All posts by Uwe Kristen

About Uwe Kristen

After graduating in Scottish Literature at University of Glasgow in 1996 Uwe put down his empty glass and left the pub. He took the next airplane to New York City and started coding websites. He still codes. He still reads.

WebPageTest Speed Index

When testing for performance, WebPageTest is an invaluable tool. While the performance audit tab in Chrome’s Dev Tools tests a web page against Google’s performance algorithm and creates a score along with a list of opportunities to improve performance, WebPageTest offers an in-depth look at what exactly is happening when someone requests a web page from our server. 

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Alt text in images

The alt attribute is mandatory. It serves several important accessibility purposes. That’s why it is the first guideline of the Web Content Accessibility Guide (WCAG).

We all have seen the most well-known example of the purpose of alternative text: a broken image. In order to make the original intention of the image accessible even if it can’t load the image the browser displays the text as an alternative.

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Lazy loading in Chrome Canary

Google Chrome

In a good restaurant the food is usually served whenever you are ready for it. The waiter serves the entree after the appetizer. Same with the dessert, it will be served when the customer is ready for it to be consumed. Google Chrome soon will serve media in a browser similar to the way food is served in a restaurant. Via built-in lazy loading.
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