Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

cer.org.za

Centre for Environmental Rights – Advancing Environmental Rights in South Africa

Page Load Speed

5.4 sec in total

First Response

1.4 sec

Resources Loaded

3.8 sec

Page Rendered

264 ms

cer.org.za screenshot

About Website

Click here to check amazing Cer content for South Africa. Otherwise, check out these important facts you probably never knew about cer.org.za

We are activist lawyers who defend the right of communities and civil society organisations to an environment not harmful to health or wellbeing for

Visit cer.org.za

Key Findings

We analyzed Cer.org.za page load time and found that the first response time was 1.4 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

cer.org.za performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value3,240 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.299

40/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

cer.org.za

1388 ms

webfontloader.min.js

266 ms

modernizr.min.js

527 ms

unsemantic-grid-responsive-tablet-no-ie7.css

531 ms

global.css

533 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 56% of them (29 requests) were addressed to the original Cer.org.za, 6% (3 requests) were made to F.fontdeck.com and 6% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Cer.org.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.0 kB (24%)

Content Size

885.5 kB

After Optimization

675.6 kB

In fact, the total size of Cer.org.za main page is 885.5 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. 45% of websites need less resources to load. Images take 589.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 43.8 kB

  • Original 55.6 kB
  • After minification 53.1 kB
  • After compression 11.8 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 43.8 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 6.5 kB

  • Original 589.9 kB
  • After minification 583.4 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. Cer images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 96.3 kB

  • Original 162.5 kB
  • After minification 162.3 kB
  • After compression 66.2 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 96.3 kB or 59% of the original size.

CSS Optimization

-82%

Potential reduce by 63.4 kB

  • Original 77.6 kB
  • After minification 77.4 kB
  • After compression 14.2 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. Cer.org.za needs all CSS files to be minified and compressed as it can save up to 63.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (49%)

Requests Now

49

After Optimization

25

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cer.org.za accessibility score

88

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-hidden="true"] elements contain focusable descendents

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

cer.org.za best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cer.org.za SEO score

99

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

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 Cer.org.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 Cer.org.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 data is detected on the main page of Cer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: