Report Summary

  • 33

    Performance

    Renders faster than
    54% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

calit2.net

California Institute for Telecommunications and Information Technology

Page Load Speed

2.6 sec in total

First Response

392 ms

Resources Loaded

1.7 sec

Page Rendered

427 ms

calit2.net screenshot

About Website

Welcome to calit2.net homepage info - get ready to check Calit 2 best content for United States right away, or after learning these important things about calit2.net

Calit2 is a world-class, multidisciplinary research consortium involving UC San Diego, UC Irvine and UC Riverside. The goal: to promote discovery and innovation, notably to harness the ubiquity and sc...

Visit calit2.net

Key Findings

We analyzed Calit2.net page load time and found that the first response time was 392 ms and then it took 2.2 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

calit2.net performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

calit2.net

392 ms

calit2.js

104 ms

2new_calit2.css

183 ms

testnavbar.js

501 ms

brand

14 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 95% of them (54 requests) were addressed to the original Calit2.net, 4% (2 requests) were made to Google.com and 2% (1 request) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (936 ms) belongs to the original domain Calit2.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 700.7 kB (22%)

Content Size

3.2 MB

After Optimization

2.5 MB

In fact, the total size of Calit2.net main page is 3.2 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. 50% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 124.4 kB

  • Original 132.9 kB
  • After minification 130.8 kB
  • After compression 8.4 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 124.4 kB or 94% of the original size.

Image Optimization

-18%

Potential reduce by 530.8 kB

  • Original 3.0 MB
  • After minification 2.5 MB

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, Calit 2 needs image optimization as it can save up to 530.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 30.2 kB

  • Original 38.3 kB
  • After minification 31.0 kB
  • After compression 8.2 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 30.2 kB or 79% of the original size.

CSS Optimization

-87%

Potential reduce by 15.3 kB

  • Original 17.6 kB
  • After minification 10.9 kB
  • After compression 2.3 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. Calit2.net needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (5%)

Requests Now

55

After Optimization

52

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calit 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

calit2.net accessibility score

79

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.

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

calit2.net 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

Missing source maps for large first-party JavaScript

SEO Factors

calit2.net SEO score

92

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calit2.net can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Calit2.net 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

Open Graph description is not detected on the main page of Calit 2. 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: