Access changiairport.com. Airport

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value4,610 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.102

89/100

15%

TTI (Time to Interactive)

Value30.8 s

0/100

10%

changiairport.com

28 ms

changiairport.com

739 ms

www.changiairport.com

1019 ms

css

84 ms

bootstrap.min.css

66 ms

Our browser made a total of 121 requests to load all elements on the main page. We found that 35% of them (42 requests) were addressed to the original Changiairport.com, 9% (11 requests) were made to Affiliate.changirecommends.com and 8% (10 requests) were made to Cf.bstatic.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Affiliate.changirecommends.com.

Content Size

6.5 MB

After Optimization

5.2 MB

In fact, the total size of Changiairport.com main page is 6.5 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. Only a small number of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 865.2 kB

Original 923.3 kB
After minification 888.8 kB
After compression 58.1 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 865.2 kB or 94% of the original size.

Image Optimization

-6%

Potential reduce by 263.8 kB

Original 4.3 MB
After minification 4.0 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. Changi Airport images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 205.6 kB

Original 1.2 MB
After minification 1.2 MB
After compression 994.6 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 205.6 kB or 17% of the original size.

CSS Optimization

-2%

Potential reduce by 1.5 kB

Original 68.1 kB
After minification 68.1 kB
After compression 66.6 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. Changiairport.com has all CSS files already compressed.

Requests Now

108

After Optimization

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Changi Airport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

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

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Changiairport.com 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 Changiairport.com 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

changiairport.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Airport

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

changiairport.com

changiairport.com

www.changiairport.com

css

bootstrap.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

changiairport.com

changiairport.com

www.changiairport.com

css

bootstrap.min.css

all.css

all.css

zone.js

cag-base.min.9a7ce20937c4687c19e156cf0a11cec6.css

launch-EN0c62bab40860441f97358c834fb27ce7.min.js

index.js

jquery-3.5.1.min.js

cag-bookingwidget.89018ebfed7d93492c52624d95a479d4.css

booking_sp_widget.js

loader.js

jquery.validate.min.js

bootstrap-3.4.1.min.js

bootstrap.bundle.min.js

popper-2.11.8.min.js

gigya.js

cag-base.min.287f9a0a1c0c1dc061d7b2e0c69211e0.js

cag-rewards-tracking.min.b64e971fa549aff314ab492eeba9d27a.js

cag-tracking.min.b6f95d15b111ccd44db9f6f9af1532a9.js

cag-admin.min.4f8c091232ac834be57f17a14f1b8d09.js

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