Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

ocw.uci.edu

UC Irvine, UCI Open

Page Load Speed

1.4 sec in total

First Response

272 ms

Resources Loaded

1 sec

Page Rendered

68 ms

About Website

Welcome to ocw.uci.edu homepage info - get ready to check Ocw UCI best content for United States right away, or after learning these important things about ocw.uci.edu

Founded in 1965, The University of California, Irvine combines the strengths of a major research university with the bounty of an incomparable Southern...

Visit ocw.uci.edu

Key Findings

We analyzed Ocw.uci.edu page load time and found that the first response time was 272 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

ocw.uci.edu performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

84/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

ocw.uci.edu

272 ms

ocw.uci.edu

304 ms

bootstrap.min.css

36 ms

bootstrap-material-design.css

78 ms

style.css

150 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 50% of them (7 requests) were addressed to the original Ocw.uci.edu, 14% (2 requests) were made to Maxcdn.bootstrapcdn.com and 14% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (404 ms) relates to the external source Rawgit.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.4 kB (57%)

Content Size

171.8 kB

After Optimization

73.4 kB

In fact, the total size of Ocw.uci.edu main page is 171.8 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. Only 10% of websites need less resources to load. Javascripts take 116.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 33.2 kB

  • Original 40.4 kB
  • After minification 34.3 kB
  • After compression 7.2 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 15% 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 33.2 kB or 82% of the original size.

JavaScript Optimization

-54%

Potential reduce by 63.4 kB

  • Original 116.8 kB
  • After minification 116.8 kB
  • After compression 53.4 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 63.4 kB or 54% of the original size.

CSS Optimization

-13%

Potential reduce by 1.8 kB

  • Original 14.6 kB
  • After minification 14.6 kB
  • After compression 12.7 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. Ocw.uci.edu needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (83%)

Requests Now

12

After Optimization

2

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ocw UCI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ocw.uci.edu accessibility score

90

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

Buttons do not have an accessible name

Best Practices

ocw.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

ocw.uci.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

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 Ocw.uci.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 Ocw.uci.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 Ocw UCI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: