Tools & Wizards About Us
subooks.co.za screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

subooks.co.za

SU Books | Buy Christian Books & Resources | SU Books | Buy Christian Books & Resources

Page Load Speed

7.2 sec in total

First Response

1.5 sec

Resources Loaded

5.5 sec

Page Rendered

182 ms

subooks.co.za screenshot

About Website

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

Your home page description

Visit subooks.co.za

Key Findings

We analyzed Subooks.co.za page load time and found that the first response time was 1.5 sec and then it took 5.7 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

subooks.co.za performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.2 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.181

67/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

subooks.co.za

1473 ms

css

36 ms

pnfg0vrryhgfexwagv5apa.styles.css

703 ms

js

52 ms

rress12ayzxups0gsjc1jw.scripts.js

3056 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 78% of them (21 requests) were addressed to the original Subooks.co.za, 11% (3 requests) were made to Fonts.gstatic.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Subooks.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 227.9 kB (16%)

Content Size

1.4 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Subooks.co.za main page is 1.4 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. 20% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 79.5 kB

  • Original 90.1 kB
  • After minification 90.1 kB
  • After compression 10.6 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 79.5 kB or 88% of the original size.

Image Optimization

-13%

Potential reduce by 137.7 kB

  • Original 1.1 MB
  • After minification 963.6 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. Obviously, SU Books needs image optimization as it can save up to 137.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 10.7 kB

  • Original 242.8 kB
  • After minification 242.8 kB
  • After compression 232.1 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.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SU Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

subooks.co.za

subooks.co.za

1473 ms

css

css

36 ms

pnfg0vrryhgfexwagv5apa.styles.css

pnfg0vrryhgfexwagv5apa.styles.css

703 ms

js

js

52 ms

rress12ayzxups0gsjc1jw.scripts.js

rress12ayzxups0gsjc1jw.scripts.js

3056 ms

jquery.nivo.slider.js

jquery.nivo.slider.js

978 ms

header-sprite-2.png

header-sprite-2.png

260 ms

0028238.png

0028238.png

526 ms

flyout-cart.png

flyout-cart.png

516 ms

category-nav.png

category-nav.png

775 ms

search-button.png

search-button.png

785 ms

loading.gif

loading.gif

889 ms

0040527_SU%20Books%20Web%20Slides%20(20).png

0040527_SU%20Books%20Web%20Slides%20(20).png

1999 ms

0040526_SU%20Books%20Web%20Slides%20(19).png

0040526_SU%20Books%20Web%20Slides%20(19).png

1848 ms

0040686_SU%20Books%20Web%20Slides%20(52).png

0040686_SU%20Books%20Web%20Slides%20(52).png

1657 ms

0040517_Ivangeli%20(750%20x%20400%20px)%20(1500%20x%20500%20px)%20(975%20x%20400%20px)%20(1).png

0040517_Ivangeli%20(750%20x%20400%20px)%20(1500%20x%20500%20px)%20(975%20x%20400%20px)%20(1).png

1921 ms

subscribe-button.png

subscribe-button.png

1110 ms

social-sprite-1.png

social-sprite-1.png

1340 ms

toggle-button.png

toggle-button.png

1565 ms

footer-sprite.png

footer-sprite.png

1825 ms

payment-sprite.png

payment-sprite.png

1884 ms

Comalytics-default.png

Comalytics-default.png

2050 ms

scroll-page.png

scroll-page.png

2087 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

19 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

26 ms

loader.min.js

loader.min.js

139 ms

Accessibility Review

subooks.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

subooks.co.za best practices score

83

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

SEO Factors

subooks.co.za SEO score

100

Search Engine Optimization Advices

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 Subooks.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 Subooks.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

subooks.co.za

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