what should i put in the footer of my website code example

Example 1: how to get my footer to the bottom of the page using css

#page-container {
  position: relative;
  min-height: 100vh;
}

#content-wrap {
  padding-bottom: 2.5rem;    /* Footer height */
}

#footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 2.5rem;            /* Footer height */
}

Example 2: membuat footer html

<div id="container">
    <div id="header">
        <h1>Layout Footer Menempel Ke Bawah</h1>
    </div>
    <div id="content">
        <!--Bisa diisi teks lorem ipsum dibagian ini-->
    </div>
    <div id="footer">
        Copyright © 2014
        Designed by ..............
    </div>
</div>