Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 74

    SEO

    Google-friendlier than
    32% of websites

Page Load Speed

5.7 sec in total

First Response

1.3 sec

Resources Loaded

4.1 sec

Page Rendered

231 ms

cit.nus.edu.sg screenshot

About Website

Visit cit.nus.edu.sg now to see the best up-to-date Cit Nus content for Singapore and also check out these interesting facts you probably never knew about cit.nus.edu.sg

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Key Findings

We analyzed Cit.nus.edu.sg page load time and found that the first response time was 1.3 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cit.nus.edu.sg performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value2,940 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value11.2 s

19/100

10%

Network Requests Diagram

cit.nus.edu.sg

1334 ms

bootstrap.min.css

1782 ms

styleguide.css

894 ms

template.css

457 ms

responsive-tables.css

454 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 81% of them (25 requests) were addressed to the original Cit.nus.edu.sg, 13% (4 requests) were made to Feed.informer.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Cit.nus.edu.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 329.4 kB (23%)

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Cit.nus.edu.sg 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 24.3 kB

  • Original 29.3 kB
  • After minification 21.4 kB
  • After compression 5.0 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 7.8 kB, which is 27% 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 24.3 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 64.2 kB

  • Original 1.1 MB
  • After minification 1.0 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. Cit Nus images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 131.1 kB

  • Original 198.2 kB
  • After minification 193.3 kB
  • After compression 67.1 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 131.1 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 109.9 kB

  • Original 132.2 kB
  • After minification 128.6 kB
  • After compression 22.3 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. Cit.nus.edu.sg needs all CSS files to be minified and compressed as it can save up to 109.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (48%)

Requests Now

25

After Optimization

13

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cit Nus. 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 JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cit.nus.edu.sg accessibility score

87

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

cit.nus.edu.sg 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

Page has valid source maps

SEO Factors

cit.nus.edu.sg SEO score

74

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Cit.nus.edu.sg 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 Cit.nus.edu.sg 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 Cit Nus. 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: