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haze.gov.sg screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

haze.gov.sg

Haze - The National Environment Agency

Page Load Speed

6 sec in total

First Response

663 ms

Resources Loaded

5.1 sec

Page Rendered

267 ms

haze.gov.sg screenshot

About Website

Click here to check amazing Haze content for Singapore. Otherwise, check out these important facts you probably never knew about haze.gov.sg

During periods of haze, you can use the health advisory, air quality forecast, 1-hr PM2.5 and daily PSI readings to plan your schedule.

Visit haze.gov.sg

Key Findings

We analyzed Haze.gov.sg page load time and found that the first response time was 663 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

haze.gov.sg performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value2,490 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.216

58/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

www.haze.gov.sg

663 ms

style.css

303 ms

css3.css

296 ms

jquery.selectbox.css

305 ms

nivo-slider.css

288 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 84% of them (68 requests) were addressed to the original Haze.gov.sg, 5% (4 requests) were made to Platform.twitter.com and 2% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Haze.gov.sg.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (58%)

Content Size

2.3 MB

After Optimization

952.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Haze.gov.sg main page is 2.3 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. 60% of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 50.3 kB

  • Original 71.8 kB
  • After minification 68.6 kB
  • After compression 21.5 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 50.3 kB or 70% of the original size.

Image Optimization

-8%

Potential reduce by 45.2 kB

  • Original 598.6 kB
  • After minification 553.4 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. Haze images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.1 MB

  • Original 1.5 MB
  • After minification 1.2 MB
  • After compression 363.4 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 1.1 MB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 77.0 kB

  • Original 91.3 kB
  • After minification 65.8 kB
  • After compression 14.2 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. Haze.gov.sg needs all CSS files to be minified and compressed as it can save up to 77.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (50%)

Requests Now

80

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Haze. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.haze.gov.sg

www.haze.gov.sg

663 ms

style.css

style.css

303 ms

css3.css

css3.css

296 ms

jquery.selectbox.css

jquery.selectbox.css

305 ms

nivo-slider.css

nivo-slider.css

288 ms

jquery.jscrollpane.css

jquery.jscrollpane.css

290 ms

extras.css

extras.css

305 ms

home.css

home.css

607 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

698 ms

WebResource.axd

WebResource.axd

613 ms

ScriptResource.axd

ScriptResource.axd

601 ms

ScriptResource.axd

ScriptResource.axd

590 ms

ScriptResource.axd

ScriptResource.axd

614 ms

ScriptResource.axd

ScriptResource.axd

895 ms

jquery-ui-1.8.16.custom.min.js

jquery-ui-1.8.16.custom.min.js

888 ms

searchbar-dropdown.js

searchbar-dropdown.js

1185 ms

navigation.js

navigation.js

928 ms

jquery.selectbox-0.6.1.js

jquery.selectbox-0.6.1.js

927 ms

jquery.jfontsize-1.0.js

jquery.jfontsize-1.0.js

988 ms

jquery.nivo.slider.2.1.modif.js

jquery.nivo.slider.2.1.modif.js

1173 ms

slider.js

slider.js

1205 ms

jquery.mousewheel.js

jquery.mousewheel.js

1472 ms

jquery.jscrollpane.js

jquery.jscrollpane.js

1193 ms

jquery.tabify.js

jquery.tabify.js

1281 ms

jquery.printElement.min.js

jquery.printElement.min.js

1736 ms

print.js

print.js

1475 ms

tabs.js

tabs.js

1486 ms

common.js

common.js

1491 ms

home.js

home.js

1578 ms

spamspan.js

spamspan.js

2056 ms

table.js

table.js

1768 ms

jquery-ui-1.8.18.custom.min.js

jquery-ui-1.8.18.custom.min.js

1785 ms

jquery.funnelback-completion.js

jquery.funnelback-completion.js

1783 ms

jquery.tmpl.min.js

jquery.tmpl.min.js

2159 ms

addthis_widget.js

addthis_widget.js

10 ms

ga.js

ga.js

5 ms

__utm.gif

__utm.gif

12 ms

bg.jpg

bg.jpg

1387 ms

logo.jpg

logo.jpg

1431 ms

logo-singapore.jpg

logo-singapore.jpg

1441 ms

icon2.gif

icon2.gif

1443 ms

icon3.gif

icon3.gif

1672 ms

icon4.gif

icon4.gif

1721 ms

icon5.gif

icon5.gif

1990 ms

banner.jpg

banner.jpg

1785 ms

lobby-tv-banner-psi-reading-(english)-lr.jpg

lobby-tv-banner-psi-reading-(english)-lr.jpg

1787 ms

Pollutant_Trendchart_V00_c.jpg

Pollutant_Trendchart_V00_c.jpg

2081 ms

haze_talk_banner.jpg

haze_talk_banner.jpg

2257 ms

fb_icon.gif

fb_icon.gif

2026 ms

tw_icon.gif

tw_icon.gif

2059 ms

youtube_icon.gif

youtube_icon.gif

2076 ms

rss_icon.gif

rss_icon.gif

2237 ms

nea_icon.gif

nea_icon.gif

2092 ms

app_icon.gif

app_icon.gif

2352 ms

container_bg.png

container_bg.png

973 ms

btn-search.gif

btn-search.gif

848 ms

bg-button.png

bg-button.png

1035 ms

corporate-navbar.jpg

corporate-navbar.jpg

1085 ms

divider.png

divider.png

1089 ms

bg-widget-title.gif

bg-widget-title.gif

1155 ms

arrow8.gif

arrow8.gif

1439 ms

map.jpg

map.jpg

1346 ms

popup.png

popup.png

1662 ms

line4.gif

line4.gif

1365 ms

widgets.js

widgets.js

72 ms

bottom_bg.gif

bottom_bg.gif

1382 ms

footer_bg.gif

footer_bg.gif

1705 ms

divider03.gif

divider03.gif

1908 ms

main-office-tab.gif

main-office-tab.gif

1930 ms

service-center-tab.gif

service-center-tab.gif

1947 ms

_Incapsula_Resource

_Incapsula_Resource

1347 ms

300lo.json

300lo.json

51 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

78 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

70 ms

syndication

syndication

93 ms

316815306368622592

316815306368622592

116 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

2 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

5 ms

M_AfJ4My_normal.png

M_AfJ4My_normal.png

38 ms

jot

jot

27 ms

_Incapsula_Resource

_Incapsula_Resource

2 ms

Accessibility Review

haze.gov.sg accessibility score

100

Accessibility Issues

Best Practices

haze.gov.sg best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

haze.gov.sg SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Haze.gov.sg can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Haze.gov.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

haze.gov.sg

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