thinkphp mysql做的网站从哪些方面下手着手优化速度

现在用的阿里云的服务器
1G 内存 几乎没人访问

感觉加载速度好慢

<code><div class="sui-row-fluid">


    <div class="span1 column ui-sortable">

        <ul class="sui-nav nav-list">
            <li class="displayBookmark"><a href="__MODULE__/Bookmark/displayBookmark">书签管理</a></li>
            <li class="displayBookmarkcategory"><a href="__MODULE__/Bookmarkcategory/displayBookmarkcategory">书签分类</a></li>
        </ul>

    </div>

    <div class="span11 column ui-sortable">

        <a id="create" href="javascript:void(0);" class="sui-btn btn-large btn-primary">新增分类</a>

        <table class="sui-table table-bordered table-zebra table-primary" id="refresh">
            <thead>
                <tr>
                    <th>书签分类名称</th>
                    <th>书签分类描述</th>
                    <th>书签分类排序</th>
                    <th>操作</th>


                </tr>
            </thead>
            <tbody>
                <volist name="list" id="vo">
                    <tr>
                        <td>
                            <if condition="$vo.bookmarkcategory_pid eq 0">
                                |--{$vo.bookmarkcategory_name}
                                <else></else>
                                        |--{$vo.bookmarkcategory_name}
                            </if>
                        </td>
                        <td>{$vo.bookmarkcategory_desc}</td>
                        <td>{$vo.bookmarkcategory_sort}</td>
                        <td>
                            <a class="sui-btn btn-sm btn-warning" href="javascript:void(0)" id="{$vo.bookmarkcategory_id}_update">
                                改
                            </a>

                            <a class="sui-btn btn-sm btn-danger" href="__MODULE__/Bookmarkcategory/deleteBookmarkcategory/id/%7B%24vo.bookmarkcategory_id%7D/con/0" onclick="if (!confirm('确认要删除？')) {window.event.returnValue = false;}">
                                删
                            </a>
                        </td>
                    </tr>
                </volist>


            </tbody>
        </table>
    </div>
</div>

         
  

<script>
    $(document).ready(function(){


    $("#create").click(function(){
        layer.open({
            type: 2, {/*0（信息框，默认）1（页面层）2（iframe层）3（加载层）4（tips层）*/}
            title: '新增书签分类',
            shadeClose: true,{/*是否点击遮罩关闭*/}
            shade: [0.3],
            area: ['400px', '450px'],
            content: "__MODULE__/Bookmarkcategory/createBookmarkcategory",
            closeBtn:1, {/*0代表无关闭按钮  1很小的关闭按钮  2是圆角关闭按钮 */}
            shift:0,{/*动画 0无 1-6*/}
            maxmin: true,{/*显示最大小化按钮*/}
          //skin: 'layui-layer-rim', //加上边框
            cancel: function () {
            location.reload();
        }
          });
    });


        function re(){
        <volist name="list" id="vo">
                    $("#{$vo.bookmarkcategory_id}_update").click(function(){
                        layer.open({
                            type: 2, {/*0（信息框，默认）1（页面层）2（iframe层）3（加载层）4（tips层）*/}
                            title :'修改书签分类',
                            shadeClose: true,{/*是否点击遮罩关闭*/}
                            shade: [0.3],
                            area: ['400px', '450px'],
                            content: '__MODULE__/Bookmarkcategory/updateBookmarkcategory/id/{$vo.bookmarkcategory_id}',
                            closeBtn:1, {/*0代表无关闭按钮  1很小的关闭按钮  2是圆角关闭按钮 */}
                            shift:0,{/*动画 0无 1-6*/}
                            maxmin: true,{/*显示最大小化按钮*/}
                          //skin: 'layui-layer-rim', //加上边框
                            cancel: function () {
                                $("#refresh").load(location.href+" #refresh>*",function(){
                                    re();
                                });
                            }
                        });
                    });
        
        }
        re();

        {/*jquery end*/}
    });
</script>

</code>