Tools & Wizards About Us
zlmengineering.co.za screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

zlmengineering.co.za

ZLM Project Engineering

Page Load Speed

9.2 sec in total

First Response

1.1 sec

Resources Loaded

7.9 sec

Page Rendered

245 ms

zlmengineering.co.za screenshot

About Website

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

Visit zlmengineering.co.za

Key Findings

We analyzed Zlmengineering.co.za page load time and found that the first response time was 1.1 sec and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

zlmengineering.co.za performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value52.1 s

0/100

25%

SI (Speed Index)

Value37.2 s

0/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.875

3/100

15%

TTI (Time to Interactive)

Value31.7 s

0/100

10%

Network Requests Diagram

zlmengineering.co.za

1090 ms

bootstrap.min.css

767 ms

font-awesome.min.css

780 ms

swiper.min.css

779 ms

fancybox.min.css

798 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 70% of them (57 requests) were addressed to the original Zlmengineering.co.za, 28% (23 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Zlmengineering.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 414.2 kB (5%)

Content Size

8.6 MB

After Optimization

8.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zlmengineering.co.za main page is 8.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 33.1 kB

  • Original 38.2 kB
  • After minification 22.6 kB
  • After compression 5.1 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 15.6 kB, which is 41% 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 33.1 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 376.9 kB

  • Original 8.2 MB
  • After minification 7.8 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. ZLM Engineering images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 135 B

  • Original 335.4 kB
  • After minification 335.4 kB
  • After compression 335.3 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

-7%

Potential reduce by 4.0 kB

  • Original 59.4 kB
  • After minification 59.4 kB
  • After compression 55.3 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. Zlmengineering.co.za has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 16 (30%)

Requests Now

54

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZLM Engineering. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zlmengineering.co.za

zlmengineering.co.za

1090 ms

bootstrap.min.css

bootstrap.min.css

767 ms

font-awesome.min.css

font-awesome.min.css

780 ms

swiper.min.css

swiper.min.css

779 ms

fancybox.min.css

fancybox.min.css

798 ms

mapbox-style.css

mapbox-style.css

799 ms

style.css

style.css

801 ms

jquery.min.js

jquery.min.js

1161 ms

anime.min.js

anime.min.js

1160 ms

swiper.min.js

swiper.min.js

1535 ms

progressbar.min.js

progressbar.min.js

1221 ms

smooth-scrollbar.min.js

smooth-scrollbar.min.js

1592 ms

overscroll.min.js

overscroll.min.js

1220 ms

isotope.min.js

isotope.min.js

1534 ms

fancybox.min.js

fancybox.min.js

1542 ms

swup.min.js

swup.min.js

1591 ms

mapbox.min.js

mapbox.min.js

2785 ms

main.js

main.js

1927 ms

logo.svg

logo.svg

1923 ms

logo-sm.svg

logo-sm.svg

1920 ms

1.jpg

1.jpg

4358 ms

2.jpg

2.jpg

3971 ms

3.jpg

3.jpg

4575 ms

4.jpg

4.jpg

4212 ms

5.jpg

5.jpg

4961 ms

6.jpg

6.jpg

4369 ms

7.jpg

7.jpg

5163 ms

8.jpg

8.jpg

4605 ms

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brand-1.jpg

4759 ms

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brand-2.jpg

4767 ms

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brand-3.jpg

4956 ms

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brand-4.jpg

4991 ms

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brand-5.jpg

5159 ms

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brand-6.jpg

5166 ms

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brand-7.jpg

5338 ms

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brand-8.jpg

5344 ms

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brand-9.jpg

5377 ms

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brand-10.jpg

4797 ms

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brand-11.jpg

4794 ms

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brand-12.jpg

4792 ms

brand-13.jpg

brand-13.jpg

4938 ms

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brand-14.jpg

4941 ms

css2

css2

32 ms

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brand-15.jpg

4970 ms

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53 ms

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107 ms

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106 ms

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105 ms

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166 ms

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107 ms

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108 ms

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108 ms

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229 ms

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4790 ms

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4789 ms

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4754 ms

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4824 ms

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4751 ms

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4752 ms

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4576 ms

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4579 ms

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4612 ms

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3914 ms

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affiliate-6.jpg

2795 ms

Accessibility Review

zlmengineering.co.za accessibility score

96

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

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

zlmengineering.co.za best practices score

92

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

Missing source maps for large first-party JavaScript

SEO Factors

zlmengineering.co.za SEO score

83

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

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

    ZX

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zlmengineering.co.za can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed language. Our system also found out that Zlmengineering.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

zlmengineering.co.za

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