diff options
| author | T3SQ8 <h9s@tutanota.com> | 2021-07-17 02:26:11 +0200 |
|---|---|---|
| committer | T3SQ8 <h9s@tutanota.com> | 2021-07-17 02:26:11 +0200 |
| commit | be6defe7af4963165674398a70ff17315b3eab79 (patch) | |
| tree | 9edd3ffdb28c9d3727ab40538b91466582425274 /imgcompress.html | |
| parent | a1c5a2e526c8f7879de69e6cdafed813d0864083 (diff) | |
Added image compression guide
Diffstat (limited to 'imgcompress.html')
| -rw-r--r-- | imgcompress.html | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/imgcompress.html b/imgcompress.html new file mode 100644 index 0000000..320392d --- /dev/null +++ b/imgcompress.html @@ -0,0 +1,74 @@ +<!DOCTYPE html> +<html lang=en> + <head> + <title>Image compression – LandChad.net</title> + <meta charset="utf-8"/> + <link rel="shortcut icon" href="favicon.ico" type="image/x-icon"/> + <link rel='stylesheet' type='text/css' href='style.css'> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <link rel='alternate' type='application/rss+xml' title='Land Chad RSS' href='/rss.xml'> +<style> +th, td { + padding: 0.3em; +} +</style> + </head> + <body> + <header><h1>Image compression</h1></header> + <nav></nav> + <main> + <p> + Image files will usually have the most impact on the + speed of your websites (aside from Ad/tracker scripts). + Learn to slim down your images using the ubiquitous + <em>ImageMagick</em> to make your websites faster on + slow internet connections. + </p> + <img src="pix/imgcompress-network.png" alt="Image network speed"> + <p> + For the examples, I decided to use + <a href="https://commons.wikimedia.org/wiki/File:Tabby_cat_with_blue_eyes-3336579.jpg">this</a> + public domain image. + </p> + <img src="pix/imgcompress-cat.png" style="width: 50%;" alt="Compressed image of a cat"> + <p> There are many ways to decrease image size using + ImageMagick, the simplest is to use the + <code>-quality</code> option, which will compress the + image without changing the resolution. This option + takes the value you want to compress by (between 1 and + 100, the lower the value, the lower the file size). For + example:</p> + <pre><code>convert in.jpg -quality 50 out.jpg</code></pre> + <p> + Compressing the example image above results in the + following file size changes: + </p> + <center> + <table style="border: solid;"> + <tr><th>Quality</th><th>Size</th></tr> + <tr><td>Original</td><td>2.1M</td></tr> + <tr><td>90</td><td>1.7M</td></tr> + <tr><td>80</td><td>844K</td></tr> + <tr><td>70</td><td>588K</td></tr> + <tr><td>60</td><td>448K</td></tr> + <tr><td>50</td><td>368K</td></tr> + <tr><td>40</td><td>308K</td></tr> + <tr><td>30</td><td>248K</td></tr> + <tr><td>20</td><td>184K</td></tr> + <tr><td>10</td><td>116K</td></tr> + </table> + </center> + <p> + Due to the images high resolution, it is usable in this + website even when highly compressed (30% quality, still + looks decent in my opinion). + </p> + <h2>Contribution</h2> + <ul> + <li><a href="https://na20a.neocities.org/">Musse</a></li> + <li>Monero: <code class="crypto">83is3y69Xv4fkFsTpZhw5c3bfxtimupfgTdpERHM1WtMNAwSqFjTCJm3VabyBKXKnL873dWPmqj4bRcgkm9oCktgQrzmhHd</code></li> + </ul> + </main> + <footer><a href="https://landchad.net">LandChad.net</a></br>Because Everyone should be an Internet LandChad.</br><a href="index.html"><li><img src="pix/chad.gif" alt="chad"></li></a><a href="rss.xml"><li><img src="pix/rss.svg" alt="RSS"></li></a><a href="pix/btc.png"><li><img src="pix/btc.svg" alt="BTC"></li></a><a href="pix/xmr.png"><li><img src="pix/xmr.svg" alt="XMR"></li></a><a href="https://github.com/lukesmithxyz/landchad"><li><img src="pix/git.svg" alt="Github"></li></a></footer> + </body> +</html> |