Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help http://xhr.spec.whatwg.org/ xhr.js:176
TypeError: a.toDataURL is not a function spiderbasic.js:373
Use of getAttributeNode() is deprecated. Use getAttribute() instead. dom-attr.js:36
Use of getPreventDefault() is deprecated. Use defaultPrevented instead. jquery.min.js:4923
These could all 'be there' for compatibility with older browsers of course.