"Description" is used to summarise the content of a HTML-page as short and incisive as possible. The content of this meta information is not shown to the user in the internet browser, but search engines do use them to a certain extent to evaluate the relevance of a site for the results page.
The description summarises the content in one sentence. The summaries are normally shown on the results page of search engines and contribute a great deal to the choice of web users.
Further information:
http://de.selfhtml.org/html/kopfdaten/meta.htm#beschreibung
No useful description was found, in particular none for the homepage.
"Even though machine-level addressing like the URL should never have been exposed in the user interface, it is there and we have found that users actually try to decode the URLs of pages to infer the structure of web sites. Users do this because of the horrifying lack of support for navigation and sense of location in current web browsers. Thus, a URL should contain human-readable directory and file names that reflect the nature of the information space."
Source:
http://www.useit.com/alertbox/9605a.html
Further information:
http://www.w3.org/QA/Tips/uri-choose
The tested website does not comply with this requirement.
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A potential warning has been identified.
This test result is available for registered users and Premium Members.
More than two thirds of the test results will be available to you once registration has been successfully completed.
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A potential warning has been identified.
Missing height and width size of images is a typical error in HTML, which impacts the performance of the website. A precise definition of height and width allows a quicker download of the website, as the browser recognises the space needed for the image and can leave it empty.
Source and further information: http://de.selfhtml.org/html/grafiken/einbinden.htm#breite_hoehe
At least one image with missing information about height and width was found.
Search engines do not include pages in their indexes which contain "?id=" or "&id=" in their URL or query string. Examples:
http://www.anyaddress.com/index.html?id=727
http://www.anyaddress.com/products.aspx?category=3&id=7
Google does actually index those pages since Autumn 2006, in contrast to their previous practice. Still, those URLs are not advisable since they do not specify how other objects are called, they mean nothing to users and they are not optimised for search engines. An additional tool is available for this test, which allows to highlight any warnings, tips and hints in the source text of the website. You can find this tool here:
http://www.qualidator.com/Web/en/ProductsServices/SiteAnalyzer2.htm
"If you decide to use dynamic pages (i.e., the URL contains a "?" character), be aware that not every search engine spider crawls dynamic pages as well as static pages. It helps to keep the parameters short and the number of them few."
Bad examples:
http://www.irgendeineadresse.com/index.html?id=727
http://www.irgendeineadresse.com/products.aspx?category=3&id=7
Source:
http://www.google.com/support/webmasters/bin/answer.py?answer=35769
The tested website contains "?id=" or "&id=" in the URL (in the part called 'querystring').
Names of links should be short, precise and meaningful. Links such as "more" or the die character sequence ">>" should be avoided, as the user should be specifically told what "more" can be expected.
Source and further information:
"Prioritizing Web Usability" by Jakob Nielsen/Hoa Loranger; there are also good examples on http://de.selfhtml.org/html/verweise/definieren.htm
The tested website uses such links.