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insulatedstructures.co.za screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

insulatedstructures.co.za

Insulated Structures - Turnkey Commercial Refrigration Solutions

Page Load Speed

6.8 sec in total

First Response

795 ms

Resources Loaded

5.3 sec

Page Rendered

715 ms

insulatedstructures.co.za screenshot

About Website

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

Insulated Structures is a Johannesburg-based refrigeration company that offers tailored commercial refrigeration products & services throughout South Africa.

Visit insulatedstructures.co.za

Key Findings

We analyzed Insulatedstructures.co.za page load time and found that the first response time was 795 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

insulatedstructures.co.za performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value7.9 s

43/100

10%

Network Requests Diagram

insulatedstructures.co.za

795 ms

css

23 ms

style.css

1114 ms

css2

40 ms

js

59 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 68% of them (21 requests) were addressed to the original Insulatedstructures.co.za, 13% (4 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Insulatedstructures.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 348.1 kB (7%)

Content Size

5.0 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Insulatedstructures.co.za main page is 5.0 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. 65% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 46.8 kB

  • Original 53.6 kB
  • After minification 32.7 kB
  • After compression 6.8 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 20.9 kB, which is 39% 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 46.8 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 164.7 kB

  • Original 4.4 MB
  • After minification 4.2 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. Insulated Structures images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 63.6 kB

  • Original 284.4 kB
  • After minification 284.4 kB
  • After compression 220.8 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 63.6 kB or 22% of the original size.

CSS Optimization

-34%

Potential reduce by 73.1 kB

  • Original 217.8 kB
  • After minification 217.8 kB
  • After compression 144.7 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. Insulatedstructures.co.za needs all CSS files to be minified and compressed as it can save up to 73.1 kB or 34% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (17%)

Requests Now

24

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Insulated Structures. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

insulatedstructures.co.za

insulatedstructures.co.za

795 ms

css

css

23 ms

style.css

style.css

1114 ms

css2

css2

40 ms

js

js

59 ms

core.min.js

core.min.js

1549 ms

script.js

script.js

743 ms

js

js

82 ms

analytics.js

analytics.js

106 ms

Insulated-Structures-MobiLogo-KUDOS2.jpg

Insulated-Structures-MobiLogo-KUDOS2.jpg

300 ms

OurMission_Background.jpg

OurMission_Background.jpg

2201 ms

Services_ColdFreezerRoom.png

Services_ColdFreezerRoom.png

1233 ms

ChickaChicken_Cabinet.jpg

ChickaChicken_Cabinet.jpg

775 ms

Services_Refrigeration.jpg

Services_Refrigeration.jpg

776 ms

PREMIIUM_AIRSHIELD_4.jpeg

PREMIIUM_AIRSHIELD_4.jpeg

1038 ms

Directors_ArmandBosching.jpg

Directors_ArmandBosching.jpg

571 ms

Makro.jpg

Makro.jpg

815 ms

Spar.jpg

Spar.jpg

1018 ms

Woolworths-Food.jpg

Woolworths-Food.jpg

1017 ms

Insulated-Structures-MobiLogo-Footer-New.jpg

Insulated-Structures-MobiLogo-Footer-New.jpg

1060 ms

QdVUSTchPBm7nuUeVf7EuStim2w.ttf

QdVUSTchPBm7nuUeVf7EuStim2w.ttf

90 ms

5aU19_a8oxmIfMJaERySiBhc9V0.ttf

5aU19_a8oxmIfMJaERySiBhc9V0.ttf

70 ms

5aU69_a8oxmIdGl4ATGwgDI.ttf

5aU69_a8oxmIdGl4ATGwgDI.ttf

219 ms

5aU19_a8oxmIfNJdERySiBhc9V0.ttf

5aU19_a8oxmIfNJdERySiBhc9V0.ttf

128 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1450 ms

collect

collect

13 ms

NetZero_Banner.png

NetZero_Banner.png

1429 ms

Home_Energy_Saving_2.jpg

Home_Energy_Saving_2.jpg

991 ms

Home_Energy_Saving_3.jpg

Home_Energy_Saving_3.jpg

759 ms

VirtualShowroom_Slider.jpg

VirtualShowroom_Slider.jpg

2713 ms

materialdesignicons-webfont.woff

materialdesignicons-webfont.woff

1002 ms

Accessibility Review

insulatedstructures.co.za accessibility score

61

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

insulatedstructures.co.za 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

insulatedstructures.co.za SEO score

78

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

Links do not have descriptive text

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 Insulatedstructures.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 Insulatedstructures.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

insulatedstructures.co.za

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