Tools & Wizards About Us
zcg.com.au screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

zcg.com.au

ZCG Scalar | Australian made antennas for all conditions

Page Load Speed

5.6 sec in total

First Response

445 ms

Resources Loaded

4.8 sec

Page Rendered

321 ms

zcg.com.au screenshot

About Website

Welcome to zcg.com.au homepage info - get ready to check ZCG best content for Australia right away, or after learning these important things about zcg.com.au

Australian manufactured RF Antenna solutions for FM Radio & TV broadcast, vehicle mounting, marine, telemetry & wireless data, filters, coaxial cable, connectors and military applications.

Visit zcg.com.au

Key Findings

We analyzed Zcg.com.au page load time and found that the first response time was 445 ms and then it took 5.1 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

zcg.com.au performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value1.188

1/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

zcg.com.au

445 ms

zcg.com.au

1472 ms

css

39 ms

font-awesome.min.css

46 ms

bootstrap.min.css

58 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 70% of them (45 requests) were addressed to the original Zcg.com.au, 14% (9 requests) were made to Fonts.gstatic.com and 6% (4 requests) were made to Stackpath.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Zcg.com.au.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.6 kB (16%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zcg.com.au main page is 1.6 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 179.4 kB

  • Original 207.4 kB
  • After minification 201.2 kB
  • After compression 28.0 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 179.4 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 59.1 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. ZCG images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 5.8 kB

  • Original 92.6 kB
  • After minification 92.6 kB
  • After compression 86.7 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.

CSS Optimization

-8%

Potential reduce by 4.2 kB

  • Original 53.0 kB
  • After minification 53.0 kB
  • After compression 48.7 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. Zcg.com.au has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (40%)

Requests Now

52

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZCG. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zcg.com.au

zcg.com.au

445 ms

zcg.com.au

zcg.com.au

1472 ms

css

css

39 ms

font-awesome.min.css

font-awesome.min.css

46 ms

bootstrap.min.css

bootstrap.min.css

58 ms

meanmenu.css

meanmenu.css

203 ms

custom.css

custom.css

407 ms

style.min.css

style.min.css

810 ms

cleantalk-public.min.css

cleantalk-public.min.css

627 ms

crellyslider.css

crellyslider.css

610 ms

css

css

46 ms

genericons.css

genericons.css

618 ms

pum-site-styles.css

pum-site-styles.css

627 ms

jquery.min.js

jquery.min.js

626 ms

jquery-migrate.min.js

jquery-migrate.min.js

824 ms

apbct-public-bundle.min.js

apbct-public-bundle.min.js

827 ms

core.min.js

core.min.js

830 ms

jquery.crellyslider.js

jquery.crellyslider.js

833 ms

bootstrap.min.js

bootstrap.min.js

59 ms

jquery-ui.css

jquery-ui.css

20 ms

jquery-ui.js

jquery-ui.js

26 ms

functions.js

functions.js

827 ms

pum-site-scripts.js

pum-site-scripts.js

1008 ms

css

css

19 ms

gtm.js

gtm.js

116 ms

logo-e1646799544141.png

logo-e1646799544141.png

239 ms

antennas-img.png

antennas-img.png

436 ms

zcg-home-banner-1-min-new.jpg

zcg-home-banner-1-min-new.jpg

1030 ms

zcg-home-banner-2-left-aligned-min.jpg

zcg-home-banner-2-left-aligned-min.jpg

833 ms

zcg-home-banner-3-min-new.jpg

zcg-home-banner-3-min-new.jpg

830 ms

zcg-home-banner-4-left-aligned-min.jpg

zcg-home-banner-4-left-aligned-min.jpg

749 ms

zcg-home-banner-5-min-new.jpg

zcg-home-banner-5-min-new.jpg

1035 ms

zcg-home-banner-6-left-aligned-min.jpg

zcg-home-banner-6-left-aligned-min.jpg

1034 ms

icon1.png

icon1.png

953 ms

icon2.png

icon2.png

1033 ms

marine-69-x-58.png

marine-69-x-58.png

1037 ms

icon4.png

icon4.png

1155 ms

icon5.png

icon5.png

1232 ms

icon6.png

icon6.png

1237 ms

icon7.png

icon7.png

1238 ms

icon8.png

icon8.png

1239 ms

icon9.png

icon9.png

1240 ms

icon10.png

icon10.png

1356 ms

icon11.png

icon11.png

1433 ms

icon12.png

icon12.png

1439 ms

choose-icon1.png

choose-icon1.png

1440 ms

choose-icon2.png

choose-icon2.png

1442 ms

choose-icon3.png

choose-icon3.png

1442 ms

footer-logo.png

footer-logo.png

1558 ms

aigroupICN.png

aigroupICN.png

1634 ms

ISO9001-2020-e1606888759126.png

ISO9001-2020-e1606888759126.png

1644 ms

ISO14001-2020-e1606888917233.png

ISO14001-2020-e1606888917233.png

1644 ms

ISO45001-2020-e1606888939556.png

ISO45001-2020-e1606888939556.png

1647 ms

Logo-New-300x104.png

Logo-New-300x104.png

1646 ms

va9B4kDNxMZdWfMOD5VnLK3eRhf_.ttf

va9B4kDNxMZdWfMOD5VnLK3eRhf_.ttf

47 ms

va9B4kDNxMZdWfMOD5VnMK7eRhf_.ttf

va9B4kDNxMZdWfMOD5VnMK7eRhf_.ttf

51 ms

va9B4kDNxMZdWfMOD5VnFK_eRhf_.ttf

va9B4kDNxMZdWfMOD5VnFK_eRhf_.ttf

61 ms

va9B4kDNxMZdWfMOD5VnSKzeRhf_.ttf

va9B4kDNxMZdWfMOD5VnSKzeRhf_.ttf

88 ms

va9B4kDNxMZdWfMOD5VnZKveRhf_.ttf

va9B4kDNxMZdWfMOD5VnZKveRhf_.ttf

87 ms

va9E4kDNxMZdWfMOD5Vvl4jO.ttf

va9E4kDNxMZdWfMOD5Vvl4jO.ttf

88 ms

va9B4kDNxMZdWfMOD5VnPKreRhf_.ttf

va9B4kDNxMZdWfMOD5VnPKreRhf_.ttf

88 ms

va9B4kDNxMZdWfMOD5VnWKneRhf_.ttf

va9B4kDNxMZdWfMOD5VnWKneRhf_.ttf

88 ms

va9C4kDNxMZdWfMOD5Vn9LjJYTc.ttf

va9C4kDNxMZdWfMOD5Vn9LjJYTc.ttf

87 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

36 ms

Accessibility Review

zcg.com.au accessibility score

85

Accessibility Issues

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

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

zcg.com.au 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

Page has valid source maps

SEO Factors

zcg.com.au SEO score

86

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zcg.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 Zcg.com.au main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

zcg.com.au

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