Tools & Wizards About Us
pathology.columbia.edu screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

pathology.columbia.edu

Pathology

Page Load Speed

567 ms in total

First Response

39 ms

Resources Loaded

389 ms

Page Rendered

139 ms

pathology.columbia.edu screenshot

About Website

Visit pathology.columbia.edu now to see the best up-to-date Pathology Columbia content for United States and also check out these interesting facts you probably never knew about pathology.columbia.edu

The Department of Pathology and Cell Biology had led the way nationally in advancing comprehensive and cost-effective cancer-related and constitutional genetic and genomic clinical testing.

Visit pathology.columbia.edu

Key Findings

We analyzed Pathology.columbia.edu page load time and found that the first response time was 39 ms and then it took 528 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

pathology.columbia.edu performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.327

35/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

pathology.columbia.edu

39 ms

cumc_main.css

17 ms

pathology.css

22 ms

jquery.min.js

61 ms

ani_rotate.js

37 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Pathology.columbia.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (239 ms) belongs to the original domain Pathology.columbia.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.1 kB (13%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pathology.columbia.edu main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 17.6 kB

  • Original 21.7 kB
  • After minification 17.9 kB
  • After compression 4.1 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. This page needs HTML code to be minified as it can gain 3.8 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.6 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 114.4 kB

  • Original 1.6 MB
  • After minification 1.4 MB

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. Pathology Columbia images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 48.5 kB

  • Original 73.3 kB
  • After minification 72.8 kB
  • After compression 24.8 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 48.5 kB or 66% of the original size.

CSS Optimization

-85%

Potential reduce by 43.5 kB

  • Original 51.2 kB
  • After minification 34.7 kB
  • After compression 7.6 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. Pathology.columbia.edu needs all CSS files to be minified and compressed as it can save up to 43.5 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pathology Columbia. According to our analytics all requests are already optimized.

Network Requests Diagram

pathology.columbia.edu

pathology.columbia.edu

39 ms

cumc_main.css

cumc_main.css

17 ms

pathology.css

pathology.css

22 ms

jquery.min.js

jquery.min.js

61 ms

ani_rotate.js

ani_rotate.js

37 ms

body_bg.gif

body_bg.gif

12 ms

search_box.jpg

search_box.jpg

12 ms

btn_search00.png

btn_search00.png

12 ms

home_cumcLink.gif

home_cumcLink.gif

64 ms

header_pathology.gif

header_pathology.gif

14 ms

r-1.jpg

r-1.jpg

118 ms

r-2.jpg

r-2.jpg

65 ms

r-3.jpg

r-3.jpg

80 ms

r-4.jpg

r-4.jpg

103 ms

r-5.jpg

r-5.jpg

101 ms

r-6.jpg

r-6.jpg

157 ms

r-7.jpg

r-7.jpg

166 ms

r-8.jpg

r-8.jpg

129 ms

r-9.jpg

r-9.jpg

133 ms

r-10.jpg

r-10.jpg

131 ms

r-11.jpg

r-11.jpg

140 ms

r-12.jpg

r-12.jpg

239 ms

ADPLogo.jpg

ADPLogo.jpg

238 ms

Accessibility Review

pathology.columbia.edu accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

pathology.columbia.edu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

pathology.columbia.edu SEO score

98

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](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pathology.columbia.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Pathology.columbia.edu 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

pathology.columbia.edu

Open Graph description is not detected on the main page of Pathology Columbia. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: