Miscellaneous
Positioning tooltips and popovers is difficult Popper is here to help Popper is the de facto standard to position tooltips and popovers in modern web applications

JavaScript libraries
Touch enabled jQuery plugin that lets you create beautiful responsive carousel slider

JavaScript libraries
jQuery The Write Less Do More JavaScript Library

JavaScript libraries
Filter sort magical layouts

UI frameworks
Powerful extensible and feature packed frontend toolkit Build and customize with Sass utilize prebuilt grid system and components and bring projects to life with powerful JavaScript plugins

JavaScript libraries
slick is a responsive carousel jQuery plugin that supports multiple breakpoints CSS3 transitions touch events swiping much more

JavaScript libraries
Swiper is the most modern free mobile touch slider with hardware accelerated transitions and amazing native behavior

Ecommerce
The World Wide Web Consortium W3C develops standards and guidelines to help everyone build a web based on the principles of accessibility internationalization privacy and security

Ecommerce
The deprecated HTTP Content Security Policy CSP n report uri directive instructs the user agent to report n attempts to violate the Content Security Policy These violation reports consist of JSON n documents sent via an HTTP POST request to the specified URI

Email
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JavaScript libraries
Light and open source responsive lightbox plugin with focus on performance for jQuery and Zepto js High DPI retina display support fast tap for touch devices

JavaScript libraries
noUiSlider is a lightweight ARIA accessible JavaScript range slider with multi touch and keyboard support Great for responsive designs and no dependencies

JavaScript libraries
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Bitly xe2 x80 x99s Connections Platform is more than a free URL shortener with robust link management software advanced QR Code features and a Link in bio solution