Access cosl.com.au.

Report Summary

About Website

Welcome to cosl.com.au homepage info - get ready to check Cosl best content right away, or after learning these important things about cosl.com.au

Visit cosl.com.au

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value1,200 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

cosl.com.au

339 ms

ww25.cosl.com.au

125 ms

bwntKMjwq.js

3 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 33% of them (1 request) were addressed to the original Cosl.com.au, 67% (2 requests) were made to Ww25.cosl.com.au. The less responsive or slowest element that took the longest time to load (339 ms) belongs to the original domain Cosl.com.au.

Content Size

1.5 MB

After Optimization

1.1 MB

In fact, the total size of Cosl.com.au main page is 1.5 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 5% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-30%

Potential reduce by 353 B

Original 1.2 kB
After minification 1.2 kB
After compression 818 B

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 353 B or 30% of the original size.

Image Optimization

-3%

Potential reduce by 32.1 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. Cosl images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 184.6 kB

Original 254.5 kB
After minification 206.6 kB
After compression 69.8 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 184.6 kB or 73% of the original size.

CSS Optimization

-91%

Potential reduce by 185.1 kB

Original 204.0 kB
After minification 112.9 kB
After compression 18.9 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. Cosl.com.au needs all CSS files to be minified and compressed as it can save up to 185.1 kB or 91% of the original size.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cosl. According to our analytics all requests are already optimized.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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

<frame> or <iframe> elements do not have a title

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Cosl.com.au 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 Cosl.com.au 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

cosl.com.au

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