Intros inhibit website users to access the information they were looking for. In addition they convey the impression that the website owners place more importance on the design than on the offer of information or solutions to their customers. A website needs to instantly communicate what it is about and what a user can expect to find. The website must also take account of the little time available to the website user. It should be noted that users spend in average only 2 minutes on a website.
An intro page to allow language or regional choice is unnecessary, as there is a possibility to identify this automatically.
Javascript intros for re-directing and configuration purposes are also discouraged, even though users hardly notice them, as they have an impact on search engines and accessibility. Nowadays there are better alternatives to be used server-side.
Please note that you may not be able to see an intro page, depending on language settings, IP address and other user criteria. The intro page may, however, show for other users, and it is available for search engines, spiders and bots.
Source:
"Prioritizing Web Usability" by Jakob Nielsen/Hoa Loranger
Further information:
http://www.kundennutzen.ch/intros.php
http://nitzsche.info/de.pub-2-vorschaltseiten.php
The site most likely uses an intro page.
The website must contain a precise "title tag", a page title. This is based on the following:
- The title is displayed on the title bar of the browser window.
- The title is used when setting a bookmark (or favourite).
- The file title is shown in the browser in the list of pages previously searched.
- Many search engines offer the title as a hyperlink.
- Search engines use the content of the title for their search.
- Website users often only read the first words and should therefore have enough information about the website.
Therefore, default titles such as "untitled document" or "untitled page" or just "title" are not useful.
Further information:
http://www.aboutwebdesign.de/awd/content/1089111663.shtmlhttp://ranta.info/ThemaTitle
No page titles were found on the tested website.
Each page of a website should have its own page title, which reflects the content of the page itself. This carries many advantages, e.g. page titles are used for bookmarking and are read by search engines. Unique page titles therefore lead to search engine optimisation.
Further information:
http://www.socialpatterns.com/search-engine-optimization/writing-better-titles/
The page titles remain the same throughout the tested website.
The content of the website needs to be well structured with logical and meaningful titles (h1, h2, h3...). Meaningful words which are important for the understanding of the text, need to be placed at the beginning of the title, as web users mainly only perceive the first few words of a title. Titles should be no longer than 60 characters.
Titles can also have a positive impact on search machine rankings.
Source and further information:
"Prioritizing Web Usability" by Jakob Nielsen/Hoa Loranger.
The tested website does not comply with this requirement.
Marking previously visited hyperlinks helps users to identify which pages of the website have previously been read. In other words, according to Nielsen the navigation interface should answer three essential questions: "Where am I?", "Where have I been?" and "Where can I go?"
Source and further information:
"Prioritizing Web Usability" by Jakob Nielsen/Hoa Loranger and "Designing Web Usability" by Jakob Nielsen
The tested website does not support fully this type of marking.
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A potential warning has been identified.
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A potential warning has been identified.
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A potential warning has been identified.
Alternative text is displayed if an image cannot be downloaded or if the mouse pointer is moved over the image*. The alternative text is on one hand important for visually impaired visitors, using an audio tool to read the content of the website and the alternative text of images.
On the other hand, alternative text can also be recognised by search engines. Alternative text needs to be phrased in a meaningful manner, though it should not be a detailed description of the image.
Further information:
http://www.bjoernsworld.de/html/alt-text.html
http://webdesign.crissov.de/alt-Text#Start
* Internet Explorer shows alternative text as a tooltip if the mouse pointer is rested on the image. This is not prohibited but it can annoy page authors. It does also indicate that the alt-attribute refers to this tooltip, which is wrong. Should you want to add a descriptive tooltip to your images, make use of the attribute "title".
Quelle: http://de.selfhtml.org/html/grafiken/einbinden.htm#referenz
The tested website contains undefined alternative text. This needs to be specified as "empty", especially for images which are not part of the visible content.
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A potential warning has been identified.