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Site Info - Craigslist.org

Overview of web technologies used by Craigslist.org.

Website Background

craigslist: pittsburgh classifieds for jobs, apartments, personals, for sale, services, community, and events
craigslist provides local classifieds and forums for jobs, housing, for sale, personals, services, local community, and events

Description on Homepage

11 September 1997

Online since

Number 47 of all websites according to Alexa

Popularity rank

CountryVisitorsCountry Rank
United States92.8%9
Canada1.5%83
India0.9%488
CityVisitorsCity Rank
Los Angeles, CA, US8.7%9
New York, NY, US7%14
San Francisco, CA, US5.5%8

Main visitors locations

Website Quality Alerts

Found on page http://pittsburgh.craigslist.org
The character encoding is specified as "UTF-8" in the HTML content-type meta tag and as "ISO-8859-1" in the HTTP content-type header.

Contradictory character encoding specifications

Found on page http://craigslist.org/
At our the last visit we found the server time to be approximately 47 minutes slow.

Incorrect server time

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JavaScript is a lightweight, object-oriented, cross-platform scripting language, mainly used within web pages.

JavaScript

JQuery is a JavaScript library that simplifies HTML document traversing, event handling, animating and Ajax interaction. Originally developed by John Resig.

JQuery 1.4.2
(56% of sites use a newer version)

Transitional version of HTML.

HTML Transitional 4.01

UTF-8 (8-bit Unicode Transformation Format) is a variable-length character encoding for Unicode, which is backwards compatible with ASCII.

UTF-8

ISO-8859-1 (informally also called Latin-1) is an 8-bit character set for Western European languages.

ISO-8859-1
(used until recently)

External Cascading Style Sheets define style rules in a separate CSS file.

External CSS

Persistent cookies with an expiration time between 1 month and 1 year.

Cookies expiring in months

Non-HttpOnly cookies are used in the HTTP protocol and also in client side scripts, which may be a security threat.

Non-HttpOnly Cookies

Non-secure cookies may be used via an unencrypted connections, which may be a security threat.

Non-Secure Cookies

Gzip (GNU zip) is a file compression algorithm.

Gzip Compression

Inline Cascading Style Sheets define style rules directly within an (X)HTML element using the style attribute.

Inline CSS
(used until recently)

Session cookies are temporary cookies, which are deleted when the user closes the browser.

Session Cookies
(used until recently)

The Apache HTTP Server is a popular open source web server by the Apache Software Foundation.

Apache

Non-profit organization

.org

English

Technology Score

The technology score rates a site based on its technologies in a range from 0 to 100. It consists in a popularity score (how many sites use the same technologies), a traffic score (how much traffic have other sites using the same technologies) and a version score (how many sites use more recent technology versions). Quality alerts also affect the rating.

TotalPopularity TrafficVersion
Technology Score52814844
Client-side Programming Languages7610051
JavaScript Libraries63935244
Markup Languages475044
Web Servers628143
2 Quality Alerts-10

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