Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

cetc.umsl.edu

Computer Education & Training Center | UMSL

Page Load Speed

1.7 sec in total

First Response

154 ms

Resources Loaded

1.3 sec

Page Rendered

262 ms

About Website

Welcome to cetc.umsl.edu homepage info - get ready to check Cetc UMSL best content for United States right away, or after learning these important things about cetc.umsl.edu

The Computer Education and Training Center offers short professional development and computer skills courses both in-person and online.

Visit cetc.umsl.edu

Key Findings

We analyzed Cetc.umsl.edu page load time and found that the first response time was 154 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

cetc.umsl.edu performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value20.8 s

2/100

10%

Network Requests Diagram

cetc.umsl.edu

154 ms

cetc.umsl.edu

170 ms

index.html

208 ms

index.html

79 ms

index.html

50 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Cetc.umsl.edu, 51% (26 requests) were made to Umsl.edu and 16% (8 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (455 ms) relates to the external source Umsl.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 774.2 kB (58%)

Content Size

1.3 MB

After Optimization

557.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cetc.umsl.edu main page is 1.3 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. 70% of websites need less resources to load. Javascripts take 538.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 52.4 kB

  • Original 59.5 kB
  • After minification 36.8 kB
  • After compression 7.1 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 22.7 kB, which is 38% 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 52.4 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 8.9 kB

  • Original 377.1 kB
  • After minification 368.1 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. Cetc UMSL images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 405.0 kB

  • Original 538.5 kB
  • After minification 374.4 kB
  • After compression 133.4 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 405.0 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 307.8 kB

  • Original 356.7 kB
  • After minification 273.2 kB
  • After compression 48.9 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. Cetc.umsl.edu needs all CSS files to be minified and compressed as it can save up to 307.8 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (60%)

Requests Now

30

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cetc UMSL. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cetc.umsl.edu accessibility score

93

Accessibility Issues

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

cetc.umsl.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cetc.umsl.edu SEO score

91

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cetc.umsl.edu 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 Cetc.umsl.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

Open Graph description is not detected on the main page of Cetc UMSL. 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: