Tools & Wizards About Us
cenetron.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

cenetron.com

Cenetron Central Laboratory Services | Versiti Clinical Trials

Page Load Speed

2.3 sec in total

First Response

178 ms

Resources Loaded

1.7 sec

Page Rendered

409 ms

cenetron.com screenshot

About Website

Welcome to cenetron.com homepage info - get ready to check Cenetron best content right away, or after learning these important things about cenetron.com

Cenetron is an industry-leading central laboratory service provider for the facilitation of unique pharmaceutical clinical trials.

Visit cenetron.com

Key Findings

We analyzed Cenetron.com page load time and found that the first response time was 178 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cenetron.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

cenetron.com

178 ms

cenetron

543 ms

gtm.js

71 ms

css2

39 ms

bariol_bold-webfont.ttf

97 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cenetron.com, 53% (29 requests) were made to Versiticlinicaltrials.org and 27% (15 requests) were made to Media.versiticlinicaltrials.org. The less responsive or slowest element that took the longest time to load (680 ms) relates to the external source Media.versiticlinicaltrials.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 286.2 kB (34%)

Content Size

835.2 kB

After Optimization

549.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cenetron.com main page is 835.2 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. 60% of websites need less resources to load. Javascripts take 302.3 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 26.5 kB

  • Original 32.7 kB
  • After minification 26.6 kB
  • After compression 6.2 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 6.1 kB, which is 19% 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 26.5 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 21 B

  • Original 253.9 kB
  • After minification 253.9 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. Cenetron images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 79.2 kB

  • Original 302.3 kB
  • After minification 302.3 kB
  • After compression 223.1 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 79.2 kB or 26% of the original size.

CSS Optimization

-73%

Potential reduce by 180.4 kB

  • Original 246.2 kB
  • After minification 224.4 kB
  • After compression 65.8 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. Cenetron.com needs all CSS files to be minified and compressed as it can save up to 180.4 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (41%)

Requests Now

32

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cenetron. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cenetron.com

cenetron.com

178 ms

cenetron

cenetron

543 ms

gtm.js

gtm.js

71 ms

css2

css2

39 ms

bariol_bold-webfont.ttf

bariol_bold-webfont.ttf

97 ms

bariol_bold_italic-webfont.ttf

bariol_bold_italic-webfont.ttf

185 ms

bariol_light-webfont.ttf

bariol_light-webfont.ttf

199 ms

bariol_light_italic-webfont.ttf

bariol_light_italic-webfont.ttf

159 ms

bariol_regular-webfont.ttf

bariol_regular-webfont.ttf

206 ms

bariol_regular_italic-webfont.ttf

bariol_regular_italic-webfont.ttf

211 ms

bariol_thin-webfont.ttf

bariol_thin-webfont.ttf

219 ms

bariol_thin_italic-webfont.ttf

bariol_thin_italic-webfont.ttf

193 ms

fontawesome.css

fontawesome.css

215 ms

all.css

all.css

227 ms

systemPageComponents.min.css

systemPageComponents.min.css

231 ms

jquery-ui.min.css

jquery-ui.min.css

239 ms

style.css

style.css

315 ms

ct-hero-logo-cenetron-500x110.png

ct-hero-logo-cenetron-500x110.png

197 ms

jquery.min.js

jquery.min.js

28 ms

jquery.unobtrusive-ajax.js

jquery.unobtrusive-ajax.js

44 ms

jquery-3.5.1.js

jquery-3.5.1.js

273 ms

jquery.unobtrusive-ajax.js

jquery.unobtrusive-ajax.js

250 ms

systemFormComponents.min.js

systemFormComponents.min.js

259 ms

jquery-ui.min.js

jquery-ui.min.js

290 ms

FormComponents.DatePicker.Component.js

FormComponents.DatePicker.Component.js

269 ms

app.js

app.js

292 ms

Versiti-Logo-Light.svg

Versiti-Logo-Light.svg

402 ms

search-icon.svg

search-icon.svg

64 ms

menu-icon.svg

menu-icon.svg

63 ms

ct-cenetron-hero-1300x300-v2.jpg

ct-cenetron-hero-1300x300-v2.jpg

303 ms

ct-cenetron-lt-image-800x650.jpg

ct-cenetron-lt-image-800x650.jpg

680 ms

img-badge-clock@3x.png

img-badge-clock@3x.png

219 ms

img-badge-chat-bubble@3x.png

img-badge-chat-bubble@3x.png

253 ms

img-badge-microscope@3x.png

img-badge-microscope@3x.png

215 ms

img-badge-beakers@3x.png

img-badge-beakers@3x.png

226 ms

img-badge-site-support@3x.png

img-badge-site-support@3x.png

340 ms

ct-cenetron-rt-image-800x650.jpg

ct-cenetron-rt-image-800x650.jpg

611 ms

ct-cenetron-card-logistics-300x300-v2.jpg

ct-cenetron-card-logistics-300x300-v2.jpg

406 ms

ct-cenetron-card-lab-testing-300x300-v2.jpg

ct-cenetron-card-lab-testing-300x300-v2.jpg

428 ms

img-forms-3-up.png

img-forms-3-up.png

463 ms

img-salus-logo-3-up.png

img-salus-logo-3-up.png

465 ms

img-versiti-logo-3-up.png

img-versiti-logo-3-up.png

564 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

26 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjr0C4n.ttf

34 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0C4n.ttf

52 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

52 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

53 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgshZ1y4n.ttf

52 ms

bariol_regular-webfont.ttf

bariol_regular-webfont.ttf

42 ms

bariol_light-webfont.ttf

bariol_light-webfont.ttf

43 ms

bariol_thin-webfont.ttf

bariol_thin-webfont.ttf

44 ms

bariol_bold-webfont.ttf

bariol_bold-webfont.ttf

43 ms

fa-solid-900.ttf

fa-solid-900.ttf

72 ms

fa-regular-400.ttf

fa-regular-400.ttf

38 ms

fa-brands-400.ttf

fa-brands-400.ttf

93 ms

Accessibility Review

cenetron.com accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes are not valid or misspelled

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cenetron.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

cenetron.com SEO score

93

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cenetron.com 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 Cenetron.com 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

cenetron.com

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