April 26, 2004
Lossy compression is a good way to squeeze extra bytes out of your GIFs and PNGs. Lossy compression changes pixel patterns to match other pixel patterns to allow more efficient compression. You can apply lossy compression to the entire image, or selectively using
weighted optimization with alpha masks for less important areas of your images (see Figure 1). Although the term sounds catchy, it should not be confused with the lossy compression used in JPEG compression.
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April 25, 2004
Overall, broadband grew by 0.82 percentage points in March, with 45.97% of active Internet users enjoying a high-speed connection. 54.03% of US home users dial into the Internet with "narrowband" connections of 56Kbps or less. Canada's broadband lead over the US shrank by 9.2%. While US broadband penetration grew by 12.2% over the past year, Canadian broadband penetration grew by just 3% from 64% to 67% over the same time period.
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April 18, 2004
Redundancy and repetition can be useful in mission critical and learning applications. But for web pages, browsers are smart enough to glean what you want without redundant markup. By omitting redundant classes and default attributes often inserted by overzealous WYSIWYG XHTML editors, you can streamline your CSS and XHTML and put your code on a low-character diet.
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April 11, 2004
Many sites use one table to layout their entire page. This technique can force the browser to render the entire table before any content displays. The trick is to break up your table into layers, like a layer cake.
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April 4, 2004
Ah, the wonders of
web standards The oft-cited separation, the lifting of your spirit knowing that you're helping the semantic web evolve. The sheer joy of CSS. Adopting purely structural markup for your XHTML ensures a longer shelf life and faster pages. Written properly, structural markup can eliminate unnecessary classes by targeting content with CSS selectors.
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