Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

ics.uci.edu

Home - UC Irvine Donald Bren School of Information & Computer Sciences

Page Load Speed

2.1 sec in total

First Response

236 ms

Resources Loaded

1.8 sec

Page Rendered

110 ms

ics.uci.edu screenshot

About Website

Click here to check amazing Ics UC I content for United States. Otherwise, check out these important facts you probably never knew about ics.uci.edu

UCI's Donald Bren School of Information and Computer Sciences is pioneering excellence in computing education and research. Learn more.

Visit ics.uci.edu

Key Findings

We analyzed Ics.uci.edu page load time and found that the first response time was 236 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ics.uci.edu performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.262

47/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

ics.uci.edu

236 ms

www.ics.uci.edu

638 ms

stylesheet_index.css

233 ms

icssearch.css

169 ms

icssearch.js

173 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 91% of them (31 requests) were addressed to the original Ics.uci.edu, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Calendar.ics.uci.edu. The less responsive or slowest element that took the longest time to load (638 ms) belongs to the original domain Ics.uci.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 384.0 kB (73%)

Content Size

528.8 kB

After Optimization

144.8 kB

In fact, the total size of Ics.uci.edu main page is 528.8 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. 25% of websites need less resources to load. Javascripts take 380.1 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 46.2 kB

  • Original 51.8 kB
  • After minification 19.4 kB
  • After compression 5.6 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 32.3 kB, which is 63% 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 46.2 kB or 89% of the original size.

Image Optimization

-39%

Potential reduce by 24.8 kB

  • Original 63.1 kB
  • After minification 38.3 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. Obviously, Ics UC I needs image optimization as it can save up to 24.8 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 283.6 kB

  • Original 380.1 kB
  • After minification 297.5 kB
  • After compression 96.5 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 283.6 kB or 75% of the original size.

CSS Optimization

-87%

Potential reduce by 29.4 kB

  • Original 33.9 kB
  • After minification 19.5 kB
  • After compression 4.4 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. Ics.uci.edu needs all CSS files to be minified and compressed as it can save up to 29.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (56%)

Requests Now

32

After Optimization

14

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ics UC I. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ics.uci.edu accessibility score

95

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

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

Links do not have a discernible name

Best Practices

ics.uci.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

ics.uci.edu SEO score

81

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ics.uci.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 Ics.uci.edu main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Ics UC I. 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: