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discover.cs.ucsb.edu screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

discover.cs.ucsb.edu

Center for Computing Education and Diversity in Computing at UC Santa Barbara

Page Load Speed

2.2 sec in total

First Response

370 ms

Resources Loaded

1.7 sec

Page Rendered

144 ms

discover.cs.ucsb.edu screenshot

About Website

Click here to check amazing Discover Cs UC Sb content for United States. Otherwise, check out these important facts you probably never knew about discover.cs.ucsb.edu

UCSB Center for Computing Education and Diversity promotes initiatives that increase the quality of the undergraduate educational experience, increase the diversity of the student body, and introduce ...

Visit discover.cs.ucsb.edu

Key Findings

We analyzed Discover.cs.ucsb.edu page load time and found that the first response time was 370 ms and then it took 1.8 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

discover.cs.ucsb.edu performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

discover.cs.ucsb.edu

370 ms

discover.cs.ucsb.edu

296 ms

stylesheet.css

209 ms

franklin.jpg

275 ms

Kaleidoscope.jpg

352 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Discover.cs.ucsb.edu and no external sources were called. The less responsive or slowest element that took the longest time to load (426 ms) belongs to the original domain Discover.cs.ucsb.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.5 kB (12%)

Content Size

237.3 kB

After Optimization

208.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Discover.cs.ucsb.edu main page is 237.3 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. 15% of websites need less resources to load. Images take 209.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 7.3 kB

  • Original 10.9 kB
  • After minification 9.3 kB
  • After compression 3.5 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 1.6 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 7.3 kB or 67% of the original size.

Image Optimization

-4%

Potential reduce by 8.0 kB

  • Original 209.7 kB
  • After minification 201.7 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. Discover Cs UC Sb images are well optimized though.

CSS Optimization

-79%

Potential reduce by 13.2 kB

  • Original 16.8 kB
  • After minification 12.4 kB
  • After compression 3.6 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. Discover.cs.ucsb.edu needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (50%)

Requests Now

18

After Optimization

9

  • Images
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Discover Cs UC Sb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

discover.cs.ucsb.edu

discover.cs.ucsb.edu

370 ms

discover.cs.ucsb.edu

discover.cs.ucsb.edu

296 ms

stylesheet.css

stylesheet.css

209 ms

franklin.jpg

franklin.jpg

275 ms

Kaleidoscope.jpg

Kaleidoscope.jpg

352 ms

krintz.jpg

krintz.jpg

209 ms

ortiz.jpg

ortiz.jpg

284 ms

advising.css

advising.css

219 ms

button.css

button.css

219 ms

category.css

category.css

219 ms

footer.css

footer.css

275 ms

box.css

box.css

284 ms

image.css

image.css

352 ms

navigation.css

navigation.css

425 ms

table.css

table.css

426 ms

bullet-arrow.css

bullet-arrow.css

426 ms

body_bg.jpg

body_bg.jpg

239 ms

header.jpg

header.jpg

369 ms

bullet-arrow.gif

bullet-arrow.gif

208 ms

bg-01.jpg

bg-01.jpg

209 ms

Accessibility Review

discover.cs.ucsb.edu accessibility score

93

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.

Best Practices

discover.cs.ucsb.edu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

SEO Factors

discover.cs.ucsb.edu SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Discover.cs.ucsb.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 Discover.cs.ucsb.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

discover.cs.ucsb.edu

Open Graph description is not detected on the main page of Discover Cs UC Sb. 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: