Report Summary

  • 6

    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
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

che.unl.edu

Chemical & Biomolecular Engineering | College of Engineering | University of Nebraska–Lincoln

Page Load Speed

3.5 sec in total

First Response

9 ms

Resources Loaded

2.8 sec

Page Rendered

690 ms

che.unl.edu screenshot

About Website

Welcome to che.unl.edu homepage info - get ready to check Che Unl best content for United States right away, or after learning these important things about che.unl.edu

Nebraska Chemical & Biomolecular Engineering students enjoy numerous resources for exciting, cutting-edge research. Our students benefit from the quality, energy and ingenuity of faculty members who p...

Visit che.unl.edu

Key Findings

We analyzed Che.unl.edu page load time and found that the first response time was 9 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

che.unl.edu performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value2,070 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.825

4/100

15%

TTI (Time to Interactive)

Value27.1 s

0/100

10%

Network Requests Diagram

che.unl.edu

9 ms

chme

18 ms

1002 ms

main.css

77 ms

gtm.js

94 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Che.unl.edu, 24% (18 requests) were made to Engineering.unl.edu and 20% (15 requests) were made to Unlcms.unl.edu. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Engineering.unl.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (32%)

Content Size

3.7 MB

After Optimization

2.6 MB

In fact, the total size of Che.unl.edu main page is 3.7 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. 75% 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. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 133.2 kB

  • Original 175.2 kB
  • After minification 161.4 kB
  • After compression 42.0 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 133.2 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 56.5 kB

  • Original 1.9 MB
  • After minification 1.9 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. Che Unl images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 957.4 kB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 598.4 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 957.4 kB or 62% of the original size.

CSS Optimization

-53%

Potential reduce by 41.1 kB

  • Original 77.9 kB
  • After minification 77.8 kB
  • After compression 36.8 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. Che.unl.edu needs all CSS files to be minified and compressed as it can save up to 41.1 kB or 53% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (81%)

Requests Now

69

After Optimization

13

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Che Unl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

che.unl.edu accessibility score

100

Accessibility Issues

Best Practices

che.unl.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

Missing source maps for large first-party JavaScript

SEO Factors

che.unl.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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Che.unl.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 Che.unl.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 Che Unl. 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: