Professional Search Engine Optimization with PHP: A Developer's Guide to SEO
by Jaimie Sirovich, Cristian Darie
Glossary
This glossary contains a list of terms that may be useful to a web developer or search engine marketer reading this book. Glossary entries contained within other entries are presented in italics.
- 200
A web server status code that indicates the requested URL has been retrieved successfully. See Chapter 4 for more details.
- 301
A type of redirect sent by a web server that indicates the content of a URL has been relocated permanently. See Chapter 4 for more details.
- 302
A type of redirect sent by a web server that indicates the content of a URL has been relocated temporarily. See Chapter 4 for more details.
- 404
A web server status code returned when the requested URL does not exist on the server. See Chapter 4 for more details.
- 500
A web server status code returned when the server is encountering temporary technical problems. See Chapter 4 for more details.
- Accessibility
The ease of use exhibited by a web site with regard to users who have disabilities or impairments.
- Ad-hoc query
A search request that retrieves information without knowledge of the underlying storage structures of the database.
- Aggregator
See feed reader.
- AJAX
An acronym for Asynchronous JavaScript and XML. It is a technology that uses DOM, JavaScript, and the
XMLHttpRequestobject to create interactive web applications within a web page. With an AJAX application, users do not navigate through different pages of content — instead, the application executes (and displays updated content when necessary) inside a single web page. ...
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