Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

Page Load Speed

2.2 sec in total

First Response

241 ms

Resources Loaded

1.7 sec

Page Rendered

179 ms

portal.utoronto.ca screenshot

About Website

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Key Findings

We analyzed Portal.utoronto.ca page load time and found that the first response time was 241 ms and then it took 1.9 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

portal.utoronto.ca performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

portal.utoronto.ca

241 ms

tabAction

131 ms

shared.css

61 ms

theme.css

119 ms

app_nav.css

169 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 83% of them (59 requests) were addressed to the original Portal.utoronto.ca, 4% (3 requests) were made to Ssl.google-analytics.com and 3% (2 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (516 ms) belongs to the original domain Portal.utoronto.ca.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (79%)

Content Size

1.4 MB

After Optimization

287.4 kB

In fact, the total size of Portal.utoronto.ca main page is 1.4 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. 35% of websites need less resources to load. Javascripts take 933.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 33.2 kB

  • Original 44.4 kB
  • After minification 42.9 kB
  • After compression 11.3 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 33.2 kB or 75% of the original size.

Image Optimization

-13%

Potential reduce by 1.4 kB

  • Original 10.3 kB
  • After minification 8.9 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, Portal Utoronto needs image optimization as it can save up to 1.4 kB or 13% 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 742.4 kB

  • Original 933.9 kB
  • After minification 599.0 kB
  • After compression 191.5 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 742.4 kB or 79% of the original size.

CSS Optimization

-81%

Potential reduce by 313.2 kB

  • Original 389.0 kB
  • After minification 360.8 kB
  • After compression 75.7 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. Portal.utoronto.ca needs all CSS files to be minified and compressed as it can save up to 313.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (84%)

Requests Now

67

After Optimization

11

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Portal Utoronto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

portal.utoronto.ca accessibility score

86

Accessibility Issues

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

portal.utoronto.ca best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

portal.utoronto.ca SEO score

92

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

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Portal.utoronto.ca can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Portal.utoronto.ca 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 Portal Utoronto. 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: