Tools & Wizards About Us
jamesref.co.za screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jamesref.co.za

James Refrigeration and Air-conditioning in Cape Town

Page Load Speed

6.3 sec in total

First Response

945 ms

Resources Loaded

5 sec

Page Rendered

361 ms

jamesref.co.za screenshot

About Website

Visit jamesref.co.za now to see the best up-to-date James Ref content and also check out these interesting facts you probably never knew about jamesref.co.za

James Refrigeration and Air-conditioning offers air-conditioning, cryogenics and ventilation installation and servicing in the Cape Town area, Western Cape.

Visit jamesref.co.za

Key Findings

We analyzed Jamesref.co.za page load time and found that the first response time was 945 ms and then it took 5.3 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

jamesref.co.za performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

jamesref.co.za

945 ms

jamesrefrig.co.za

1564 ms

styles.css

312 ms

css

20 ms

responsive-nav.js

622 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Jamesref.co.za, 77% (24 requests) were made to Jamesrefrig.co.za and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Jamesrefrig.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.0 kB (9%)

Content Size

348.4 kB

After Optimization

318.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jamesref.co.za main page is 348.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 249.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.8 kB

  • Original 24.6 kB
  • After minification 20.9 kB
  • After compression 5.8 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 3.7 kB, which is 15% 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 18.8 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 1.6 kB

  • Original 249.8 kB
  • After minification 248.2 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. James Ref images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 8.8 kB

  • Original 71.4 kB
  • After minification 71.4 kB
  • After compression 62.5 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 8.8 kB or 12% of the original size.

CSS Optimization

-28%

Potential reduce by 743 B

  • Original 2.7 kB
  • After minification 2.7 kB
  • After compression 1.9 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. Jamesref.co.za needs all CSS files to be minified and compressed as it can save up to 743 B or 28% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (29%)

Requests Now

28

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of James Ref. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jamesref.co.za

jamesref.co.za

945 ms

jamesrefrig.co.za

jamesrefrig.co.za

1564 ms

styles.css

styles.css

312 ms

css

css

20 ms

responsive-nav.js

responsive-nav.js

622 ms

ui.totop.css

ui.totop.css

902 ms

fastclick.js

fastclick.js

954 ms

scroll.js

scroll.js

955 ms

fixed-responsive-nav.js

fixed-responsive-nav.js

955 ms

jquery.min.js

jquery.min.js

7 ms

easing.js

easing.js

969 ms

jquery.ui.totop.js

jquery.ui.totop.js

969 ms

james-refrigeration-logo.gif

james-refrigeration-logo.gif

580 ms

we-service.png

we-service.png

604 ms

team.jpg

team.jpg

1220 ms

24-hours.png

24-hours.png

613 ms

clients-1.gif

clients-1.gif

614 ms

clients-2.gif

clients-2.gif

620 ms

clients-3.gif

clients-3.gif

883 ms

member-of.png

member-of.png

914 ms

banner-cryogenics.jpg

banner-cryogenics.jpg

1561 ms

services-bg.jpg

services-bg.jpg

941 ms

services-sprite.png

services-sprite.png

649 ms

green-tick.png

green-tick.png

904 ms

24-hr-bg.jpg

24-hr-bg.jpg

1245 ms

contact-bg.jpg

contact-bg.jpg

1273 ms

analytics.js

analytics.js

20 ms

ui.totop.png

ui.totop.png

1140 ms

font

font

9 ms

collect

collect

13 ms

js

js

57 ms

Accessibility Review

jamesref.co.za accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

jamesref.co.za best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

jamesref.co.za SEO score

92

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 Jamesref.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 Jamesref.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

jamesref.co.za

Open Graph description is not detected on the main page of James Ref. 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: