Download Lean Websites by Barbara Bermes PDF

By Barbara Bermes

A pragmatic e-book on web site functionality for internet builders, concentrating customarily on front-end functionality development. It covers lots of strong idea, yet is usually jam-packed with valuable, actual global tricks and assistance so you might use in your websites today.

Topics lined include:

User adventure, layout and performance
Measuring and tracking performance
Setting up a web page weight budget
Network and server improvements
Optimizing pictures and video
Optimizing scripts and 3rd celebration content
Lean DOM operations
The publication additionally comes with a convenient "cheat sheet" summarizing a few of the key advice contained in the booklet.

Show description

By Barbara Bermes

A pragmatic e-book on web site functionality for internet builders, concentrating customarily on front-end functionality development. It covers lots of strong idea, yet is usually jam-packed with valuable, actual global tricks and assistance so you might use in your websites today.

Topics lined include:

User adventure, layout and performance
Measuring and tracking performance
Setting up a web page weight budget
Network and server improvements
Optimizing pictures and video
Optimizing scripts and 3rd celebration content
Lean DOM operations
The publication additionally comes with a convenient "cheat sheet" summarizing a few of the key advice contained in the booklet.

Show description

Read Online or Download Lean Websites PDF

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Additional resources for Lean Websites

Sample text

Before a user hits the upload button, the image is uploaded in the background, purely on the assumption that this is the user's eventual intention. But this approach is not always recommended. If users don't have a good data plan on their mobile devices and want to save bandwidth, for example, this could really annoy them if they didn't actually want to upload the photo after all. Implementing Preemptive Performance Newer browsers have started to adopt the preemptive approach, supporting techniques such as the prefetch and prerender attributes that make the browser look ahead for resources that might be needed.

SSL15 was developed by Netscape Communications Corporation in 1994 to secure transactions over the World Wide Web. You've probably seen SSL in combination with TLS, sometimes even referred to as SSL/TLS. TLS stands for Transport Layer Security. SSL is the predecessor of TLS. The Internet Engineering Task Force standardized the SSL protocol, and named it TLS. 0. This event is about negotiation between two parties (the browser and the server). Each SSL negotiation over HTTPS requires a new TCP connection, including the process of a secure key exchange17, making it more computationally expensive.

The bigger the blue bar, the larger the actual asset, and hence the more time it takes to be sent over the wire. Minimizing the file size of the asset is key to optimizing the amount of time spent on Content Download. Chapters 6 and 7 will present ways to optimize content such as images, JavaScript and HTML files. Unpredictable Side Effects: Connection Speed, Bandwidth and Latency While we can influence the performance factors mentioned above, those we'll discus in this section are mostly beyond our control, but are still important to keep in mind when developing lean websites.

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