andrei Kaleshka, a Ruby/Rails developer working with the technology since 2009. I'm passionate about building clean, maintainable, and performant applications that deliver real results for my clients. Check out my [GitHub account](https://github.com/ka8725). I'm also the author of the book [Rake Task Management Essentials](https://www.packtpub.com/product/rake-task-management-essentials/9781783280773) published by Packt.
+I'm Andrei Kaleshka, a Ruby/Rails developer working with the technology since 2009. I'm passionate about building clean, maintainable, and performant applications that deliver real results for my clients. Check out my [GitHub account](https://github.com/ka8725){:ref="nofollow" target="_blank"}. I'm also the author of the book [Rake Task Management Essentials](https://www.packtpub.com/product/rake-task-management-essentials/9781783280773){:ref="nofollow" target="_blank"} published by Packt.
 
 With my extensive Ruby on Rails experience, I can confidently assist you in developing exceptional web applications that exceed your expectations. My dedication to delivering high-quality results ensures your complete satisfaction.
 
-Want to talk about how we can help you? [Schedule](https://calendly.com/andrei-kaleshka/30min) a meeting with me today!
+Want to talk about how we can help you? [Schedule](https://calendly.com/andrei-kaleshka/30min){:ref="nofollow" target="_blank"} a meeting with me today!