Tools & Wizards About Us
bcourses.berkeley.edu screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

bcourses.berkeley.edu

CAS - Central Authentication Service

Page Load Speed

1.3 sec in total

First Response

50 ms

Resources Loaded

1.1 sec

Page Rendered

144 ms

bcourses.berkeley.edu screenshot

About Website

Click here to check amazing Bcourses Berkeley content for United States. Otherwise, check out these important facts you probably never knew about bcourses.berkeley.edu

Visit bcourses.berkeley.edu

Key Findings

We analyzed Bcourses.berkeley.edu page load time and found that the first response time was 50 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

bcourses.berkeley.edu performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.0 s

64/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

bcourses.berkeley.edu

50 ms

bcourses.berkeley.edu

57 ms

login

34 ms

cas

37 ms

delegated_auth_pass_through

44 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 31% of them (4 requests) were addressed to the original Bcourses.berkeley.edu, 62% (8 requests) were made to Auth2.berkeley.edu and 8% (1 request) were made to Sso.canvaslms.com. The less responsive or slowest element that took the longest time to load (564 ms) relates to the external source Auth2.berkeley.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.8 kB (59%)

Content Size

11.4 kB

After Optimization

4.6 kB

  • HTML

In fact, the total size of Bcourses.berkeley.edu main page is 11.4 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 5% of websites need less resources to load. HTML takes 11.4 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 6.8 kB

  • Original 11.4 kB
  • After minification 10.0 kB
  • After compression 4.6 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 1.4 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 6.8 kB or 59% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bcourses Berkeley. According to our analytics all requests are already optimized.

Network Requests Diagram

bcourses.berkeley.edu

bcourses.berkeley.edu

50 ms

bcourses.berkeley.edu

bcourses.berkeley.edu

57 ms

login

login

34 ms

cas

cas

37 ms

delegated_auth_pass_through

delegated_auth_pass_through

44 ms

login

login

564 ms

common.js

common.js

78 ms

media.css

media.css

157 ms

firefox.js

firefox.js

233 ms

login.js

login.js

235 ms

tesselation-top-right.png

tesselation-top-right.png

80 ms

tesselation-bottom-left.png

tesselation-bottom-left.png

80 ms

b-logo.png

b-logo.png

80 ms

Accessibility Review

bcourses.berkeley.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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

bcourses.berkeley.edu best practices score

92

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

Page has valid source maps

SEO Factors

bcourses.berkeley.edu SEO score

88

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

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 Bcourses.berkeley.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 Bcourses.berkeley.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

bcourses.berkeley.edu

Open Graph description is not detected on the main page of Bcourses Berkeley. 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: