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certeco.co.uk screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

certeco.co.uk

Home - Valcon

Page Load Speed

6.9 sec in total

First Response

1 sec

Resources Loaded

3.4 sec

Page Rendered

2.6 sec

certeco.co.uk screenshot

About Website

Click here to check amazing Certeco content. Otherwise, check out these important facts you probably never knew about certeco.co.uk

Our mission is to combine premium consulting with deep technology and data knowledge to add value to our clients. Learn how we do it here.

Visit certeco.co.uk

Key Findings

We analyzed Certeco.co.uk page load time and found that the first response time was 1 sec and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

certeco.co.uk performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

26/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

1004 ms

style.min.css

14 ms

style.min.css

31 ms

style.min.css

26 ms

styles.css

22 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Certeco.co.uk, 3% (1 request) were made to Player.vimeo.com and 3% (1 request) were made to I.vimeocdn.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Valcon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (10%)

Content Size

22.6 MB

After Optimization

20.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certeco.co.uk main page is 22.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 22.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 281.4 kB

  • Original 323.7 kB
  • After minification 323.7 kB
  • After compression 42.4 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 281.4 kB or 87% of the original size.

Image Optimization

-9%

Potential reduce by 1.9 MB

  • Original 22.3 MB
  • After minification 20.3 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. Certeco images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 199 B

  • Original 20.9 kB
  • After minification 20.9 kB
  • After compression 20.7 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 36 B

  • Original 14.1 kB
  • After minification 14.1 kB
  • After compression 14.1 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. Certeco.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (23%)

Requests Now

35

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certeco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

1004 ms

style.min.css

style.min.css

14 ms

style.min.css

style.min.css

31 ms

style.min.css

style.min.css

26 ms

styles.css

styles.css

22 ms

style.min.css

style.min.css

25 ms

view.min.js

view.min.js

31 ms

wp-polyfill-importmap.min.js

wp-polyfill-importmap.min.js

14 ms

901811729

901811729

154 ms

1639018699-fc9e8c06d8157982a34b8d43183231760356668d540a513a0e3fe4b32a8dc0bd-d

1639018699-fc9e8c06d8157982a34b8d43183231760356668d540a513a0e3fe4b32a8dc0bd-d

60 ms

Valcon-logo-dark-160w.png

Valcon-logo-dark-160w.png

22 ms

World-of-Data-WEBP-test-image-scaled.webp

World-of-Data-WEBP-test-image-scaled.webp

28 ms

Climate-changes-programme.jpg

Climate-changes-programme.jpg

24 ms

Graduate-consultant-for-August-2024-Gothenburg-or-Stockholm.png

Graduate-consultant-for-August-2024-Gothenburg-or-Stockholm.png

34 ms

iStock-490920676-scaled.jpg

iStock-490920676-scaled.jpg

38 ms

GettyImages-1303030943-scaled.jpg

GettyImages-1303030943-scaled.jpg

25 ms

Mirta_24_7_May-SEE-scaled.jpg

Mirta_24_7_May-SEE-scaled.jpg

41 ms

96I4670_web.jpg

96I4670_web.jpg

38 ms

Kenny-24-7_WEB-2.png

Kenny-24-7_WEB-2.png

39 ms

Sarah-Giles2.png

Sarah-Giles2.png

57 ms

Certas_web.jpg

Certas_web.jpg

54 ms

Valcon-Professional-mechanic.jpg

Valcon-Professional-mechanic.jpg

59 ms

World-of-Data-website-pics-7-MICROSOFT.png

World-of-Data-website-pics-7-MICROSOFT.png

60 ms

MS-Solution-specialist-2022-Data-AI.png

MS-Solution-specialist-2022-Data-AI.png

49 ms

MS-Solution-specialist-2022-Digital-en-App-Innovation.png

MS-Solution-specialist-2022-Digital-en-App-Innovation.png

53 ms

mendix-2.png

mendix-2.png

59 ms

1613494890_DAT_Stacked_Lock_up_Full_Color@2x-2-400x223-1.png

1613494890_DAT_Stacked_Lock_up_Full_Color@2x-2-400x223-1.png

74 ms

Profisee2-992x176.png

Profisee2-992x176.png

65 ms

aws-992x521.png

aws-992x521.png

70 ms

saas-trends-2023.jpg

saas-trends-2023.jpg

855 ms

hybrid-data.png

hybrid-data.png

78 ms

GettyImages-1921110478.jpg

GettyImages-1921110478.jpg

119 ms

Graduate-consultant-for-September-2024-Aarhus.png

Graduate-consultant-for-September-2024-Aarhus.png

116 ms

Valcon-light-400w.png

Valcon-light-400w.png

83 ms

index.js

index.js

111 ms

index.js

index.js

114 ms

api.js

api.js

12 ms

Accessibility Review

certeco.co.uk accessibility score

96

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.

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

certeco.co.uk best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

certeco.co.uk SEO score

86

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

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 Certeco.co.uk 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 Certeco.co.uk 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

certeco.co.uk

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