Tools & Wizards About Us
science.edu.sg screenshot

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

science.edu.sg

Science Centre Singapore | Things to Do in Singapore

Page Load Speed

53.7 sec in total

First Response

976 ms

Resources Loaded

37.5 sec

Page Rendered

15.3 sec

science.edu.sg screenshot

About Website

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

We make science accessible and engaging, creating an environment where science befriends and transforms the minds of millions.

Visit science.edu.sg

Key Findings

We analyzed Science.edu.sg page load time and found that the first response time was 976 ms and then it took 52.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

science.edu.sg performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value29.0 s

0/100

25%

SI (Speed Index)

Value29.1 s

0/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.914

3/100

15%

TTI (Time to Interactive)

Value120.5 s

0/100

10%

Network Requests Diagram

science.edu.sg

976 ms

SCBNewHome.aspx

2474 ms

controls.css

427 ms

core.css

799 ms

scb-core.css

887 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 81% of them (81 requests) were addressed to the original Science.edu.sg, 13% (13 requests) were made to 0 and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (16.7 sec) belongs to the original domain Science.edu.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 788.7 kB (38%)

Content Size

2.1 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Science.edu.sg main page is 2.1 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 70.5 kB

  • Original 85.6 kB
  • After minification 78.1 kB
  • After compression 15.1 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 70.5 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 20.8 kB

  • Original 1.1 MB
  • After minification 1.1 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. Science images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 482.6 kB

  • Original 631.6 kB
  • After minification 542.5 kB
  • After compression 149.1 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 482.6 kB or 76% of the original size.

CSS Optimization

-85%

Potential reduce by 214.8 kB

  • Original 253.3 kB
  • After minification 202.7 kB
  • After compression 38.4 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. Science.edu.sg needs all CSS files to be minified and compressed as it can save up to 214.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (52%)

Requests Now

81

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

science.edu.sg

science.edu.sg

976 ms

SCBNewHome.aspx

SCBNewHome.aspx

2474 ms

controls.css

controls.css

427 ms

core.css

core.css

799 ms

scb-core.css

scb-core.css

887 ms

common.css

common.css

609 ms

nav.css

nav.css

611 ms

common.css

common.css

1367 ms

jquery.min.js

jquery.min.js

6464 ms

fixImages.js

fixImages.js

1396 ms

nav.js

nav.js

1397 ms

skin_corp.css

skin_corp.css

1331 ms

spmenu.css

spmenu.css

1395 ms

content_rte.css

content_rte.css

1396 ms

SGMSDecentralised.js

SGMSDecentralised.js

2002 ms

WebResource.axd

WebResource.axd

2864 ms

init.js

init.js

1847 ms

core.js

core.js

13617 ms

ie55up.js

ie55up.js

7739 ms

WebResource.axd

WebResource.axd

4284 ms

IdLikeTo.js

IdLikeTo.js

2371 ms

jquery.bxslider.css

jquery.bxslider.css

2589 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

4463 ms

fbevents.js

fbevents.js

1645 ms

icon_fb.png

icon_fb.png

922 ms

icon_instagram.png

icon_instagram.png

854 ms

icon_tripadvisor.png

icon_tripadvisor.png

855 ms

icon_twitter.png

icon_twitter.png

855 ms

icon_wp.png

icon_wp.png

855 ms

scsgroup_scs.png

scsgroup_scs.png

854 ms

scsgroup_kidstop.png

scsgroup_kidstop.png

854 ms

scsgroup_snowcity.png

scsgroup_snowcity.png

854 ms

scsgroup_omni.png

scsgroup_omni.png

930 ms

logo_MOE.png

logo_MOE.png

931 ms

logo_STEM.png

logo_STEM.png

930 ms

logo_ASTAR.png

logo_ASTAR.png

930 ms

logo_DSO.png

logo_DSO.png

930 ms

icn_corp.gif

icn_corp.gif

1316 ms

icn_electricity.gif

icn_electricity.gif

1315 ms

icn_water.gif

icn_water.gif

1315 ms

icn_molecules.gif

icn_molecules.gif

1315 ms

icn_robotics.gif

icn_robotics.gif

1315 ms

icn_ecoGarden.gif

icn_ecoGarden.gif

1480 ms

icn_astronomy.gif

icn_astronomy.gif

1462 ms

menudark.gif

menudark.gif

1462 ms

WebResource.axd

WebResource.axd

1280 ms

WebResource.axd

WebResource.axd

1381 ms

btn_home_ov.gif

btn_home_ov.gif

1738 ms

btn_abtUs.gif

btn_abtUs.gif

1731 ms

btn_visitInfo.gif

btn_visitInfo.gif

2098 ms

btn_exhibit.gif

btn_exhibit.gif

2098 ms

btn_events.gif

btn_events.gif

2099 ms

btn_schProg.gif

btn_schProg.gif

2184 ms

btn_comm.gif

btn_comm.gif

2183 ms

btn_resources.gif

btn_resources.gif

2253 ms

header_whatson.png

header_whatson.png

2631 ms

header_updates.png

header_updates.png

3191 ms

btn_theCtr_ov.gif

btn_theCtr_ov.gif

2420 ms

btn_visitInfo_ov.gif

btn_visitInfo_ov.gif

2302 ms

btn_exhibit_ov.gif

btn_exhibit_ov.gif

2363 ms

btn_watsOn_ov.gif

btn_watsOn_ov.gif

2845 ms

btn_edu_ov.gif

btn_edu_ov.gif

2922 ms

btn_online_ov.gif

btn_online_ov.gif

3403 ms

378686189168024

378686189168024

96 ms

139 ms

icn_ifaq.gif

icn_ifaq.gif

465 ms

TriDownBlue.GIF

TriDownBlue.GIF

480 ms

background.jpg

background.jpg

2098 ms

aniTop.gif

aniTop.gif

1031 ms

go_button.gif

go_button.gif

552 ms

customstyle.css

customstyle.css

214 ms

235x235&text=Whats+On+1

235x235&text=Whats+On+1

469 ms

footer_gradient.png

footer_gradient.png

1102 ms

footer.gif

footer.gif

560 ms

ga.js

ga.js

132 ms

icon_fb.png

icon_fb.png

761 ms

icon_instagram.png

icon_instagram.png

928 ms

icon_tripadvisor.png

icon_tripadvisor.png

922 ms

icon_twitter.png

icon_twitter.png

736 ms

icon_wp.png

icon_wp.png

737 ms

scsgroup_scs.png

scsgroup_scs.png

852 ms

scsgroup_kidstop.png

scsgroup_kidstop.png

2244 ms

scsgroup_snowcity.png

scsgroup_snowcity.png

2312 ms

scsgroup_omni.png

scsgroup_omni.png

2234 ms

logo_MOE.png

logo_MOE.png

1477 ms

logo_STEM.png

logo_STEM.png

1381 ms

logo_ASTAR.png

logo_ASTAR.png

2229 ms

logo_DSO.png

logo_DSO.png

2213 ms

MirrorMaze_fb.jpg

MirrorMaze_fb.jpg

16681 ms

40anniversary_fb.jpg

40anniversary_fb.jpg

13854 ms

BU_revfb.jpg

BU_revfb.jpg

11468 ms

arrow_prev.png

arrow_prev.png

796 ms

arrow_next.png

arrow_next.png

861 ms

whatson_left_top.jpg

whatson_left_top.jpg

5944 ms

whatson_left_bottom.png

whatson_left_bottom.png

2288 ms

whatson_middle.jpg

whatson_middle.jpg

5136 ms

whatson_right-top.jpg

whatson_right-top.jpg

4469 ms

whatson_curiosityshop.jpg

whatson_curiosityshop.jpg

6225 ms

OnlineTicketingIcon.png

OnlineTicketingIcon.png

7218 ms

__utm.gif

__utm.gif

351 ms

Accessibility Review

science.edu.sg accessibility score

86

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

science.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

Missing source maps for large first-party JavaScript

SEO Factors

science.edu.sg SEO score

72

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Science.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 Science.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

science.edu.sg

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