Tools & Wizards About Us
experilab.co.za screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

experilab.co.za

Experilab, Online Shop

Page Load Speed

3.6 sec in total

First Response

739 ms

Resources Loaded

2.7 sec

Page Rendered

198 ms

experilab.co.za screenshot

About Website

Visit experilab.co.za now to see the best up-to-date Experilab content for South Africa and also check out these interesting facts you probably never knew about experilab.co.za

Experilab : - Popular Science Kits Components Gift Vouchers Experilab Kits LabWare & Chemicals Science Gadgets Sale Items Science & Biology Models Chemistry & Physics Sets Microscopy Model Rockets sho...

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Key Findings

We analyzed Experilab.co.za page load time and found that the first response time was 739 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

experilab.co.za performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

experilab.co.za

739 ms

experilab3_g.css

245 ms

index_p.css

470 ms

experilab3_g.js

483 ms

index_a.js

485 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Experilab.co.za and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Experilab.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.2 kB (17%)

Content Size

145.8 kB

After Optimization

120.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Experilab.co.za main page is 145.8 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. 15% of websites need less resources to load. Images take 116.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 6.2 kB

  • Original 8.3 kB
  • After minification 7.8 kB
  • After compression 2.0 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. 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 6.2 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 116.5 kB
  • After minification 116.5 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. Experilab images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 724 B

  • Original 1.3 kB
  • After minification 1.0 kB
  • After compression 543 B

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 724 B or 57% of the original size.

CSS Optimization

-92%

Potential reduce by 18.2 kB

  • Original 19.8 kB
  • After minification 9.2 kB
  • After compression 1.6 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. Experilab.co.za needs all CSS files to be minified and compressed as it can save up to 18.2 kB or 92% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

33

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Experilab. According to our analytics all requests are already optimized.

Network Requests Diagram

experilab.co.za

experilab.co.za

739 ms

experilab3_g.css

experilab3_g.css

245 ms

index_p.css

index_p.css

470 ms

experilab3_g.js

experilab3_g.js

483 ms

index_a.js

index_a.js

485 ms

experilab3001029.jpg

experilab3001029.jpg

244 ms

experilab3001028.jpg

experilab3001028.jpg

244 ms

experilab3001027.jpg

experilab3001027.jpg

235 ms

experilab3001026.jpg

experilab3001026.jpg

242 ms

experilab3001025.jpg

experilab3001025.jpg

468 ms

experilab3001024.jpg

experilab3001024.jpg

469 ms

experilab3001023.jpg

experilab3001023.jpg

481 ms

experilab3001022.jpg

experilab3001022.jpg

481 ms

experilab3001021.jpg

experilab3001021.jpg

484 ms

experilab3001020.jpg

experilab3001020.jpg

484 ms

experilab3001019.jpg

experilab3001019.jpg

699 ms

experilab3001018.jpg

experilab3001018.jpg

707 ms

experilab3001017.jpg

experilab3001017.jpg

724 ms

experilab3001016.jpg

experilab3001016.jpg

736 ms

experilab3001015.jpg

experilab3001015.jpg

1020 ms

experilab3001014.jpg

experilab3001014.jpg

725 ms

experilab3001013.jpg

experilab3001013.jpg

932 ms

experilab3001012.jpg

experilab3001012.jpg

938 ms

experilab3001011.jpg

experilab3001011.jpg

963 ms

experilab3001010.jpg

experilab3001010.jpg

967 ms

experilab3001009.jpg

experilab3001009.jpg

983 ms

experilab3001008.jpg

experilab3001008.jpg

1177 ms

experilab3001007.jpg

experilab3001007.jpg

1171 ms

experilab3001004.gif

experilab3001004.gif

1203 ms

experilab3001003.gif

experilab3001003.gif

1215 ms

experilab3001006.gif

experilab3001006.gif

1222 ms

experilab3001005.jpg

experilab3001005.jpg

1269 ms

experilab3001002.gif

experilab3001002.gif

1406 ms

experilab3001001.jpg

experilab3001001.jpg

1423 ms

Accessibility Review

experilab.co.za accessibility score

59

Accessibility Issues

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

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

Form elements do not have associated labels

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

experilab.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

experilab.co.za SEO score

84

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

Links do not have descriptive text

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 Experilab.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 Experilab.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

experilab.co.za

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