Tools & Wizards About Us
centromac.co.za screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

centromac.co.za

Refrigeration & Air Conditioning Company | Centromac Refrigeration

Page Load Speed

13 sec in total

First Response

1.9 sec

Resources Loaded

10.8 sec

Page Rendered

274 ms

centromac.co.za screenshot

About Website

Welcome to centromac.co.za homepage info - get ready to check Centromac best content right away, or after learning these important things about centromac.co.za

Centromac Refrigeration & Air Conditioning Company prides itself on decades of service and manufacturing excellence. Contact us today!

Visit centromac.co.za

Key Findings

We analyzed Centromac.co.za page load time and found that the first response time was 1.9 sec and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

centromac.co.za performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value21.7 s

0/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

www.centromac.co.za

1941 ms

gtm.js

65 ms

css

35 ms

all.css

134 ms

jquery.min.js

33 ms

Our browser made a total of 91 requests to load all elements on the main page. We found that 63% of them (57 requests) were addressed to the original Centromac.co.za, 10% (9 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Centromac.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 399.6 kB (28%)

Content Size

1.4 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centromac.co.za main page is 1.4 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. 70% of websites need less resources to load. Javascripts take 661.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 91.5 kB

  • Original 114.7 kB
  • After minification 113.7 kB
  • After compression 23.2 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 91.5 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 583 B

  • Original 503.1 kB
  • After minification 502.5 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. Centromac images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 305.0 kB

  • Original 661.4 kB
  • After minification 661.2 kB
  • After compression 356.4 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 305.0 kB or 46% of the original size.

CSS Optimization

-2%

Potential reduce by 2.6 kB

  • Original 160.9 kB
  • After minification 160.6 kB
  • After compression 158.4 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. Centromac.co.za has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 60 (79%)

Requests Now

76

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centromac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.centromac.co.za

www.centromac.co.za

1941 ms

gtm.js

gtm.js

65 ms

css

css

35 ms

all.css

all.css

134 ms

jquery.min.js

jquery.min.js

33 ms

classie.js

classie.js

608 ms

cuz_j.js

cuz_j.js

916 ms

sitejs.js

sitejs.js

920 ms

dizip.css

dizip.css

1247 ms

dizip.css

dizip.css

965 ms

dizip.css

dizip.css

977 ms

dizip.css

dizip.css

979 ms

dizip.css

dizip.css

1225 ms

dizip.css

dizip.css

1531 ms

dizip.css

dizip.css

1289 ms

bngmc.css

bngmc.css

1306 ms

dizip.css

dizip.css

1632 ms

dizip.css

dizip.css

1533 ms

dizip.css

dizip.css

1562 ms

css

css

43 ms

dizip.css

dizip.css

1615 ms

dizip.css

dizip.css

1838 ms

dizip.css

dizip.css

1842 ms

dizip.css

dizip.css

1875 ms

js

js

57 ms

analytics.js

analytics.js

16 ms

collect

collect

94 ms

collect

collect

24 ms

js

js

51 ms

ga-audiences

ga-audiences

112 ms

dizip.css

dizip.css

1583 ms

dizip.css

dizip.css

1601 ms

dizip.css

dizip.css

1931 ms

jquery.min.js

jquery.min.js

2098 ms

jquery-migrate.min.js

jquery-migrate.min.js

1791 ms

scripts.js

scripts.js

1830 ms

aio-contact-public.min.js

aio-contact-public.min.js

1908 ms

rmp-menu.js

rmp-menu.js

1939 ms

jq-sticky-anything.min.js

jq-sticky-anything.min.js

2110 ms

jquery.json.min.js

jquery.json.min.js

2144 ms

gravityforms.min.js

gravityforms.min.js

2234 ms

dizip.css

dizip.css

2263 ms

index.js

index.js

2259 ms

index.js

index.js

2406 ms

stickThis.js

stickThis.js

2407 ms

navigation.js

navigation.js

2455 ms

api.js

api.js

20 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

2549 ms

core.min.js

core.min.js

2349 ms

site.min.js

site.min.js

2047 ms

mobile-detect.min.js

mobile-detect.min.js

2160 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

2119 ms

wp-polyfill.min.js

wp-polyfill.min.js

2158 ms

dom-ready.min.js

dom-ready.min.js

2269 ms

hooks.min.js

hooks.min.js

2059 ms

i18n.min.js

i18n.min.js

2040 ms

a11y.min.js

a11y.min.js

2098 ms

placeholders.jquery.min.js

placeholders.jquery.min.js

2083 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

1918 ms

shiftnav.min.js

shiftnav.min.js

2038 ms

Untitled-11.jpg

Untitled-11.jpg

1512 ms

alfa2.jpg

alfa2.jpg

987 ms

SERVICE.jpg

SERVICE.jpg

1501 ms

Untitled-1-1-1024x238.png

Untitled-1-1-1024x238.png

1733 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

15 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Hw5aX8.ttf

20 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Hw5aX8.ttf

34 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Hw5aX8.ttf

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39 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf

49 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

50 ms

fa-solid-900.woff

fa-solid-900.woff

1571 ms

fa-solid-900.woff

fa-solid-900.woff

70 ms

fa-regular-400.woff

fa-regular-400.woff

1000 ms

fa-regular-400.woff

fa-regular-400.woff

99 ms

logo.png

logo.png

309 ms

alfa-laval.png

alfa-laval.png

315 ms

Centromac-Logo-1024x219.png

Centromac-Logo-1024x219.png

763 ms

Industrial-GPHE-range.png

Industrial-GPHE-range.png

826 ms

recaptcha__en.js

recaptcha__en.js

53 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

680 ms

anchor

anchor

60 ms

styles__ltr.css

styles__ltr.css

4 ms

recaptcha__en.js

recaptcha__en.js

10 ms

MxL-5nwwlOXLnw48P5Qma8MW4lQG7Q2rhXcL3r2wtjE.js

MxL-5nwwlOXLnw48P5Qma8MW4lQG7Q2rhXcL3r2wtjE.js

20 ms

webworker.js

webworker.js

26 ms

logo_48.png

logo_48.png

13 ms

recaptcha__en.js

recaptcha__en.js

15 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

4 ms

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5 ms

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9 ms

Untitled-1.png

Untitled-1.png

1218 ms

Accessibility Review

centromac.co.za accessibility score

95

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

centromac.co.za best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

centromac.co.za SEO score

89

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

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 Centromac.co.za 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 Centromac.co.za 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

centromac.co.za

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