- Copertina flessibile: 226 pagine
- Editore: O'Reilly Media; 1 edizione (6 luglio 2012)
- Collana: Web Performance Daybook
- Lingua: Inglese
- ISBN-10: 1449332919
- ISBN-13: 978-1449332914
- Peso di spedizione: 340 g
- Posizione nella classifica Bestseller di Amazon: n. 364.262 in Libri in altre lingue (Visualizza i Top 100 nella categoria Libri in altre lingue)
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Web Performance Daybook Volume 2 (Inglese) Copertina flessibile – 6 lug 2012
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Descrizione del libro
Techniques and Tips for Optimizing Web Site Performance
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Fun to read the book. Chapters are small so that makes reading a bit easier and
you can cover a lot of material in just one sitting.
When I was a kid I would look up to Professional Baseball players (Mike Piazza, Daryl Strawberry, Cal Ripken jr, I can go on all day). Now at 27 I look up to these guys: Souders, Meenan, Peters, Bixby, etc. Publications like Web Performance Daybook are like MLB team managers/players/owners giving insight into how they win games, how to avoid mistakes that they made them lose and so on.
Then, once a year, the World Series (Velocity Conference) is a chance to actually interact with these all-stars after the game (their presentation). While all of these players are part of different teams (Google, Yahoo, Facebook, Twitter, Etsy, etc) they all have one goal: Make the web faster. That way the fans (end users) can enjoy the game no matter what team they are rooting for.
Essentially it is a collection of blog posts regarding, well, web site performance. You might wonder at the value of a printed book that contains blog posts that are freely available from the web, and initially I did too, but after reading the book, I certainly can now find a purpose and a place for it.
Aside from the fact that you can read it anywhere without a network connection, (including below 10,000 feet on an airplane), it saves you searching and weeding through plethora of posts about website performance.
The book is structured in chapters, with each chapter containing a prominent post dealing with something that has to do with website performance. Essentially it is similar to the web in that it doesn't have a beginning or end that progresses as the pages do. Given this format, I started by randomly choosing a chapter and then reading it.
You may not be able to apply every chapter to your own work, but you certainly can glean something from each chapter.
Delightfully, some chapters were heavy on code and technical information, while others presented more theory and general ideas for increasing your we site's performance. Thankfully, there are chapters devoted to mobile and desktop performance as well as server performance too.
For instance, Chapter 17, "Response Times Affect Business", dealt with the psychological and sociological aspects of page loading times. This chapter deals with user perceptions of response time when dealing with any interface and through data demonstrates how page-load times can often lead to them leaving your site.
Chapter 3, "Why Inlining Everything is NOT the Answer", was another favorite of mine. This chapter wasn't heavy on code, but used real examples of site's to explain the concepts of reducing the number of HTTP requests and how this can affect your page's performance.
Chapter 5, "Carrier Networks", examined the conundrum of despite every effort to optimize and improve your site's performance, mobile users might still be choked by their data carrier.
Chapter 9, "All About "YSlow" offered insight into yahoo's page-speed analysis tool in a general way.
A great code-heavy chapter was Chapter 11, "Pure CSS3 Images". This is a code-heavy chapter that goes into great detail and actually teaches you what the title says.
The only issue I encountered in the book were the charts and graphs in Chapter 2, "LocalStorage Read Performance". In the print version that I received, the shading for the charts made it impossible to correlate the legend provided and made the data difficult to comprehend. Other than the presentation of these charts, this chapter provided good information as to how storing information on the user's machine can affect the perceived performance of your site. It helped answer the question of "How expensive is this operation really?"