Tools & Wizards About Us
ri.edu.sg screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ri.edu.sg

Raffles Institution - a leading Singaporean pre-tertiary institution

Page Load Speed

14.9 sec in total

First Response

284 ms

Resources Loaded

14.4 sec

Page Rendered

229 ms

ri.edu.sg screenshot

About Website

Click here to check amazing Ri content for Singapore. Otherwise, check out these important facts you probably never knew about ri.edu.sg

RI is a leading Singaporean pre-tertiary institution for boys aged 13 to 18 and girls aged 17 to 18. We run the 6-year Raffles Programme with Raffles Girls’ School. We provide our students with the op...

Visit ri.edu.sg

Key Findings

We analyzed Ri.edu.sg page load time and found that the first response time was 284 ms and then it took 14.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

ri.edu.sg performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value17.0 s

0/100

10%

TBT (Total Blocking Time)

Value2,470 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

ri.edu.sg

284 ms

www.ri.edu.sg

1624 ms

www.ri.edu.sg

5304 ms

wogaa.js

37 ms

js

57 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 93% of them (99 requests) were addressed to the original Ri.edu.sg, 3% (3 requests) were made to Assets.wogaa.sg and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Ri.edu.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 293.7 kB (4%)

Content Size

7.0 MB

After Optimization

6.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ri.edu.sg main page is 7.0 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. 70% of websites need less resources to load. Images take 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 52.4 kB

  • Original 68.9 kB
  • After minification 68.9 kB
  • After compression 16.6 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. 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 52.4 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 183.0 kB

  • Original 6.6 MB
  • After minification 6.4 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. Ri images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 43.5 kB

  • Original 232.7 kB
  • After minification 232.7 kB
  • After compression 189.2 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 43.5 kB or 19% of the original size.

CSS Optimization

-22%

Potential reduce by 14.9 kB

  • Original 67.1 kB
  • After minification 67.1 kB
  • After compression 52.2 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. Ri.edu.sg needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (39%)

Requests Now

93

After Optimization

57

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ri.edu.sg

ri.edu.sg

284 ms

www.ri.edu.sg

www.ri.edu.sg

1624 ms

www.ri.edu.sg

www.ri.edu.sg

5304 ms

wogaa.js

wogaa.js

37 ms

js

js

57 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

1112 ms

bootstrap.min.css

bootstrap.min.css

35 ms

slick.css

slick.css

1121 ms

slick-theme.css

slick-theme.css

84 ms

animate.css

animate.css

46 ms

animations.css

animations.css

35 ms

all.css

all.css

75 ms

style.css

style.css

78 ms

WebResource.axd

WebResource.axd

1086 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

2116 ms

ScriptResource.axd

ScriptResource.axd

99 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

1132 ms

bootstrap.min.js

bootstrap.min.js

104 ms

email-decode.min.js

email-decode.min.js

108 ms

bootstrap.min.js

bootstrap.min.js

133 ms

slick.min.js

slick.min.js

185 ms

slick-animation.min.js

slick-animation.min.js

187 ms

jquery.ellipsis.min.js

jquery.ellipsis.min.js

188 ms

css3-animate-it.js

css3-animate-it.js

202 ms

parallax.min.js

parallax.min.js

224 ms

fx-utils.js

fx-utils.js

247 ms

app.js

app.js

267 ms

wogaa.js

wogaa.js

8 ms

sp.js

sp.js

14 ms

js

js

46 ms

analytics.js

analytics.js

17 ms

collect

collect

56 ms

raffles-institution-logo.png

raffles-institution-logo.png

157 ms

raffles-institution-logo-white.png

raffles-institution-logo-white.png

1256 ms

homepage-banner_nsg-2024.png

homepage-banner_nsg-2024.png

998 ms

rgc_t2_thumbnail.png

rgc_t2_thumbnail.png

995 ms

rioh24_thumbnails.png

rioh24_thumbnails.png

1008 ms

2023_alevels_results.png

2023_alevels_results.png

1016 ms

2023_alevels_instructions-to-collect-alevel-resultsfeba80a6ad004d61b41ac8c39f44e026.png

2023_alevels_instructions-to-collect-alevel-resultsfeba80a6ad004d61b41ac8c39f44e026.png

1017 ms

rgc_t1_thumbnail.png

rgc_t1_thumbnail.png

4620 ms

rmo_thumbnail.png

rmo_thumbnail.png

1027 ms

2023_thumbnail_y5-reporting-day.png

2023_thumbnail_y5-reporting-day.png

1035 ms

2023_y1-registration-day.png

2023_y1-registration-day.png

1039 ms

2022_500days2291136214b74c7b8cf073bd6fbdce05.jpg

2022_500days2291136214b74c7b8cf073bd6fbdce05.jpg

3092 ms

2022_bog-rajoo.png

2022_bog-rajoo.png

1058 ms

hoyeah_poster---ri-becoming-bishan-02_riwebsite-thumb-01.png

hoyeah_poster---ri-becoming-bishan-02_riwebsite-thumb-01.png

4382 ms

600-days-fb-artwork-thumb.jpg

600-days-fb-artwork-thumb.jpg

1089 ms

ram-logo-ai.png

ram-logo-ai.png

1111 ms

650-thumbnail_450x270.png

650-thumbnail_450x270.png

1133 ms

2021_1823trees

2021_1823trees

1151 ms

riat200thumb49026af36c39402cac8db4529fffc371.png

riat200thumb49026af36c39402cac8db4529fffc371.png

1172 ms

2023_most-caring-hostel-award.png

2023_most-caring-hostel-award.png

1198 ms

ri200_timecapsule.png

ri200_timecapsule.png

1226 ms

my-project0f6976e3b0594a4eb31157c8791e65d6.jpeg

my-project0f6976e3b0594a4eb31157c8791e65d6.jpeg

1250 ms

my-project-1-(14).png

my-project-1-(14).png

1272 ms

my-project-1-(10).png

my-project-1-(10).png

1274 ms

collect

collect

26 ms

my-project-1-(9).png

my-project-1-(9).png

1257 ms

my-project-(2).jpg

my-project-(2).jpg

3013 ms

rp-ri200.png

rp-ri200.png

1280 ms

my-project-1-(2).png

my-project-1-(2).png

1291 ms

2023_rp_farewell_mryeo.png

2023_rp_farewell_mryeo.png

1288 ms

untitled899c030609794047a6ef731dcbaa9df0.png

untitled899c030609794047a6ef731dcbaa9df0.png

1293 ms

my-project-1-(15).png

my-project-1-(15).png

1291 ms

my-project-1-(13).png

my-project-1-(13).png

1291 ms

my-project-1-(12).png

my-project-1-(12).png

519 ms

my-project-1-(11).png

my-project-1-(11).png

515 ms

my-project-1-(3).png

my-project-1-(3).png

524 ms

my-project-1-(1).png

my-project-1-(1).png

536 ms

rgc_t4.png

rgc_t4.png

556 ms

issue-6-2023-y56-ce-newsletter.png

issue-6-2023-y56-ce-newsletter.png

575 ms

rgc_t3_thumb.png

rgc_t3_thumb.png

585 ms

rgc_t1.png

rgc_t1.png

594 ms

custodian-appreciation-concert-thumbnail.png

custodian-appreciation-concert-thumbnail.png

611 ms

2022_rgc_t4.jpg

2022_rgc_t4.jpg

623 ms

2022_rgc_t1.jpg

2022_rgc_t1.jpg

641 ms

2022_most-caring-hostel.jpg

2022_most-caring-hostel.jpg

672 ms

2021_moeinnoaward.jpg

2021_moeinnoaward.jpg

681 ms

2022_beritaharian_emas.jpg

2022_beritaharian_emas.jpg

689 ms

2022_psc2022.jpg

2022_psc2022.jpg

699 ms

2022_nsts.jpg

2022_nsts.jpg

704 ms

default-thumbnail-5.jpg

default-thumbnail-5.jpg

715 ms

2016-riboardingaward.png

2016-riboardingaward.png

719 ms

footer-logo.png

footer-logo.png

726 ms

footer-image-1.png

footer-image-1.png

746 ms

footer-image-2.png

footer-image-2.png

748 ms

footer-image-3.png

footer-image-3.png

827 ms

footer-image-4.png

footer-image-4.png

752 ms

footer-image-5.png

footer-image-5.png

804 ms

footer-image-6.png

footer-image-6.png

771 ms

footer-image-7.png

footer-image-7.png

748 ms

footer-image-8.png

footer-image-8.png

746 ms

more-arrow.png

more-arrow.png

80 ms

quicklinks-1.png

quicklinks-1.png

86 ms

quicklinks-2.png

quicklinks-2.png

95 ms

quicklinks-3.png

quicklinks-3.png

105 ms

quicklinks-4.png

quicklinks-4.png

115 ms

roboto-v18-latin-regular.woff

roboto-v18-latin-regular.woff

1405 ms

roboto-v18-latin-500.woff

roboto-v18-latin-500.woff

1452 ms

roboto-v18-latin-300.woff

roboto-v18-latin-300.woff

2387 ms

roboto-v18-latin-700.woff

roboto-v18-latin-700.woff

2432 ms

roboto-v18-latin-900.woff

roboto-v18-latin-900.woff

2710 ms

fa-solid-900.woff

fa-solid-900.woff

1415 ms

fa-regular-400.woff

fa-regular-400.woff

2730 ms

DomaineTextWeb-Medium.woff

DomaineTextWeb-Medium.woff

4939 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

3926 ms

fa-brands-400.woff

fa-brands-400.woff

4915 ms

Accessibility Review

ri.edu.sg accessibility score

80

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

ri.edu.sg 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ri.edu.sg SEO score

77

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

High

robots.txt is not valid

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ri.edu.sg 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 Ri.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

ri.edu.sg

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