Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

nwac.com.au

Air Conditioning Specialist | North West Airconditionin

Page Load Speed

5.5 sec in total

First Response

1.1 sec

Resources Loaded

4.3 sec

Page Rendered

133 ms

About Website

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

Melbourne's largest installers of residential air conditioning, providing tailor heating and cooling solutions to your home.

Visit nwac.com.au

Key Findings

We analyzed Nwac.com.au page load time and found that the first response time was 1.1 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nwac.com.au performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value400 ms

68/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

nwac.com.au

1100 ms

jquery.min.js

709 ms

bootstrap-dropdown.js

507 ms

bootstrap-collapse.js

509 ms

jquery.bxslider.css

509 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 72% of them (52 requests) were addressed to the original Nwac.com.au, 6% (4 requests) were made to Googletagmanager.com and 6% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Nwac.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 419.8 kB (40%)

Content Size

1.1 MB

After Optimization

633.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nwac.com.au main page is 1.1 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 429.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 31.5 kB

  • Original 41.8 kB
  • After minification 38.4 kB
  • After compression 10.3 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 31.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 4.1 kB

  • Original 429.8 kB
  • After minification 425.7 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. Nwac images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 245.9 kB

  • Original 416.4 kB
  • After minification 394.2 kB
  • After compression 170.5 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 245.9 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 138.4 kB

  • Original 165.5 kB
  • After minification 137.0 kB
  • After compression 27.2 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. Nwac.com.au needs all CSS files to be minified and compressed as it can save up to 138.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (58%)

Requests Now

66

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nwac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nwac.com.au accessibility score

83

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Best Practices

nwac.com.au 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nwac.com.au SEO score

85

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

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

    EN

  • Encoding

    UTF-8

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

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