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PLACEHOLD.IT
Welcome to PLACEHOLD.IT
A quick and simple image placeholder service.
HTML Entities Encoder / Decoder Encode and decode a piece of text to its HTML equivalent
HTML Entities Encoder / Decoder Encode and decode a piece of text to its HTML equivalent
Bootsnipp
Design elements, playground and code snippets for Bootstrap HTML/CSS/JS framework
https://www.unphp.net/
UnPHP is a free service for analyzing obfuscated and malicious PHP code.
Magereport
"MageReport.com is a great community resource which lets clients run tests on their website and gives an instant overview of which patches have not been applied or where there is uncertainty."
Magecomp
How to install security patch magento
jQuery
jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers.
Markup Validation Service
This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.
Bootstrap
Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web
Font-Awesome
Font Awesome gives you scalable vector icons that can instantly be customized — size, color, drop shadow, and anything that can be done with the power of CSS.