- Google Sitemaps
- Google Sitemaps identifies crawlable URLs on a website.
- gTLD
- A gTLD is a generic top-level domain name. gTLDs are usually three letters long and describe organizations and political structures.
- guest book
- A guest book is an area on a website where site visitors leave their names and information or feedback related to the site content.
- header
- A header is the top portion of the blog that lists the blog title.
- hit counter
- A hit counter keeps a count of website visits.
- hosting
- Hosting is the storage space or capacity for a website on the Internet.
- host country
- The host country specifies the country where the host resides.
- host name
- The host name, located just to the left of the dot in a URL, identifies the machine name as part of the Internet address.
- host report
- A host report identifies the 50 ISPs or computers that most frequently visit the site.
- HTML
- HTML, or Hypertext Markup Language, is a simple markup language used in writing website documents.
- HTTP
- HTTP, or Hypertext Transfer Protocol, is a set of regulations used to transfer files on the Internet.
- hypertext
- Hypertext is text displayed on a computer or other electronic device with references (hyperlinks) to other text that the reader can immediately access, usually by a mouse click or keypress sequence.
- IANA
- The IANA, or Internet Assigned Numbers Authority, oversees registration for different IP parameters, including port numbers, protocol and enterprise numbers, options, codes, and types.
- ICANN
- ICANN, the Internet Corporation for Assigned Names and Numbers, is a non-profit corporation given responsibility from the US government to manage the Internet domain name system.
- IIS
- IIS, or Internet Information Services, is an informational Web server used for Windows operating systems. Some site-building programs are only compatible with specific IIS versions.
- IMAP
- IMAP, or Internet Message Access Protocol, retrieves email and views or manipulates it on the server.
- index page
- An index page is a default page which displays automatically when the user processes the top level of a website. The default page automatically displays if it is named correctly. Correct naming is dependent upon the type of hosting account and development tools available.
- Intranet
- An intranet is a large internal network usually established by companies to improve communication efficiency. The access to an intranet is restricted to authorized users.
- internationalized domain name
- An internationalized domain name contains characters with diacritical marks from non-English languages or characters from non-Latin scripts.
- IP address
- An IP address, or Internet Protocol address, is a set of numbers divided by periods that specifies a location for the TCP/IP Protocol.
- IP banning
- IP banning prevents abusive users from posting to websites.
- IRC
- IRC, or Internet Relay Chat, is a real-time service that enables people from all over the world to communicate through a chat system on the Internet.
- ISDN
- ISDN, or Internet Services Digital Network, is a service providing WAN combined transmission analog and digital services.
- ISP
- The ISP, or Internet Service Provider, provides users with Internet services.