Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

csus.org

Crystal Springs Uplands School

Page Load Speed

13.1 sec in total

First Response

4.8 sec

Resources Loaded

7.9 sec

Page Rendered

434 ms

csus.org screenshot

About Website

Welcome to csus.org homepage info - get ready to check Csus best content for United States right away, or after learning these important things about csus.org

Academically robust, Crystal Springs Uplands School is one of the top private college prep middle & high schools in the San Francisco Bay Area.

Visit csus.org

Key Findings

We analyzed Csus.org page load time and found that the first response time was 4.8 sec and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

csus.org performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value1,100 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.089

92/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

csus.org

4811 ms

www.csus.org

2765 ms

page

21 ms

css

29 ms

page-framework.css

16 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 11% of them (3 requests) were addressed to the original Csus.org, 54% (15 requests) were made to Mediafiles01.myschoolcdn.com and 25% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Csus.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.1 kB (42%)

Content Size

1.3 MB

After Optimization

773.8 kB

In fact, the total size of Csus.org main page is 1.3 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. 55% of websites need less resources to load. Images take 620.3 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 201.2 kB

  • Original 225.3 kB
  • After minification 208.0 kB
  • After compression 24.1 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 201.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 620.3 kB
  • After minification 620.3 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. Csus images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 249.3 kB

  • Original 357.1 kB
  • After minification 357.1 kB
  • After compression 107.8 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 249.3 kB or 70% of the original size.

CSS Optimization

-83%

Potential reduce by 104.6 kB

  • Original 126.2 kB
  • After minification 124.4 kB
  • After compression 21.6 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. Csus.org needs all CSS files to be minified and compressed as it can save up to 104.6 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csus. According to our analytics all requests are already optimized.

Accessibility Review

csus.org accessibility score

89

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

csus.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

csus.org SEO score

100

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

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 Csus.org 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 Csus.org 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 Csus. 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: