Tools & Wizards About Us
sentratekchemicals.co.za screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

sentratekchemicals.co.za

Home - Sentratek Holdings

Page Load Speed

10.4 sec in total

First Response

991 ms

Resources Loaded

9.1 sec

Page Rendered

312 ms

sentratekchemicals.co.za screenshot

About Website

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

We’re Redefining Hygiene SolutionsProviding a Brighter, Healthier & Cleaner Environment.

Visit sentratekchemicals.co.za

Key Findings

We analyzed Sentratekchemicals.co.za page load time and found that the first response time was 991 ms and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

sentratekchemicals.co.za performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

sentratekchemicals.co.za

991 ms

1000 ms

css

41 ms

f8fca40dd70b3c1d5a44274688194273.min.css

1269 ms

6d735718bf9d9750cc6b950c807c3cb2.min.js

1599 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Sentratekchemicals.co.za, 73% (29 requests) were made to Sentratek.co.za and 20% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Sentratek.co.za.

Page Optimization Overview & Recommendations

Page size can be reduced by 181.6 kB (28%)

Content Size

645.0 kB

After Optimization

463.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sentratekchemicals.co.za main page is 645.0 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. 50% of websites need less resources to load. Images take 480.8 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 62.4 kB

  • Original 75.2 kB
  • After minification 75.2 kB
  • After compression 12.7 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 62.4 kB or 83% of the original size.

Image Optimization

-25%

Potential reduce by 119.1 kB

  • Original 480.8 kB
  • After minification 361.7 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. Obviously, Sentratek Chemicals needs image optimization as it can save up to 119.1 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 51.4 kB
  • After minification 51.4 kB
  • After compression 51.3 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

-0%

Potential reduce by 0 B

  • Original 37.6 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.

Requests Breakdown

We found no issues to fix!

Requests Now

25

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sentratek Chemicals. According to our analytics all requests are already optimized.

Network Requests Diagram

sentratekchemicals.co.za

sentratekchemicals.co.za

991 ms

1000 ms

css

css

41 ms

f8fca40dd70b3c1d5a44274688194273.min.css

f8fca40dd70b3c1d5a44274688194273.min.css

1269 ms

6d735718bf9d9750cc6b950c807c3cb2.min.js

6d735718bf9d9750cc6b950c807c3cb2.min.js

1599 ms

icon

icon

36 ms

1038 ms

1557 ms

sentratek_color.svg

sentratek_color.svg

340 ms

home-asset.webp

home-asset.webp

1264 ms

220509-sentratek-mobile-website-home-infographic-2.png

220509-sentratek-mobile-website-home-infographic-2.png

962 ms

220509-sentratek-mobile-website-home-infographic-1.png

220509-sentratek-mobile-website-home-infographic-1.png

967 ms

asset-1-infographic-flag.png

asset-1-infographic-flag.png

646 ms

asset-2-infographic-employees.png

asset-2-infographic-employees.png

1277 ms

asset-4-infographic-product-badge.png

asset-4-infographic-product-badge.png

1619 ms

asset-3-infographic-value.png

asset-3-infographic-value.png

968 ms

asset-6-africa-sub-saharan-decorative-element-1.webp

asset-6-africa-sub-saharan-decorative-element-1.webp

1286 ms

asset-5-africa-sub-saharan-map.webp

asset-5-africa-sub-saharan-map.webp

1614 ms

asset-7-africa-sub-saharan-flags.png

asset-7-africa-sub-saharan-flags.png

1289 ms

Asset_1.png

Asset_1.png

1585 ms

Asset_2.png

Asset_2.png

1600 ms

Asset_3.png

Asset_3.png

1609 ms

Asset_4.png

Asset_4.png

1610 ms

Asset_5.png

Asset_5.png

1905 ms

Asset_8.png

Asset_8.png

1924 ms

Asset_9.png

Asset_9.png

1933 ms

Asset_10.png

Asset_10.png

1930 ms

Asset_11.png

Asset_11.png

1940 ms

sentratek_white.svg

sentratek_white.svg

1942 ms

oft_group_logo.svg

oft_group_logo.svg

2226 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GiClntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GiClntF8kA_ccqA.ttf

118 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVilntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVilntF8kA_ccqA.ttf

212 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G1ilntF8kA_ccqA.ttf

204 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G5ClntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4G5ClntF8kA_ccqA.ttf

234 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GCC5ntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GCC5ntF8kA_ccqA.ttf

234 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5ntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GMS5ntF8kA_ccqA.ttf

233 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVi5ntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4GVi5ntF8kA_ccqA.ttf

234 ms

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4Gfy5ntF8kA_ccqA.ttf

pe1mMImSLYBIv1o4X1M8ce2xCx3yop4tQpF_MeTm0lfGWVpNn64CL7U8upHZIbMV51Q42ptCp5F5bxqqtQ1yiU4Gfy5ntF8kA_ccqA.ttf

277 ms

material.woff

material.woff

2464 ms

ba-icons.woff

ba-icons.woff

2151 ms

Accessibility Review

sentratekchemicals.co.za accessibility score

95

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

sentratekchemicals.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sentratekchemicals.co.za SEO score

94

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 Sentratekchemicals.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 Sentratekchemicals.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

sentratekchemicals.co.za

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