Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

rossier.usc.edu

Home | USC Rossier School of Education

Page Load Speed

4.1 sec in total

First Response

1.1 sec

Resources Loaded

2.6 sec

Page Rendered

300 ms

rossier.usc.edu screenshot

About Website

Click here to check amazing Rossier USC content for United States. Otherwise, check out these important facts you probably never knew about rossier.usc.edu

We prepare leaders to achieve educational equity through practice, research and policy. Through innovative thinking and research, we solve the most intractable educational problems.

Visit rossier.usc.edu

Key Findings

We analyzed Rossier.usc.edu page load time and found that the first response time was 1.1 sec and then it took 2.9 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

rossier.usc.edu performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value15.2 s

0/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value1.308

1/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

rossier.usc.edu

1148 ms

ga.js

24 ms

analytics.js

42 ms

__utm.gif

24 ms

collect

44 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 44% of them (34 requests) were addressed to the original Rossier.usc.edu, 17% (13 requests) were made to Use.typekit.com and 15% (12 requests) were made to Static.formstack.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Rossier.usc.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 720.7 kB (48%)

Content Size

1.5 MB

After Optimization

773.4 kB

In fact, the total size of Rossier.usc.edu main page is 1.5 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 597.9 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 23.8 kB

  • Original 32.3 kB
  • After minification 28.4 kB
  • After compression 8.5 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. This page needs HTML code to be minified as it can gain 3.9 kB, which is 12% 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 23.8 kB or 74% of the original size.

Image Optimization

-12%

Potential reduce by 71.4 kB

  • Original 597.9 kB
  • After minification 526.5 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, Rossier USC needs image optimization as it can save up to 71.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 214.9 kB

  • Original 369.5 kB
  • After minification 360.9 kB
  • After compression 154.6 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 214.9 kB or 58% of the original size.

CSS Optimization

-83%

Potential reduce by 410.7 kB

  • Original 494.4 kB
  • After minification 492.1 kB
  • After compression 83.7 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. Rossier.usc.edu needs all CSS files to be minified and compressed as it can save up to 410.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (49%)

Requests Now

63

After Optimization

32

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rossier USC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rossier.usc.edu accessibility score

83

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

rossier.usc.edu best practices score

83

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

Page has valid source maps

SEO Factors

rossier.usc.edu SEO score

84

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

High

Image elements do not have [alt] attributes

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 Rossier.usc.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 Rossier.usc.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 Rossier USC. 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: