jerseycityindependent.com Email Addresses and Contacts - KazanSEO

Based on the provided text, it appears to be a snippet of JavaScript code extracted from a website. It includes various functions and variables related to performance measurement, timing, and error handling. From this information alone, it is difficult to determine the specific purpose or topic of the website. The code may be related to web development or optimization since it mentions performance measurement and polyfills (a technique used to provide modern functionality in older browsers). To generate a more accurate summary of what the site is about, further analysis of other parts of the website's HTML content would be necessary.