<p>Part 1: Introduction. 5</p><p><br></p><p>Use of websites and mobile devices - age-specific characteristics and difficulties 6</p><p><br></p><p>Part 2: Age-appropriate website design. 11</p><p><br></p><p>Background. 12</p><p><br></p><p>Particularities of web use. 13</p><p><br></p><p>Nine areas for age-appropriate website design. 14</p><p><br></p><p>1. clarity and structure. 15</p><p>2. user guidance and navigation. 18</p><p>3. text and language. 22</p><p>4. graphics, animation and multimedia. 26</p><p>5. links. 30</p><p>6. search. 33</p><p>7. topicality, consistency and robustness. 36</p><p>8. contact information and assistance. 39</p><p>9. registration and forms. 42</p><p><br></p><p>Part 3: Age-appropriate mobile apps. 46</p><br><p></p><p>Background. 47</p><p><br></p><p>Special features of mobile applications. 49</p><p><br></p><p>Ten areas for age-appropriate mobile app design. 51</p><p><br></p><p>1. control. 52</p>2. clarity and structure. 57<p></p><p>3. user guidance and navigation. 62</p><p>4. text and language. 66</p><p>5. graphics, animation and multimedia. 71</p><p>6. links. 75</p><p>7. search, filter, sort. 78</p><p>8. durability and robustness. 81</p><p>9. assistance. 84</p><p>10. registration and forms. 88</p><p><br></p><p>Part 4: Conclusion and implementation. 93</p>