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ctsa.mayo.edu screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

ctsa.mayo.edu

Center for Clinical and Translational Science (CCaTS) - Center for Clinical and Translational Science - Center for Clinical and Translational Science ...

Page Load Speed

2.1 sec in total

First Response

502 ms

Resources Loaded

1.4 sec

Page Rendered

203 ms

ctsa.mayo.edu screenshot

About Website

Click here to check amazing Ctsa Mayo content for United States. Otherwise, check out these important facts you probably never knew about ctsa.mayo.edu

Mayo Clinic's Center for Clinical and Translational Science fosters translational science from basic discovery to clinical and community-engaged research.

Visit ctsa.mayo.edu

Key Findings

We analyzed Ctsa.mayo.edu page load time and found that the first response time was 502 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

ctsa.mayo.edu performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value8,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.366

29/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

502 ms

jquery.js

193 ms

Bootstrap.js

25 ms

default.css

65 ms

WebResource.axd

74 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ctsa.mayo.edu, 16% (9 requests) were made to Mayoclinic.org and 9% (5 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (502 ms) relates to the external source Mayo.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.1 kB (54%)

Content Size

989.1 kB

After Optimization

456.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ctsa.mayo.edu main page is 989.1 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. 30% of websites need less resources to load. Javascripts take 664.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 31.7 kB

  • Original 42.7 kB
  • After minification 38.5 kB
  • After compression 11.0 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 31.7 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 7.1 kB

  • Original 238.2 kB
  • After minification 231.0 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. Ctsa Mayo images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 457.7 kB

  • Original 664.8 kB
  • After minification 648.2 kB
  • After compression 207.1 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 457.7 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 36.6 kB

  • Original 43.4 kB
  • After minification 31.7 kB
  • After compression 6.8 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. Ctsa.mayo.edu needs all CSS files to be minified and compressed as it can save up to 36.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (64%)

Requests Now

55

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ctsa Mayo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

502 ms

jquery.js

jquery.js

193 ms

Bootstrap.js

Bootstrap.js

25 ms

default.css

default.css

65 ms

WebResource.axd

WebResource.axd

74 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

240 ms

ScriptResource.axd

ScriptResource.axd

155 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

160 ms

ScriptResource.axd

ScriptResource.axd

145 ms

ScriptResource.axd

ScriptResource.axd

105 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

149 ms

jquery.cycle.all.min.js

jquery.cycle.all.min.js

149 ms

common.min.js

common.min.js

149 ms

ucfeeder.php

ucfeeder.php

462 ms

ntpagetag.js

ntpagetag.js

180 ms

analytics.js

analytics.js

7 ms

main.css

main.css

42 ms

serverComponent.php

serverComponent.php

22 ms

linkid.js

linkid.js

14 ms

ccats.jpg

ccats.jpg

100 ms

ccats-need-help.jpg

ccats-need-help.jpg

85 ms

i2b2-ccats-banner-8col.jpg

i2b2-ccats-banner-8col.jpg

125 ms

lhs-net.jpg

lhs-net.jpg

154 ms

smart-irb-banner.jpg

smart-irb-banner.jpg

183 ms

ccats-conduct-icon.png

ccats-conduct-icon.png

204 ms

ccats-learn-icon.png

ccats-learn-icon.png

283 ms

ccats-engage-icon.png

ccats-engage-icon.png

241 ms

85fc48ba0a068ee39f86f548a01b62ab.js

85fc48ba0a068ee39f86f548a01b62ab.js

9 ms

collect

collect

4 ms

collect

collect

62 ms

3bffe0b9bd7983376d061ec3e13e499d.js

3bffe0b9bd7983376d061ec3e13e499d.js

2 ms

structure.css

structure.css

143 ms

logo.png

logo.png

8 ms

base.css

base.css

7 ms

button60pxGradientBlue.png

button60pxGradientBlue.png

41 ms

bg_input_text.png

bg_input_text.png

40 ms

greyGradient29px.png

greyGradient29px.png

41 ms

button60pxGradientBlueWithDivider.png

button60pxGradientBlueWithDivider.png

41 ms

arrow_headnav.png

arrow_headnav.png

10 ms

shieldbottom.png

shieldbottom.png

20 ms

bg_nav.png

bg_nav.png

11 ms

ico_socmed_nav_twitter.png

ico_socmed_nav_twitter.png

11 ms

ico_socmed_nav_fb.png

ico_socmed_nav_fb.png

18 ms

icon_share_twitter.png

icon_share_twitter.png

64 ms

icon_share_facebook.png

icon_share_facebook.png

64 ms

icn_bullet.gif

icn_bullet.gif

62 ms

fslide-next.png

fslide-next.png

58 ms

fslide-prev.png

fslide-prev.png

58 ms

arrow.gif

arrow.gif

68 ms

rss_icon.jpg

rss_icon.jpg

75 ms

ga.js

ga.js

4 ms

__utm.gif

__utm.gif

22 ms

icon-facebook.gif

icon-facebook.gif

48 ms

icon-twitter.gif

icon-twitter.gif

61 ms

icon-youtube.gif

icon-youtube.gif

53 ms

ico_socmed_nav_youtube.png

ico_socmed_nav_youtube.png

6 ms

21 ms

Accessibility Review

ctsa.mayo.edu accessibility score

100

Accessibility Issues

Best Practices

ctsa.mayo.edu best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ctsa.mayo.edu SEO score

97

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 Ctsa.mayo.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 Ctsa.mayo.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

ctsa.mayo.edu

Open Graph description is not detected on the main page of Ctsa Mayo. 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: