diff --git a/CHANGELOG.adoc b/CHANGELOG.adoc
index d9edf2a2b..b94e00049 100644
--- a/CHANGELOG.adoc
+++ b/CHANGELOG.adoc
@@ -29,7 +29,7 @@
 * Added bind_cancellation_slot test #268
 * Supported PINGREQ overriding by ServerKeepAlive. #271
 * Refined tests. #269, #274, #275, #287, #288, #289, #290, #296, #297
-* Refined documents. #276, #292, #305, #306
+* Refined documents. #276, #292, #305, #306, #307
 * Refined tools (bench) #278
 * Added endpoint getter to client. #279
 
diff --git a/doc/CHANGELOG.html b/doc/CHANGELOG.html
index 82ffdd8d0..b1426f487 100644
--- a/doc/CHANGELOG.html
+++ b/doc/CHANGELOG.html
@@ -165,7 +165,7 @@ <h1>History</h1>
 <p>Refined tests. #269, #274, #275, #287, #288, #289, #290, #296, #297</p>
 </li>
 <li>
-<p>Refined documents. #276, #292, #305, #306</p>
+<p>Refined documents. #276, #292, #305, #306, #307</p>
 </li>
 <li>
 <p>Refined tools (bench) #278</p>
diff --git a/doc/comparison.html b/doc/comparison.html
index 3e52ef631..79ec784f9 100644
--- a/doc/comparison.html
+++ b/doc/comparison.html
@@ -356,13 +356,12 @@ <h2 id="_misc">Misc</h2>
 </tr>
 </tbody>
 </table>
-<div class="paragraph">
-<p>Detail information of Compilation Time and Footprint size:</p>
-</div>
+<div class="sect2">
+<h3 id="_detail_information_of_compilation_time_and_footprint_size">Detail information of Compilation Time and Footprint size</h3>
 <div class="ulist">
 <ul>
 <li>
-<p>Repository:</p>
+<p>Repository for measuring:</p>
 <div class="ulist">
 <ul>
 <li>
@@ -372,7 +371,7 @@ <h2 id="_misc">Misc</h2>
 </div>
 </li>
 <li>
-<p>Commit:</p>
+<p>Commit hash:</p>
 <div class="ulist">
 <ul>
 <li>
@@ -381,6 +380,36 @@ <h2 id="_misc">Misc</h2>
 </ul>
 </div>
 </li>
+<li>
+<p>Operating system</p>
+<div class="ulist">
+<ul>
+<li>
+<p>Linux 6.8.7-arch1-2 #1 SMP PREEMPT_DYNAMIC Fri, 19 Apr 2024 09:51:31 +0000 x86_64 GNU/Linux</p>
+</li>
+</ul>
+</div>
+</li>
+<li>
+<p>CPU</p>
+<div class="ulist">
+<ul>
+<li>
+<p>Intel&#174; Core&#8482; i7-6700 CPU @ 3.40GHz, 8 cores</p>
+</li>
+</ul>
+</div>
+</li>
+<li>
+<p>RAM</p>
+<div class="ulist">
+<ul>
+<li>
+<p>64GB</p>
+</li>
+</ul>
+</div>
+</li>
 </ul>
 </div>
 <div class="listingblock">
@@ -392,10 +421,10 @@ <h2 id="_misc">Misc</h2>
 cmake -DCMAKE_CXX_FLAGS="-std=c++20" ..</code></pre>
 </div>
 </div>
-<div class="sect2">
-<h3 id="_compilation_time_no_optimization">Compilation time (no optimization)</h3>
 <div class="sect3">
-<h4 id="_async_mqtt5_header_only">async-mqtt5 (header-only)</h4>
+<h4 id="_compilation_time_no_optimization">Compilation time (no optimization)</h4>
+<div class="sect4">
+<h5 id="_async_mqtt5_header_only">async-mqtt5 (header-only)</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>time make check_async-mqtt5
@@ -406,8 +435,8 @@ <h4 id="_async_mqtt5_header_only">async-mqtt5 (header-only)</h4>
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_header_only">async_mqtt (header-only)</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_header_only">async_mqtt (header-only)</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>time make check_async_mqtt
@@ -418,8 +447,8 @@ <h4 id="_async_mqtt_header_only">async_mqtt (header-only)</h4>
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_separate_compilation_mode_library_part">async_mqtt (separate-compilation-mode) library part</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_separate_compilation_mode_library_part">async_mqtt (separate-compilation-mode) library part</h5>
 <div class="paragraph">
 <p>Separate compilation library part (<strong>only once build required</strong>).</p>
 </div>
@@ -433,8 +462,8 @@ <h4 id="_async_mqtt_separate_compilation_mode_library_part">async_mqtt (separate
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_separate_compilation_mode_user_code_part">async_mqtt (separate-compilation-mode) user code part</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_separate_compilation_mode_user_code_part">async_mqtt (separate-compilation-mode) user code part</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>time make check_async_mqtt_separate
@@ -447,10 +476,10 @@ <h4 id="_async_mqtt_separate_compilation_mode_user_code_part">async_mqtt (separa
 </div>
 </div>
 </div>
-<div class="sect2">
-<h3 id="_compilation_time_size_optimization_os">Compilation time (size optimization (-Os))</h3>
 <div class="sect3">
-<h4 id="_async_mqtt5_header_only_2">async-mqtt5 (header-only)</h4>
+<h4 id="_compilation_time_size_optimization_os">Compilation time (size optimization (-Os))</h4>
+<div class="sect4">
+<h5 id="_async_mqtt5_header_only_2">async-mqtt5 (header-only)</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>time make check_async-mqtt5
@@ -461,8 +490,8 @@ <h4 id="_async_mqtt5_header_only_2">async-mqtt5 (header-only)</h4>
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_header_only_2">async_mqtt (header-only)</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_header_only_2">async_mqtt (header-only)</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>time make check_async_mqtt
@@ -473,8 +502,8 @@ <h4 id="_async_mqtt_header_only_2">async_mqtt (header-only)</h4>
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_separate_compilation_mode_library_part_2">async_mqtt (separate-compilation-mode) library part</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_separate_compilation_mode_library_part_2">async_mqtt (separate-compilation-mode) library part</h5>
 <div class="paragraph">
 <p>Separate compilation library part (<strong>only once build required</strong>).</p>
 </div>
@@ -488,8 +517,8 @@ <h4 id="_async_mqtt_separate_compilation_mode_library_part_2">async_mqtt (separa
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_separate_compilation_mode_user_code_part_2">async_mqtt (separate-compilation-mode) user code part</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_separate_compilation_mode_user_code_part_2">async_mqtt (separate-compilation-mode) user code part</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>time make check_async_mqtt_separate
@@ -502,10 +531,10 @@ <h4 id="_async_mqtt_separate_compilation_mode_user_code_part_2">async_mqtt (sepa
 </div>
 </div>
 </div>
-<div class="sect2">
-<h3 id="_memory_consumption_size_optimization_os">Memory consumption size optimization (-Os)</h3>
 <div class="sect3">
-<h4 id="_async_mqtt5_header_only_3">async-mqtt5 (header-only)</h4>
+<h4 id="_memory_consumption_size_optimization_os">Memory consumption size optimization (-Os)</h4>
+<div class="sect4">
+<h5 id="_async_mqtt5_header_only_3">async-mqtt5 (header-only)</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>/usr/bin/time -v ./check_async-mqtt5
@@ -535,8 +564,8 @@ <h4 id="_async_mqtt5_header_only_3">async-mqtt5 (header-only)</h4>
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_header_only_3">async_mqtt (header-only)</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_header_only_3">async_mqtt (header-only)</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>/usr/bin/time -v ./check_async_mqtt
@@ -566,8 +595,8 @@ <h4 id="_async_mqtt_header_only_3">async_mqtt (header-only)</h4>
 </div>
 </div>
 </div>
-<div class="sect3">
-<h4 id="_async_mqtt_separate_compilation_mode">async_mqtt (separate-compilation-mode)</h4>
+<div class="sect4">
+<h5 id="_async_mqtt_separate_compilation_mode">async_mqtt (separate-compilation-mode)</h5>
 <div class="listingblock">
 <div class="content">
 <pre class="highlight"><code>/usr/bin/time -v ./check_async_mqtt_separate
@@ -618,9 +647,10 @@ <h4 id="_async_mqtt_separate_compilation_mode">async_mqtt (separate-compilation-
 </div>
 </div>
 </div>
+</div>
 <div id="footer">
 <div id="footer-text">
-Last updated 2024-06-18 21:33:46 +0900
+Last updated 2024-06-19 10:06:10 +0900
 </div>
 </div>
 </body>
diff --git a/doc/config.html b/doc/config.html
index 9f8b9a317..1498f311b 100644
--- a/doc/config.html
+++ b/doc/config.html
@@ -167,7 +167,7 @@ <h2 id="_cmake">cmake</h2>
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">ASYNC_MQTT_USE_WS</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">Enables Websocket for tools (broker, bench, client_cli, &#8230;&#8203;) (compilation time becomes longer)</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enables Websocket for tools (broker, bench, client_cli, &#8230;&#8203;) (compilation time becomes longer). See <a href="#faster-compile">make faster compilation time</a>.</p></td>
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">ASYNC_MQTT_USE_LOG</p></td>
@@ -245,7 +245,7 @@ <h2 id="_c_preprocessor_macro">C++ preprocessor macro</h2>
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">ASYNC_MQTT_USE_WS</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">Enables Websockets (compilation time becomes longer)</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enables Websockets (compilation time becomes longer), See <a href="#faster-compile">make faster compilation time</a>.</p></td>
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">ASYNC_MQTT_USE_LOG</p></td>
@@ -255,8 +255,20 @@ <h2 id="_c_preprocessor_macro">C++ preprocessor macro</h2>
 <td class="tableblock halign-left valign-top"><p class="tableblock">ASYNC_MQTT_PRINT_PAYLOAD</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">Output payload when publish packet is output</p></td>
 </tr>
+<tr>
+<td class="tableblock halign-left valign-top"><p class="tableblock">ASYNC_MQTT_SEPARATE_COMPILATION</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">Enables <a href="separate.html">Separate Compilation Mode</a></p></td>
+</tr>
 </tbody>
 </table>
+</div>
+</div>
+<div class="sect1">
+<h2 id="faster-compile">Make faster compilation time</h2>
+<div class="sectionbody">
+<div class="paragraph">
+<p><a href="separate.html">Separate Compilation Mode</a> for async_mqtt and <a href="https://www.boost.org/libs/beast/doc/html/beast/config/configuration_preprocessor_defin.html">Boost.Beast</a> would solve the long compilation time.</p>
+</div>
 <div id="navigation">
 <table class="tableblock frame-none grid-none stretch">
 <colgroup>