diff --git a/_posts/2013-02-05-http-kit-clean-small.md b/_posts/2013-02-05-http-kit-clean-small.md
index d67d4ff..b5a8c02 100644
--- a/_posts/2013-02-05-http-kit-clean-small.md
+++ b/_posts/2013-02-05-http-kit-clean-small.md
@@ -6,9 +6,9 @@ status: publish
 title: http-kit is clean and small, less is exponentially more
 ---
 
-* [HTTP server](http://http-kit.org/server.html): event-driven, ring adapter, websocket extension, asynchronous extension
-* [HTTP Client](http://http-kit.org/client.html): event-driven, asynchronous with promise, synchronous with @promise, keep-alive
-* [Timer facility](http://http-kit.org/timer.html)
+* [HTTP server](http://http-kit.github.io/server.html): event-driven, ring adapter, websocket extension, asynchronous extension
+* [HTTP Client](http://http-kit.github.io/client.html): event-driven, asynchronous with promise, synchronous with @promise, keep-alive
+* [Timer facility](http://http-kit.github.io/timer.html)
 
 
 All the above + high concurrency + high performance + nice API + written from scrach = ~3K lines of code.
@@ -35,3 +35,4 @@ Less is exponentially more
 *cloc runned time: Tue Feb  5 23:23:58 CST 2013, on master branch, from src directory*
 
 *Edit: 2013/3/29 with release 2.0.0, the codebase is slightly larger: 2970 lines of Java, 266 lines of Clojure*
+*Edit: 2021/6/14: fix URLs*
diff --git a/client.html b/client.html
index aa79c3a..f04f034 100644
--- a/client.html
+++ b/client.html
@@ -57,7 +57,7 @@ <h3  class="anchor" id="combined">Combined, concurrent requests, handle results
 <p>Send request concurrently, with half the waiting time</p>
 
 {% highlight clojure %}
-(let [resp1 (http/get "http://http-kit.org/")
+(let [resp1 (http/get "http://http-kit.github.io/")
       resp2 (http/get "http://clojure.org/")]
   (println "Response 1's status: " (:status @resp1)) ; wait as necessary
   (println "Response 2's status: " (:status @resp2)))
@@ -82,11 +82,11 @@ <h3 class="anchor" id="reuse">Persistent connection</h3>
   That can be configured by the  <code>keepalive</code> option:</p>
 {% highlight clojure %}
  ; keepalive for 30s
-@(http/get "http://http-kit.org" {:keepalive 30000})
+@(http/get "http://http-kit.github.io" {:keepalive 30000})
  ; will reuse the previous TCP connection
-@(http/get "http://http-kit.org" {:keepalive 30000})
+@(http/get "http://http-kit.github.io" {:keepalive 30000})
  ; disable keepalive for this request
-@(http/get "http://http-kit.org" {:keepalive -1})
+@(http/get "http://http-kit.github.io" {:keepalive -1})
 {% endhighlight %}
 
   <h3 class="anchor" id="state">Pass state to asynchronous callback</h3>
@@ -100,7 +100,7 @@ <h3 class="anchor" id="state">Pass state to asynchronous callback</h3>
 
 ;;; save state for callback, useful for async request
 (let [opts {:start-time (System/currentTimeMillis)}]
-  (http/get "http://http-kit.org" opts callback))
+  (http/get "http://http-kit.github.io" opts callback))
   {% endhighlight %}
 
   <h3 class="anchor" id="coercion">Output coercion</h3>
@@ -157,7 +157,7 @@ <h3 class="anchor" id="nested-params">Nested params</h3>
   <h3 class="anchor" id="options">Various options</h3>
 {% highlight clojure %}
 
-(http/request {:url "http://http-kit.org/"
+(http/request {:url "http://http-kit.github.io/"
                :method :get             ; :post :put :head or other
                :user-agent "User-Agent string"
                :oauth-token "your-token"
@@ -194,8 +194,8 @@ <h3 class="anchor" id="faking">Faking Responses in Tests</h3>
   </p>
 {% highlight clojure %}
 
-(with-fake-http ["http://http-kit.org/" "a fake response"]
-  (http/get {:url "http://http-kit.org/"})) ; promise wrapping the faked response
+(with-fake-http ["http://http-kit.github.io/" "a fake response"]
+  (http/get {:url "http://http-kit.github.io/"})) ; promise wrapping the faked response
 
 {% endhighlight %}
 
diff --git a/index.html b/index.html
index 72831eb..b529cc9 100644
--- a/index.html
+++ b/index.html
@@ -41,7 +41,7 @@ <h3>HTTP Server <a class="more" href="server.html">documentation</a></h3>
           <h3>HTTP Client <a class="more" href="client.html">documentation</a></h3>
           {% highlight clojure %}
 ;; start concurrent requests, get promise, half the waiting time
-(let [response1 (http-kit/get "http://http-kit.org/")
+(let [response1 (http-kit/get "http://http-kit.github.io/")
       response2 (http-kit/get "http://clojure.org/")]
   ;; Handle responses one-by-one, blocking as necessary
   ;; Other keys :headers :body :error :opts