diff --git a/README.md b/README.md
index 6be8003..573b8c7 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@
       alt="Github Pages" />
   </a>
 
-  <a href="http://badge.fury.io/rb/jekyll-theme-yat">
+  <a href="https://badge.fury.io/rb/jekyll-theme-yat">
     <img src="https://badge.fury.io/rb/jekyll-theme-yat.svg"
       alt="Gem Version" />
   </a>
@@ -30,7 +30,7 @@
   </a>
 
   <a href="https://liberapay.com/jeffreytse">
-    <img src="http://img.shields.io/liberapay/goal/jeffreytse.svg?logo=liberapay"
+    <img src="https://img.shields.io/liberapay/goal/jeffreytse.svg?logo=liberapay"
       alt="Donate (Liberapay)" />
   </a>
 
diff --git a/_config.yml b/_config.yml
index f01e1d5..9029b67 100644
--- a/_config.yml
+++ b/_config.yml
@@ -48,7 +48,7 @@ description: >- # this means to ignore newlines until "baseurl:"
   Google search results) and in your feed.xml site description.
 
 baseurl: "" # the subpath of your site, e.g. /blog
-url: "" # the base hostname & protocol for your site, e.g. http://example.com
+url: "" # the base hostname & protocol for your site, e.g. https://example.com
 favicon: "" # the favicon for your site
 
 # Yat date format
@@ -172,7 +172,7 @@ yat:
 #   opacity: 1.0            # Banner opacity (100% is 1.0)
 #   background: "rgba(0, 0, 0, 0.8)"  # Banner background (Could be a image)
 #   height: "640px"         # Banner default height
-#   min_height: null        # Banner minium height
+#   min_height: null        # Banner minimum height
 #   heading_style: null     # Custom heading style (e.g. "font-weight: bold; text-decoration: underline")
 #   subheading_style: null  # Custom subheading style (e.g. color: gold)
 
diff --git a/_data/translate_langs.yml b/_data/translate_langs.yml
index bb584f3..05dcecb 100644
--- a/_data/translate_langs.yml
+++ b/_data/translate_langs.yml
@@ -1,4 +1,4 @@
-# Translate languges
+# Translate languages
 # langs refer to https://cloud.google.com/translate/docs/languages
 
 - lang: en
diff --git a/_includes/views/footer.html b/_includes/views/footer.html
index 4c2707e..0d9dc2c 100644
--- a/_includes/views/footer.html
+++ b/_includes/views/footer.html
@@ -13,7 +13,7 @@
         -%}
       <div>{{ copyright }}</div>
       <div>Powered by <a title="Jekyll is a simple, blog-aware, static site
-      generator." href="http://jekyllrb.com/">Jekyll</a> &amp; <a title="Yat, yet
+      generator." href="https://jekyllrb.com/">Jekyll</a> &amp; <a title="Yat, yet
       another theme." href="https://github.com/jeffreytse/jekyll-theme-yat">Yat Theme</a>.</div>
       <div class="footer-col rss-subscribe">Subscribe <a href="{{ "/feed.xml" | relative_url }}">via RSS</a></div>
     </div>
diff --git a/_posts/2015-02-28-test-markdown.md b/_posts/2015-02-28-test-markdown.md
index ff63e2a..153b312 100644
--- a/_posts/2015-02-28-test-markdown.md
+++ b/_posts/2015-02-28-test-markdown.md
@@ -6,7 +6,7 @@ categories: markdown
 tags: [test]
 ---
 
-You can write regular [markdown](http://markdowntutorial.com/) here and Jekyll will automatically convert it to a nice webpage.  I strongly encourage you to [take 5 minutes to learn how to write in markdown](http://markdowntutorial.com/) - it'll teach you how to transform regular text into bold/italics/headings/tables/etc.
+You can write regular [markdown](https://markdowntutorial.com/) here and Jekyll will automatically convert it to a nice webpage.  I strongly encourage you to [take 5 minutes to learn how to write in markdown](http://markdowntutorial.com/) - it'll teach you how to transform regular text into bold/italics/headings/tables/etc.
 
 **Here is some bold text**
 
diff --git a/_posts/2018-12-05-an-exhibit-of-markdown.md b/_posts/2018-12-05-an-exhibit-of-markdown.md
index dc43714..1748ca2 100644
--- a/_posts/2018-12-05-an-exhibit-of-markdown.md
+++ b/_posts/2018-12-05-an-exhibit-of-markdown.md
@@ -67,8 +67,8 @@ I don't recommend using more than three or four levels of headings here, because
 URLs can be made in a handful of ways:
 
 * A named link to [MarkItDown][3]. The easiest way to do these is to select what you want to make a link and hit `Ctrl+L`.
-* Another named link to [MarkItDown](http://www.markitdown.net/)
-* Sometimes you just want a URL like <http://www.markitdown.net/>.
+* Another named link to [MarkItDown](https://www.markitdown.net/)
+* Sometimes you just want a URL like <https://www.markitdown.net/>.
 
 ## Horizontal rule
 
@@ -87,8 +87,8 @@ Markdown can also contain images. I'll need to add something here sometime.
 There's actually a lot more to Markdown than this. See the official [introduction][4] and [syntax][5] for more information. However, be aware that this is not using the official implementation, and this might work subtly differently in some of the little things.
 
 
-  [1]: http://daringfireball.net/projects/markdown/
-  [2]: http://www.fileformat.info/info/unicode/char/2163/index.htm
-  [3]: http://www.markitdown.net/
-  [4]: http://daringfireball.net/projects/markdown/basics
-  [5]: http://daringfireball.net/projects/markdown/syntax
+  [1]: https://daringfireball.net/projects/markdown/
+  [2]: https://www.fileformat.info/info/unicode/char/2163/index.htm
+  [3]: https://www.markitdown.net/
+  [4]: https://daringfireball.net/projects/markdown/basics
+  [5]: https://daringfireball.net/projects/markdown/syntax