Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

coverseal.co.za

Coverseal Library Supplies | Book Covering | Labelling & Machines | Randburg

Page Load Speed

11.6 sec in total

First Response

2.5 sec

Resources Loaded

8.6 sec

Page Rendered

547 ms

coverseal.co.za screenshot

About Website

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

We’re a specialised supplier of library requirements, supplying anything and everything a library needs. We offer a 24 to 48-hour delivery of ex-stock products anywhere in Southern Africa.

Visit coverseal.co.za

Key Findings

We analyzed Coverseal.co.za page load time and found that the first response time was 2.5 sec and then it took 9.1 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

coverseal.co.za performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,460 ms

14/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

www.coverseal.co.za

2477 ms

wp-emoji-release.min.js

462 ms

style.min.css

721 ms

style.css

749 ms

main.css

744 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 68% of them (54 requests) were addressed to the original Coverseal.co.za, 16% (13 requests) were made to Embed.tawk.to and 5% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Coverseal.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 337.6 kB (16%)

Content Size

2.1 MB

After Optimization

1.8 MB

In fact, the total size of Coverseal.co.za main page is 2.1 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 83.2 kB

  • Original 103.3 kB
  • After minification 96.1 kB
  • After compression 20.1 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 83.2 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 57.1 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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. Coverseal images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 146.8 kB

  • Original 496.7 kB
  • After minification 496.7 kB
  • After compression 349.9 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 146.8 kB or 30% of the original size.

CSS Optimization

-40%

Potential reduce by 50.5 kB

  • Original 125.8 kB
  • After minification 125.5 kB
  • After compression 75.2 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. Coverseal.co.za needs all CSS files to be minified and compressed as it can save up to 50.5 kB or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (67%)

Requests Now

72

After Optimization

24

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coverseal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

coverseal.co.za accessibility score

88

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

coverseal.co.za best practices score

67

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

coverseal.co.za SEO score

98

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 Coverseal.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 Coverseal.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

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