1. 2003 May

    CSS Zen Garden

    The Canadian web designer Dave Shea launched a community gallery of websites called CSS Zen Garden. The project offered a simple HTML template to be downloaded, the graphic design of which could be customized by any web designer, but only with the help of cascading styles and one’s own pictures. The goal of the project was to demonstrate the various possibilities of CSS in creating visual web design. The CSS Zen Garden gallery exhibited hundreds of examples of diverse web design, all based on a single template containing the same HTML code.

  2. 2003 May 14th

    Jeffrey Zeldman published Designing with Web Standards

    Web designer and founder of A List Apart magazine, Jeffrey Zeldman, published a book entitled Designing with Web Standards. In his book, Jeffrey Zeldman explores the benefits of implementing web standards. Using standards correctly allows web designers to create accessible and user-friendly websites that work well in a wide range of browsers.

  3. 2003 May 27th

    WordPress 0.7

    Web developers Matt Mullenweg and Mike Little created the first version of the open source content management system called WordPress 0.7. The publishing system is based on PHP and MySQL technology and is developed under the GNU GPL free software license. The predecessor of WordPress was the b2/cafelog blogging platform. WordPress is currently the most popular content management system, and more than 30% of websites are using it worldwide.

  4. 2003 June 23rd

    Safari 1.0

    Apple introduced its own web browser, Safari 1.0. The browser uses the WebKit renderer to display website content. Safari 1.0 was initially available for download as a standalone program, but, in October 2003, it became the default Mac OS X 10.3 operating system browser.

  5. 2003 August 1st

    MySpace

    Tom Anderson and Chris DeWolfe founded the MySpace social network. Its concept was inspired by the then popular social network called Friendster. MySpace popularity skyrocketed, and by February 2004, the network had acquired one million users. Between 2004 and 2010, MySpace was one of the largest social networks worldwide. In April 2008, however, the number of unique monthly users was surpassed by Facebook, and since then the popularity of MySpace has been on a continuous decline.

  6. 2003 September

    Delicious

    Joshua Schachter launched Delicious (Del.icio.us), a social bookmarking service for discovering, sharing and storing web bookmarks. One of its important innovations was the option to tag user bookmarks with any number of keywords. The user could also see other users’ bookmarks which contained the same tag. In December 2005, Delicious became part of Yahoo!.

  7. 2003 September 10th

    Macromedia Flash MX 2004 and ActionScript 2.0

    Macromedia released the Macromedia Flash MX 2004 multimedia program, which included a new version of the object-oriented programming language ActionScript 2.0.

  8. 2004 February 10th

    Flickr

    Ludicorp launched a photo sharing community website called Flickr. In March 2005, Flickr was bought by Yahoo!. Flickr is a typical representative of Web 2.0, which means that the content of the website is created and shared primarily by the users themselves. Flickr was one of the first community websites which allowed tagging of photographs. In 2015, the number of photos posted on Flickr exceeded 10 billion.

  9. 2004 March 5th

    CSS Sprites

    In “A List Apart” webzine, Dave Shea published an article entitled "CSS Sprite: Image Slicing's Kiss of Death." In the article, the author described a technique called CSS Sprites, the basis of which was to connect several smaller graphic elements into one larger image. The graphic elements are then placed on the website using the background-position feature. Thanks to CSS Sprites, a website loads faster because it only uploads one image, reducing the number of HTTP requests.

  10. 2004 November 9th

    Mozilla Firefox 1.0

    Mozilla Corporation released a multiplatform web browser, Firefox 1.0. Compared with browsers from the Internet Explorer family, Firefox 1.0 was characteristic for its higher security, better web standards support, and a number of plug-ins that could be additionally installed. As a result, Firefox gained major popularity among users and exceeded 1 billion downloads between 2004 and 2009. The name Firefox was allegedly derived from the English translation of the Chinese name for the red panda.

  11. 2005 February 14th

    YouTube

    Three former PayPal employees, Chad Hurley, Steve Chen and Jawed Karim, launched the YouTube website for publishing and sharing video files. The first video called "Me at the zoo" was uploaded to YouTube on 23 April, 2005 by one of the co-founders, Jawed Karim. It was a short video from the San Diego zoo. In November 2006, YouTube was purchased by Google for $ 1.65 billion.

  12. 2005 June 23rd

    Reddit

    Steve Huffman and Alexis Ohanian established the Reddit social network. Users on Reddit submit or share content that is then rated by the community. Content is divided into thematic categories called subreddits. The name Reddit is a play on the phrase "I read it".

  13. 2005 August 26th

    Million Dollar Homepage

    Alex Tew, a British student, launched the Million Dollar Homepage, which soon became an example of successful viral marketing and an Internet phenomenon. The page was a million pixels divided into a 1000x1000 px grid. Alex Tew offered to sell 1 pixel for a dollar, with the smallest advertising space an advertiser could buy for their link being 10x10 px. The Million Dollar Homepage gained unprecedented popularity in a very short time, and the last 1000 pixels were sold on January 1, 2006 at an eBay auction.

  14. 2005 November 14th

    Google Analytics

    In April 2005, Google took over the Urchin Software Corporation, which was developing a tool for the acquisition of statistical data about website users. In November 2005, Google launched an enhanced version of this tool under the name Google Analytics. Since 2006, the basic version of this service has been available for free. Website owners can track traffic, analyze user behavior, and record conversions. Google Analytics is currently the most widely used web analytics tool.

  15. 2005 December 3rd

    Adobe purchased Macromedia

    Adobe Systems bought its rival company, Macromedia, for $ 3.4 billion. Programs such as ColdFusion, Captivate, Director, Dreamweaver, Fireworks, Flash, Flex, FreeHand, and HomeSite were added to the Adobe software portfolio.

  16. 2006 August

    Smashing Magazine

    Sven Lennartz and Vitaly Friedman created a portal for web designers and developers called Smashing Magazine. The portal provides regular news from the world of web design, user experience, or web development. Smashing Magazine also publishes research publications and organizes regular conferences and workshops. Smashing Magazine is currently the most visited web site for web design and related fields.

  17. 2006 October 5th

    Sass 0.1.0

    Hampton Catlin and Natalie Weizenbaum designed a CSS preprocessor called Sass 0.1.0 (Syntactically awesome style sheets). Sass preprocessor is a scripting language interpreted or compiled into cascading styles. To the CSS syntax, Sass adds variables, mixins, selector inheritance, nesting rules, arithmetic operators, and other features.

  18. 2007 January 9th

    Steve Jobs introduced the first iPhone

    At Macworld Conference & Expo, Steve Jobs introduced the first iPhone smartphone model. The phone included the Safari web browser, allowing users to surf the web at ease.

  19. 2007 July 4th

    CSS-Tricks

    Chris Coyier, a web designer, established the CSS-Tricks portal. The portal brings web designers daily news and tutorials from the world of web design, particularly focusing on cascading styles.

  20. 2007 August

    Behance Network 1.0

    Scott Belsky founded the Behance 1.0 community platform, which allows designers, photographers, and artists from different fields to present their creative work in the form of online portfolios. In December 2012, Behance was purchased by Adobe Systems.

  21. 2007 September 5th

    CSS Grid

    W3C released the first proposal of the CSS Grid specification. This CSS module defines a set of properties for creating a layout fitted into a regular grid that consists of rows and columns. The CSS Grid makes it easy to create complex and full-page layouts without the need of using cascading style layout methods involving float and positioning. CSS Grid features are currently supported by most major browsers.

  22. 2008 September 2nd

    Google Chrome

    Google released the beta version of Google Chrome's freeware browser for Windows. In December 2008, the first stable version of Google Chrome 1.0 was released. Since January 2009, Chrome has been available for MacOS, and in February 2012, its first beta version for Android 4 was released. At the turn of April and May 2012, Chrome surpassed the popularity of Internet Explorer and became the most widely used web browser. In 2018, Google Chrome had more than 66% of the global market share.

  23. 2008 December 11th

    WCAG 2.0

    W3C issued official recommendations for a second set of Web Content Accessibility Guidelines (WCAG 2.0). WCAG 2.0 is divided into 4 basic principles, according to which the content and web control features must be perceptible, operable, understandable and robust enough to work with today's and future technologies. The basic principles of WCAG 2.0 consist of 12 general rules that are linked to the control criteria for which web content can be tested. There are three levels which refer to the extent to which the content satisfies the requirements: A (lowest), AA, AAA (highest).