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ctbsa.co.za screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

ctbsa.co.za

COMMUNICATIONS TECHNOLOGY BROADCASTING - Broadcasting Tower and masts, supply & installation.

Page Load Speed

7.6 sec in total

First Response

1.4 sec

Resources Loaded

6 sec

Page Rendered

158 ms

ctbsa.co.za screenshot

About Website

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

CTB is one of the worlds best recognised communications and broadcasting organisations specialising in fields such as tower and mast supply and installation, antenna, feeder cable and combiner install...

Visit ctbsa.co.za

Key Findings

We analyzed Ctbsa.co.za page load time and found that the first response time was 1.4 sec and then it took 6.2 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

ctbsa.co.za performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

79/100

25%

SI (Speed Index)

Value2.9 s

94/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

ctbsa.co.za

1377 ms

stm31.js

1035 ms

Home_3.jpg

842 ms

Home_2.jpg

1081 ms

Home_1.jpg

1550 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that all of those requests were addressed to Ctbsa.co.za and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Ctbsa.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 67.9 kB (14%)

Content Size

473.9 kB

After Optimization

406.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ctbsa.co.za main page is 473.9 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. Only 10% of websites need less resources to load. Images take 394.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.2 kB

  • Original 23.9 kB
  • After minification 23.9 kB
  • After compression 4.8 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. 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 19.2 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 8.3 kB

  • Original 394.2 kB
  • After minification 385.9 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. Ctbsa images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 40.5 kB

  • Original 55.7 kB
  • After minification 48.6 kB
  • After compression 15.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 40.5 kB or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ctbsa. According to our analytics all requests are already optimized.

Network Requests Diagram

ctbsa.co.za

ctbsa.co.za

1377 ms

stm31.js

stm31.js

1035 ms

Home_3.jpg

Home_3.jpg

842 ms

Home_2.jpg

Home_2.jpg

1081 ms

Home_1.jpg

Home_1.jpg

1550 ms

CTB_Website_Header.jpg

CTB_Website_Header.jpg

1166 ms

blank.gif

blank.gif

532 ms

arrow_r.gif

arrow_r.gif

534 ms

piwik.js

piwik.js

1175 ms

piwik.php

piwik.php

2680 ms

Accessibility Review

ctbsa.co.za accessibility score

54

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

<object> elements do not have alternate text

Best Practices

ctbsa.co.za best practices score

75

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

SEO Factors

ctbsa.co.za SEO score

62

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ctbsa.co.za can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ctbsa.co.za 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

ctbsa.co.za

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