Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

esci.unco.edu

Department of Earth & Atmospheric Sciences | UNC

Page Load Speed

3 sec in total

First Response

326 ms

Resources Loaded

2.1 sec

Page Rendered

604 ms

About Website

Welcome to esci.unco.edu homepage info - get ready to check Esci UNC O best content for United States right away, or after learning these important things about esci.unco.edu

The Department of Earth & Atmospheric Sciences offers undergraduate and graduate programs led by expert faculty with various field opportunities to develop your knowledge and skillset.

Visit esci.unco.edu

Key Findings

We analyzed Esci.unco.edu page load time and found that the first response time was 326 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

esci.unco.edu performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value3,360 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.181

67/100

15%

TTI (Time to Interactive)

Value19.1 s

3/100

10%

Network Requests Diagram

esci.unco.edu

326 ms

earth-atmospheric-sciences

201 ms

102 ms

unc2020.min.css

92 ms

modernizr.js

140 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Esci.unco.edu, 49% (39 requests) were made to Unco.edu and 8% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (623 ms) relates to the external source Unco.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 510.1 kB (32%)

Content Size

1.6 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Esci.unco.edu main page is 1.6 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. 65% of websites need less resources to load. Images take 857.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 37.5 kB

  • Original 48.0 kB
  • After minification 43.2 kB
  • After compression 10.5 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 37.5 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 62.9 kB

  • Original 857.9 kB
  • After minification 795.0 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. Esci UNC O images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 406.7 kB

  • Original 673.1 kB
  • After minification 672.8 kB
  • After compression 266.4 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 406.7 kB or 60% of the original size.

CSS Optimization

-8%

Potential reduce by 3.0 kB

  • Original 38.0 kB
  • After minification 38.0 kB
  • After compression 35.0 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. Esci.unco.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (50%)

Requests Now

64

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Esci UNC O. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

esci.unco.edu accessibility score

88

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

Best Practices

esci.unco.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

esci.unco.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 Esci.unco.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 Esci.unco.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 data is detected on the main page of Esci UNC O. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: