Tools & Wizards About Us
adamsuniversitybooks.co.za screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

adamsuniversitybooks.co.za

- Adams University Books

Page Load Speed

9.8 sec in total

First Response

1.3 sec

Resources Loaded

8.2 sec

Page Rendered

206 ms

adamsuniversitybooks.co.za screenshot

About Website

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

UNISA Books Online are suppliers of academic and study books.

Visit adamsuniversitybooks.co.za

Key Findings

We analyzed Adamsuniversitybooks.co.za page load time and found that the first response time was 1.3 sec and then it took 8.4 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

adamsuniversitybooks.co.za performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value25.3 s

0/100

10%

TBT (Total Blocking Time)

Value5,980 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.289

42/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

adamsuniversitybooks.co.za

1342 ms

stylesheet.css

1092 ms

autosuggest_inquisitor.css

572 ms

bsn.AutoSuggest_c_2.0.js

836 ms

analytics.js

27 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 81% of them (17 requests) were addressed to the original Adamsuniversitybooks.co.za, 10% (2 requests) were made to Google-analytics.com and 5% (1 request) were made to Vcs.co.za. The less responsive or slowest element that took the longest time to load (5.5 sec) relates to the external source Website.vcs.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.6 kB (45%)

Content Size

229.8 kB

After Optimization

127.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adamsuniversitybooks.co.za main page is 229.8 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 99.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 43.5 kB

  • Original 50.4 kB
  • After minification 48.6 kB
  • After compression 6.9 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 43.5 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 5.5 kB

  • Original 99.9 kB
  • After minification 94.4 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. Adams University Books images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 45.1 kB

  • Original 69.0 kB
  • After minification 63.9 kB
  • After compression 24.0 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 45.1 kB or 65% of the original size.

CSS Optimization

-82%

Potential reduce by 8.6 kB

  • Original 10.4 kB
  • After minification 7.9 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. Adamsuniversitybooks.co.za needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (42%)

Requests Now

19

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adams University Books. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

adamsuniversitybooks.co.za

adamsuniversitybooks.co.za

1342 ms

stylesheet.css

stylesheet.css

1092 ms

autosuggest_inquisitor.css

autosuggest_inquisitor.css

572 ms

bsn.AutoSuggest_c_2.0.js

bsn.AutoSuggest_c_2.0.js

836 ms

analytics.js

analytics.js

27 ms

vcssecure_ns_15.jpg

vcssecure_ns_15.jpg

782 ms

oscommerce.gif

oscommerce.gif

525 ms

header_account.gif

header_account.gif

526 ms

header_cart.gif

header_cart.gif

525 ms

header_checkout.gif

header_checkout.gif

528 ms

corner_left.gif

corner_left.gif

527 ms

pixel_trans.gif

pixel_trans.gif

776 ms

corner_right_left.gif

corner_right_left.gif

1046 ms

table_background_default.gif

table_background_default.gif

1047 ms

freepostage2.gif

freepostage2.gif

1048 ms

arrow_right.gif

arrow_right.gif

1049 ms

corner_right.gif

corner_right.gif

1052 ms

button_quick_find.gif

button_quick_find.gif

1298 ms

VisaMaster.jpg

VisaMaster.jpg

1568 ms

collect

collect

10 ms

vcssecure_ns_15.jpg

vcssecure_ns_15.jpg

5505 ms

Accessibility Review

adamsuniversitybooks.co.za accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

adamsuniversitybooks.co.za best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

adamsuniversitybooks.co.za SEO score

84

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Adamsuniversitybooks.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 Adamsuniversitybooks.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

adamsuniversitybooks.co.za

Open Graph description is not detected on the main page of Adams University 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: