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Libscore is a web-based tool that scans the one-million most popular websites to collect statistics on JavaScript library usage. It collects data on jQuery plugins, JavaScript variables produced by non-jQuery plugins, and JavaScript libraries loaded via RequireJS. Libscore provides tools intended to help developers and technical analysts compare the relative popularity of web frameworks and third-party web tools.〔(【引用サイトリンク】title=Major Contributor To Open Source Technologies, Julian Shapiro, Pulls Back the Curtains on SAAS Usage )〕〔(【引用サイトリンク】title=Libscore Helps Developers Choose Javascript Libraries )〕 Libscore was developed via a co-sponsorship by Stripe (a payments processor) and DigitalOcean (a hosting infrastructure provider).〔〔(【引用サイトリンク】title=Stripe, San Francisco, and Velocity.js )〕 ==Behavior== Libscore scans the top million sites on the web to determine which third-party JavaScript libraries are installed on each site. Developers can use this data to determine which libraries are trending in popularity, which libraries are in use on popular sites, and how libraries' market penetrations compare. This data helps developers perform competitive analysis and make informed decisions when choosing libraries to work with.〔(【引用サイトリンク】title=Libscore Aims to Measure Popularity of JavaScript Libraries )〕 For each site Libscore scans, it runs heuristics to determine which window variables are produced by third-party JavaScript libraries. In addition, it catalogues the presence of external JavaScript scripts. Thereafter, via the Libscore homepage, users can search through the aggregated data in order to: * Find the prevalence of a specific JavaScript variable * Search for sites containing a specific external script * Find out which JavaScript libraries are being used on a specific site Libscore also provides monthly statistics on the top libraries, scripts, and sites, in addition to regularly publishing (charts ) showcasing library adoption percentages. There is also a Libscore API that provides developers programmatic access to Libscore's monthly data. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Libscore」の詳細全文を読む スポンサード リンク
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