Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cna.co.za

CNA | Stationery, books, textbooks, games, crafts & more!

Page Load Speed

70.1 sec in total

First Response

712 ms

Resources Loaded

39.9 sec

Page Rendered

29.5 sec

cna.co.za screenshot

About Website

Welcome to cna.co.za homepage info - get ready to check CNA best content for South Africa right away, or after learning these important things about cna.co.za

CNA is a retailer focused on stationery and books. Established in 1896, CNA has over 150 stores in South Africa, Namibia, Botswana, Lesotho and Eswatini.

Visit cna.co.za

Key Findings

We analyzed Cna.co.za page load time and found that the first response time was 712 ms and then it took 69.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

cna.co.za performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

3/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.116

85/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

cna.co.za

712 ms

www.cna.co.za

3240 ms

jquery.min.js

739 ms

bootstrap.min.js

1368 ms

108dbd4648ab46ac5f1ed505cccfe11b.css

412 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 68% of them (64 requests) were addressed to the original Cna.co.za, 5% (5 requests) were made to Google-analytics.com and 3% (3 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (8.6 sec) relates to the external source Facebook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (48%)

Content Size

3.5 MB

After Optimization

1.8 MB

In fact, the total size of Cna.co.za main page is 3.5 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 641.9 kB

  • Original 691.3 kB
  • After minification 436.8 kB
  • After compression 49.4 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 254.5 kB, which is 37% 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 641.9 kB or 93% of the original size.

Image Optimization

-2%

Potential reduce by 30.2 kB

  • Original 1.5 MB
  • After minification 1.5 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. CNA images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 415.2 kB

  • Original 679.9 kB
  • After minification 654.6 kB
  • After compression 264.7 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 415.2 kB or 61% of the original size.

CSS Optimization

-97%

Potential reduce by 582.0 kB

  • Original 602.1 kB
  • After minification 128.5 kB
  • After compression 20.2 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. Cna.co.za needs all CSS files to be minified and compressed as it can save up to 582.0 kB or 97% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (30%)

Requests Now

83

After Optimization

58

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CNA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cna.co.za accessibility score

94

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.

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

cna.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

Page has valid source maps

SEO Factors

cna.co.za SEO score

90

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 Cna.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 Cna.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

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