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Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

intl.siyavula.com

Practise Maths & Science - Read Open Textbooks | Siyavula

Page Load Speed

368 ms in total

First Response

111 ms

Resources Loaded

190 ms

Page Rendered

67 ms

intl.siyavula.com screenshot

About Website

Click here to check amazing Intl Siyavula content for South Africa. Otherwise, check out these important facts you probably never knew about intl.siyavula.com

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Key Findings

We analyzed Intl.siyavula.com page load time and found that the first response time was 111 ms and then it took 257 ms 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. This domain responded with an error, which can significantly jeopardize Intl.siyavula.com rating and web reputation

Performance Metrics

intl.siyavula.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value600 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

intl.siyavula.com

111 ms

cf.errors.css

27 ms

browser-bar.png

25 ms

cf-no-screenshot-error.png

23 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Intl.siyavula.com and no external sources were called. The less responsive or slowest element that took the longest time to load (111 ms) belongs to the original domain Intl.siyavula.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.9 kB (23%)

Content Size

12.9 kB

After Optimization

10.0 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Intl.siyavula.com main page is 12.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. CSS take 4.5 kB which makes up the majority of the site volume.

HTML Optimization

-64%

Potential reduce by 2.9 kB

  • Original 4.5 kB
  • After minification 4.0 kB
  • After compression 1.6 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. This page needs HTML code to be minified as it can gain 474 B, which is 11% 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 2.9 kB or 64% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 3.9 kB
  • After minification 3.9 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. Intl Siyavula images are well optimized though.

CSS Optimization

-2%

Potential reduce by 75 B

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 4.4 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. Intl.siyavula.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Intl Siyavula. According to our analytics all requests are already optimized.

Network Requests Diagram

intl.siyavula.com

intl.siyavula.com

111 ms

cf.errors.css

cf.errors.css

27 ms

browser-bar.png

browser-bar.png

25 ms

cf-no-screenshot-error.png

cf-no-screenshot-error.png

23 ms

Accessibility Review

intl.siyavula.com accessibility score

73

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

Image elements do not have [alt] attributes

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

[id] attributes on active, focusable elements are not unique

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>).

Best Practices

intl.siyavula.com 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

intl.siyavula.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

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 Intl.siyavula.com 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 Intl.siyavula.com 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

intl.siyavula.com

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