Report Summary

  • 12


    Renders faster than
    25% of other websites

  • 100


    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100


    Google-friendlier than
    95% of websites

Responsible Conduct of Research and Related Policy Issues | Graduate School of Arts and Sciences

Page Load Speed

4.6 sec in total

First Response

162 ms

Resources Loaded

3.6 sec

Page Rendered

810 ms screenshot

About Website

Visit now to see the best up-to-date Research Ethics Cumc Columbia content for United States and also check out these interesting facts you probably never knew about

This course explores ethical and policy issues that arise during the conduct of basic, translational, epidemiological, and clinical biomedical research.


Key Findings

We analyzed page load time and found that the first response time was 162 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics performance score


Measured Metrics





FCP (First Contentful Paint)

Value9.4 s



LCP (Largest Contentful Paint)

Value9.6 s



SI (Speed Index)

Value24.4 s



TBT (Total Blocking Time)

Value19,370 ms



CLS (Cumulative Layout Shift)




TTI (Time to Interactive)

Value31.3 s



Network Requests Diagram


162 ms


15 ms


20 ms


84 ms


60 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original, 7% (3 requests) were made to and 7% (3 requests) were made to The less responsive or slowest element that took the longest time to load (928 ms) relates to the external source

Page Optimization Overview & Recommendations

Page size can be reduced by 274.6 kB (39%)

Content Size

702.8 kB

After Optimization

428.3 kB

In fact, the total size of main page is 702.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. CSS take 330.1 kB which makes up the majority of the site volume.

HTML Optimization


Potential reduce by 156.0 kB

  • Original 190.7 kB
  • After minification 189.0 kB
  • After compression 34.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 156.0 kB or 82% of the original size.

Image Optimization


Potential reduce by 1.6 kB

  • Original 55.6 kB
  • After minification 53.9 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Research Ethics Cumc Columbia images are well optimized though.

JavaScript Optimization


Potential reduce by 15.1 kB

  • Original 126.5 kB
  • After minification 126.5 kB
  • After compression 111.4 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 15.1 kB or 12% of the original size.

CSS Optimization


Potential reduce by 101.9 kB

  • Original 330.1 kB
  • After minification 329.9 kB
  • After compression 228.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. needs all CSS files to be minified and compressed as it can save up to 101.9 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (59%)

Requests Now


After Optimization


The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Research Ethics Cumc Columbia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review accessibility score


Accessibility Issues

Best Practices best practices score


Areas of Improvement

Trust and Safety




Does not use HTTPS


Includes front-end JavaScript libraries with known security vulnerabilities


Ensure CSP is effective against XSS attacks





Detected JavaScript libraries


Page has valid source maps

SEO Factors SEO score


Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](




Document uses legible font sizes

Language and Encoding

  • Language Detected


  • Language Claimed


  • Encoding


Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Research Ethics Cumc Columbia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: