SEO improvements

posts/2020-08-07-hello-world.md

@@ -1,6 +1,8 @@
 ---
 title: Hello, World!
 location: Moscow, Russia
+excerpt: How many years of programming experience is needed to be qualified to start a tech blog? Time for an introductory post!
+cover: /public/img/me.jpg
 ---
 
 How many years of programming experience is needed to be qualified to start a tech blog?
@@ -9,8 +11,6 @@ I see much blogging even with [zero](https://dev.to/), so I decided to give it a
 
 Time for an introductory post!
 
-<!-- excerpt -->
-
 ## I
 
 I is Vlad Faust.

posts/2020-08-16-system-programming-in-2k20.md

@@ -1,13 +1,14 @@
 ---
 title: System Programming in 2k20
 location: Moscow, Russia
+excerpt: System programming seems to be much harder than application programming. Why is that and how to overcome this?
+cover: /public/img/posts/2020-08-16-system-programming-in-2k20/rust-is-simple-3.jpg
+ogType: article
 ---
 
 System programming is still essential, but it seems to be much harder than application programming.
 Why is that and how to overcome this -- these are the questions I'll try to find answers for in this article.
 
-<!-- excerpt -->
-
 <script async src="https://platform.twitter.com/widgets.js" charset="utf-8"></script>
 
 <h2>Table of Contents</h2>

posts/2020-08-20-the-onyx-programming-language.md

@@ -2,14 +2,15 @@
 title: The Onyx Programming Language
 location: Moscow, Russia
 templateEngineOverride: md
+excerpt: System programming seems to be much harder than application programming. Why is that and how to overcome this?
+cover: /public/img/onyx-logo-white-background.png
+ogType: article
 ---
 
 In the [previous article](/posts/2020-08-16-system-programming-in-2k20) I successfully justified my desire to build yet another system programming language.
 Unlike _others_, I want to do it right from the very beginning.
 Meet Onyx!
 
-<!-- excerpt -->
-
 <h2>Table of Contents</h2>
 
 ${toc}

posts/2020-08-27-sponsoring-onyx.md

@@ -1,13 +1,14 @@
 ---
 title: Sponsoring Onyx
 location: Moscow, Russia
+excerpt: Standardizing and implementing a system programming language is hard, but you can help!
+cover: /public/img/posts/2020-08-27-sponsoring-onyx/think-about-it-meme.jpg
+ogType: article
 ---
 
 Standardizing and implementing a system programming language is hard, but you can help!
 Find out how you can sponsor the future, and many hours does it take to create a language mascot, in this post.
 
-<!-- excerpt -->
-
 <h2>TL; DR;</h2>
 
 I wAnT yOuR mOnEy! 🤑
@@ -124,7 +125,7 @@ Would you dare to calculate the number of sleepless hours I've spent on _thinkin
 So, the idea is simple: I want to be able to pay my bills while working on a thing both I enjoy working on and being useful for humanity.
 
 Later on, I'm planning to make [NXSF](https://nxsf.org) an official 501 \(c\) non-profit organization, so donations made to it would be tax-exemptive, and I will have an official salary (_finally!_).
-However, this would only happen when the language moves to the alpha stage (see the roadmap).
+However, this would only happen when the language moves to the alpha stage (see the roadmap at [nxsf.org](https://nxsf.org/)).
 
 Right now, Onyx is in the pre-alpha stage.
 Nothing is publicly stable, work-in-progress etcetera.