Web data compression and search

  • What are two examples of programs that allow data compression?

    The format of the files changes while compressing and we cannot access or edit them directly.
    Besides, we can easily decompress the file and get the original file back.
    Examples are WinZip, WinRAR, WinAce, PeaZip, 7-Zip, etc..

  • What do you mean by data compression?

    What is Data Compression? Data compression is the process of encoding, restructuring or otherwise modifying data in order to reduce its size.
    Fundamentally, it involves re-encoding information using fewer bits than the original representation..

  • The basic coding requirements for compression techniques are storage, throughput and interaction.
    Multimedia elements require much more space than text element, for example one second of uncompressed CD quality stereo audio is 176400 bytes and a true color full screen image requires 921600 bytes.
  • The format of the files changes while compressing and we cannot access or edit them directly.
    Besides, we can easily decompress the file and get the original file back.
    Examples are WinZip, WinRAR, WinAce, PeaZip, 7-Zip, etc.
This Handbook is a comprehensive catalogue of our offerings and includes courses that can be taken to satisfy program requirements irrespective as to their 

How difficult is web compression?

I found web compression extremely difficult, and the professor also spent the first 2-3 weeks telling people to change the course if they were looking for a quick pass.
That being said it was the most worthwhile and interesting courses I've ever taken.

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How to analyze text compression on a site?

A different tool that can analyze compression on a site is Google’s Lighthouse tool.
It runs a series of audits, including:

  1. the “Enable text compression” audit

This audit attempts to compress resources to check if they reduced by at least 10% and 1,400 bytes.
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What is HTTP compression?

HTTP compression is a capability that can be built into web servers and web clients to improve transfer speed and bandwidth utilization.

How to check if a website is using HTTP compression?

To check which content of a website is using HTTP compression, the Firefox Developer Tools or the Chrome DevTools can be used

In the developer tools, open the Network tab and reload your site

A list of responses such as HTML, CSS, JavaScript, fonts and images should appear

Service offered by Google

Google Web Light, introduced in 2015, was a service offered by Google for faster browsing within its Android mobile browser Chrome.
It detected slow Internet connections, such as 2G, and switched to Google proxy servers with built-in data compression.
It could speed up loading times for text-based websites.
These pages also had the advantage of being less taxing on the hardware of entry-level devices with less processing power.

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