PNGExtra – Sample Web Page

Typical web page before and after PNG optimization

Typical websites, particularly shopping and photo sites, contain many individual PNG files on each page. After optimizing those PNG files with PNGExtra, web pages go from "empty" to "full" much faster.

NOTE: Although the following simulation is based on my Shoe Lacing Photos page, which uses JPG images and thus would be optimized with my JPGExtra app, the visual concept of a web page loading more quickly is still the same.

Before and After PNGExtra Optimization

Web Page – Before

Simulated Lacing Photos web page with slow PNG files

• Each image loads slowly.
• Page looks empty for longer.

Web Page – After

Simulated Lacing Photos web page with fast PNG files

• Each image loads quickly.
• Page appears full sooner.


Widespread Problem

I've found that almost ALL websites have PNG files containing hidden extras, ranging from a few bytes to tens of thousands of bytes per file. Large numbers of such files on a website can create a significant impact all the way down the chain from the web server through the internet to the visitor's device:

  • Increased disk space requirements;
  • Higher bandwidth costs and higher peak bandwidth;
  • Longer page load times, which affects web rankings;
  • Greater memory usage, which can affect visitors' computers.

Anyone serious about website optimization will understand that it pays to strip ALL excess from PNG files to make them as lean and fast as possible.

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