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.mobi
From Wikipedia, the free encyclopedia Jump to: navigation, search | |
| Introduced | 2005 |
|---|---|
| TLD type | Sponsored top-level domain |
| Status | Approved |
| Registry | Afilias |
| Sponsor | Nokia / Vodafone / Microsoft / Afilias |
| Intended use | Sites intended for mobile device use |
| Actual use | Began to be available for use in 2006 |
| Registration restrictions | Adherence to mobile-compatibility style guidelines can be enforced by challenge process |
| Structure | Direct second-level registrations are allowed; selected generic second level domains, such as weather and music, are reserved for distribution in an equitable manner which may include auction |
| Documents | ICANN New sTLD RFP Application; ICANN sponsorship agreement |
| Dispute policies | UDRP |
| Website | MTLD |
The domain name mobi is a top-level domain (TLD) in the Domain Name System of the Internet. Its name is derived from the adjective mobile, indicating its use by mobile devices for accessing Internet resources via the Mobile Web.
The domain was approved by ICANN on 11 July 2005, and is managed by the mTLD global registry. It was originally financially backed and sponsored by Google, Microsoft, Nokia, Samsung, Ericsson, Vodafone, T-Mobile, Telefónica Móviles, Telecom Italia Mobile, Orascom Telecom, GSM Association , Hutchison Whampoa, Syniverse Technologies, and Visa, with an executive from each company serving on mTLD's board of directors.
In February 2010, Afilias acquired mTLD Top-Level Domain Ltd. (known publicly as "dotMobi").
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Operation
DotMobi domain names have been available for registration by the public since 26 September 2006.
dotMobi engaged with the W3C Mobile Web Initiative (MWI) to help formulate the MWI Best Practices for mobile content. The practices outlined a number of ways to achieve good user experiences on mobile Web-enabled devices, and recognized several methods of implementing these practices.
mTLD has released a free testing tool called Ready.mobi (see mobiForge) to analyze the mobile readiness of websites. It does a free page analysis and gives a .mobi Ready score from 1 to 5. This report tests the mobile-readiness of the site using dotMobi's recommended best practices.
dotMobi does not itself mandate any particular technology, but does require that .mobi sites produce user experiences consistent with their guidelines and specifically optimized for mobile phones.
The domain has been the target of criticism due to allegedly breaking the principles of device independence. Providing content tailored to particular devices can be done by other means than a specific TLD, such as using hostnames within an existing domain, HTTP content negotiation, cascading style sheets, or other forms of adaptation.
Similar services
There are technical solutions that provide similar benefits as mobi: compressing/downsampling proxy servers and microbrowsers, like Opera Mobile, which can tailor any website to small display (using Small Screen Rendering technique). However, these browsers must still download an entire page (with graphics and other related files) which, if not optimized for mobile phones, can be time-consuming and expensive to download. To improve the latter issue, the two adaptation techniques can be used together. This is the idea behind proxy-based microbrowsers like Opera Mini that download the optimized and compressed version of web pages through dedicated proxy servers. However, web pages viewed on a mobile via a proxy-based microbrowser are rarely specifically designed for a mobile phone, so it is left up to the proxy server and browser to decide what to compress, what to display, and how to display it, which, unlike the .mobi version of the site, may not necessarily be how the web page owner intends for the mobile audience.
There are also specialized content adaptation solutions, that typically operate on a server, where they employ specialized adaptation techniques to provide optimized representations of Web sites to mobile devices regardless of what browser they use. However, .mobi replaces the intermediary step with the specific adaptation of content for viewing on a mobile phone.
The W3C is also developing new authoring languages, such as DIAL (the Device Independent Authoring Language), which aid authors in creating Web sites that can be used on the huge variety of mobile devices available today. Some adaptation
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