Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

educatedbooks.co.za

Used University Textbooks | Buy & Sell Online | Second-hand Unisa & Technicon Books | EDUCATED BOOKS

Page Load Speed

3.8 sec in total

First Response

1.2 sec

Resources Loaded

2.4 sec

Page Rendered

122 ms

educatedbooks.co.za screenshot

About Website

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

Student online book exchange - save time & money by going online to buy, sell & exchange used or second-hand university, college, varsity, technicon or UNISA text books.

Visit educatedbooks.co.za

Key Findings

We analyzed Educatedbooks.co.za page load time and found that the first response time was 1.2 sec and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

educatedbooks.co.za performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

82/100

25%

SI (Speed Index)

Value4.5 s

71/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.078

95/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

educatedbooks.co.za

1201 ms

js

60 ms

styles.css

478 ms

js

48 ms

analytics.js

18 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 64% of them (16 requests) were addressed to the original Educatedbooks.co.za, 12% (3 requests) were made to Googleads.g.doubleclick.net and 8% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Educatedbooks.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 24.7 kB (7%)

Content Size

374.5 kB

After Optimization

349.8 kB

In fact, the total size of Educatedbooks.co.za main page is 374.5 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. 25% of websites need less resources to load. Javascripts take 250.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 23.5 kB

  • Original 30.5 kB
  • After minification 25.0 kB
  • After compression 7.0 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 5.5 kB, which is 18% 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 23.5 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 574 B

  • Original 92.8 kB
  • After minification 92.2 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. EDUCATED Books images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 80 B

  • Original 250.5 kB
  • After minification 250.5 kB
  • After compression 250.4 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.

CSS Optimization

-67%

Potential reduce by 491 B

  • Original 736 B
  • After minification 577 B
  • After compression 245 B

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. Educatedbooks.co.za needs all CSS files to be minified and compressed as it can save up to 491 B or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (17%)

Requests Now

24

After Optimization

20

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EDUCATED 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 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

educatedbooks.co.za accessibility score

56

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-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

Best Practices

educatedbooks.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

General

Impact

Issue

High

Page has valid source maps

SEO Factors

educatedbooks.co.za SEO score

67

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

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 Educatedbooks.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 Educatedbooks.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

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