Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

dualcom.co.nz

Dualcom Technology Ltd | RV / Marine Lighting & Solar

Page Load Speed

4 sec in total

First Response

663 ms

Resources Loaded

3.2 sec

Page Rendered

127 ms

dualcom.co.nz screenshot

About Website

Visit dualcom.co.nz now to see the best up-to-date Dualcom content and also check out these interesting facts you probably never knew about dualcom.co.nz

Importer & Distributor of Lighting and Solar for Caravan, Motorhome and Marine.

Visit dualcom.co.nz

Key Findings

We analyzed Dualcom.co.nz page load time and found that the first response time was 663 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dualcom.co.nz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value1,980 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

dualcom.co.nz

663 ms

www.dualcom.co.nz

631 ms

web.assets_frontend.min.css

415 ms

web.assets_frontend_minimal.min.js

255 ms

js

54 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 91% of them (71 requests) were addressed to the original Dualcom.co.nz, 4% (3 requests) were made to Dualcomtechnology-dualcom.odoo.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (937 ms) belongs to the original domain Dualcom.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.0 kB (8%)

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Dualcom.co.nz main page is 1.3 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 83.7 kB

  • Original 95.3 kB
  • After minification 73.8 kB
  • After compression 11.6 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. This page needs HTML code to be minified as it can gain 21.5 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 83.7 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 16.3 kB

  • Original 1.2 MB
  • After minification 1.2 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. Dualcom images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 50 B

  • Original 21.0 kB
  • After minification 21.0 kB
  • After compression 20.9 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 3 (4%)

Requests Now

73

After Optimization

70

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dualcom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dualcom.co.nz accessibility score

79

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

High

Links do not have a discernible name

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

Heading elements are not in a sequentially-descending order

Best Practices

dualcom.co.nz best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

dualcom.co.nz SEO score

93

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

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

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 Dualcom.co.nz 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 Dualcom.co.nz 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 data is detected on the main page of Dualcom. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: