sunpig + optimization   82

Stop Redesigning And Start Tuning Your Site Instead | Smashing UX Design
In my nearly two decades as an information architect, I’ve seen my clients flush away millions upon millions of dollars on worthless, pointless, “fix it once and for all” website redesigns. All types of organizations are guilty: large government agencies, Fortune 500s, not-for-profits and (especially) institutions of higher education.
louisrosenfeld  content  strategy  web  site  smashing  magazine  article  redesign  optimization  short  head  zipf  law  distribution  search  result 
16 days ago by sunpig
Why Mobile Web Matters | NPR Digital Services
For many public media stations, mobile means one thing: apps. We all know mobile is important, and many stations have launched successful mobile apps that engage your audience with audio, news, and more.

But here’s the truth: If your app is the only component of your mobile strategy, you’re missing the boat. Mobile-optimized web pages are rapidly becoming the most important way to grow your online audience.
npr  media  mobile  web  android  app  ios  apple  iphone  digital  engagement  news  content  optimization 
7 weeks ago by sunpig
Media Query & Asset Downloading Results | TimKadlec.com
If you’re going to hide a content image, you’re not going to be able to do it by setting display:none. I recommend using a Javascript or server-side based approach instead.

If you want to hide a background image, your best bet is to hide the parent element. If you can’t do that, then use a cascade override (like test five above) and set the background-image to none when you want it hidden.

For swapping background images, define them both inside of media queries.
timkadlec  mediaquery  screen  image  responsive  css  html  frontend  optimization 
7 weeks ago by sunpig
Cache compressed? or uncompressed? | High Performance Web Sites
If a response is compressed, does the browser save it compressed or uncompressed?
stevesouders  browser  cache  caching  memory  storage  http  response  compression  zip  wpo  performance  optimization 
9 weeks ago by sunpig
We're in an icon-sharpness limbo | simurai
With the rise of Retina displays people are looking for resolution independent alternatives to PNG icons. Some fell in love with font-icons, some are shouting “SVG”. But I’m sorry, if you’re looking for a silver bullet, I’m afraid it doesn’t exist.
icon  font  svg  png  graphic  image  sharpness  hinting  pixel  blur  webdev  frontend  optimization 
9 weeks ago by sunpig
Stop paying your jQuery tax
RT : "Stop paying your jQuery tax" - discussion of jQuery non-blocking patterns -
jquery  stackoverflow  js  javascript  optimization  perfgormance  ready  documentready  onload  footer  from twitter
february 2012 by sunpig
the Performance Golden Rule | High Performance Web Sites
Steve Souders (@souders) revisits the web Performance Golden Rule: (TL,DR: FRONTEND)
souders  performance  wpo  optimization  frontend  dev  js  javascript  css  image  speed 
february 2012 by sunpig
Clever PNG Optimization Techniques - Smashing Magazine
RT @emmajanedotnet: HELP! My PNG is too big! Tips on making pretty PNGs for less.
graphics  optimization  photoshop  png  webdesign  wpo  shrink  gif  file  size 
june 2011 by sunpig
Byte-saving Techniques - GitHub
RT @brianleroux: Gaaa, <3 this!!! ...crazy awesome monster @jedschmidt js ...
github  js  optimization  shrink  space  save  byte  tips  technique 
may 2011 by sunpig
Optimize for mobile
In our own tests conducted in early 2011, we found that on modern mobile devices, each additional kilobyte of JavaScript adds about 1ms of parse time to the overall page load time. So 100kB of JavaScript included in the initial page load would add 100ms of load time for your users. Because JavaScript must be parsed on every visit to a page, this added load time will be part of every page load, whether loaded from the network, via the browser cache, or in HTML5 offline mode.
speed  optimization  performance  javascript  1kb  1ms  google  pagespeed  defer  js  load  parse  execute  busy 
april 2011 by sunpig
High Performance Web Sites :: (down)Loading JavaScript as strings
"The technique they came up with was to wrap the JavaScript in comments. This allows the code to be downloaded, but avoids the CPU lockup for parsing and execution. Later, when the user clicks on a feature that needs code, a cool dynamic technique is used to extract the code from the comments and eval it."
stevesouders  performance  js  javascript  optimization  webdev  download  parse  parsing  execution  eval  string  load  sproutcore  charlesjolley  deferred  velocity 
december 2009 by sunpig
High Performance Web Sites :: HTTP Archive Specification: Firebug and HttpWatch
"HttpWatch has long supported exporting HTTP information. That’s one of the many reasons why it’s the packet sniffer I use almost exclusively. Earlier this year, as part of the Firebug Working Group, I heard that Firebug wanted to add an export capability for Net Panel. I suggested that, rather than create yet another proprietary format, Firebug team up with HttpWatch to develop a common format, and drive that forward as a proposal for an industry standard. I introduced Simon Perkins (HttpWatch) and Jan “Honza” Odvarko (main Net Panel developer), then stepped back as they worked together to produce today’s announcement."
har  archive  performance  web  webdev  testing  record  tools  sniffer  firebug  httpwatch  http  traffic  optimization  stevesouders  lh 
october 2009 by sunpig
Gzip your @font-face files / phpied.com
"Always send your font files gzipped, average 40% to be won, but could be 70% you never know."
stoyanstefanov  font  gzip  css  performance  optimization  font-face  web  speed  size  compression  typography  lh 
october 2009 by sunpig
High Performance Web Sites :: Performance Impact of CSS Selectors
Based on these tests I have the following hypothesis: For most web sites, the possible performance gains from optimizing CSS selectors will be small, and are not worth the costs. There are some types of CSS rules and interactions with JavaScript that can make a page noticeably slower. This is where the focus should be. So I’m starting to collect real world examples of small CSS style-related issues (offsetWidth, :hover) that put the hurt on performance. If you have some, send them my way. I’m speaking at SXSW this weekend. If you’re there, and want to discuss CSS selectors, please find me. It’s important that we’re all focusing on the performance improvements that our users will really notice.
performance  optimization  web  html  dom  css  selector  stevesouders  rule 
march 2009 by sunpig
Speed up your JavaScript, Part 2 | NCZOnline
Nicholas Zakas talks about loop and long-running process optimization in JavaScript
js  javascript  performance  optimization  speed  programming  processing  loop  nicholaszakas  geeknotes  recursion  memoization 
january 2009 by sunpig
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