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vent-tech.co.uk screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

vent-tech.co.uk

LEV Testing | Dust and Fume Extraction Services | Vent-Tech

Page Load Speed

9.2 sec in total

First Response

2 sec

Resources Loaded

5.5 sec

Page Rendered

1.7 sec

vent-tech.co.uk screenshot

About Website

Click here to check amazing Vent Tech content. Otherwise, check out these important facts you probably never knew about vent-tech.co.uk

Industrial ventilation company providing local exhaust ventilation (LEV) consultancy, design, installation, testing, servicing and authorised BOHS training.

Visit vent-tech.co.uk

Key Findings

We analyzed Vent-tech.co.uk page load time and found that the first response time was 2 sec and then it took 7.1 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

vent-tech.co.uk performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value26.6 s

0/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.011

100/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

www.vent-tech.co.uk

2045 ms

all.min.css

160 ms

bootstrap.min.css

239 ms

front.css

244 ms

swiper-bundle.min.css

250 ms

Our browser made a total of 120 requests to load all elements on the main page. We found that 68% of them (82 requests) were addressed to the original Vent-tech.co.uk, 8% (10 requests) were made to Lh3.googleusercontent.com and 8% (9 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Vent-tech.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 492.1 kB (7%)

Content Size

6.9 MB

After Optimization

6.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vent-tech.co.uk main page is 6.9 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. Only a small number of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 301.2 kB

  • Original 347.8 kB
  • After minification 340.1 kB
  • After compression 46.6 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 301.2 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 182.6 kB

  • Original 6.0 MB
  • After minification 5.8 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. Vent Tech images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.2 kB

  • Original 427.0 kB
  • After minification 426.9 kB
  • After compression 421.7 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

-2%

Potential reduce by 3.0 kB

  • Original 131.4 kB
  • After minification 131.4 kB
  • After compression 128.3 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. Vent-tech.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (37%)

Requests Now

98

After Optimization

62

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vent Tech. 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 from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.vent-tech.co.uk

www.vent-tech.co.uk

2045 ms

all.min.css

all.min.css

160 ms

bootstrap.min.css

bootstrap.min.css

239 ms

front.css

front.css

244 ms

swiper-bundle.min.css

swiper-bundle.min.css

250 ms

font-awesome.min.css

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246 ms

style.min.css

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251 ms

css

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27 ms

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25 ms

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loader.js

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19 ms

swiper-bundle.min.js

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gtm.js

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logo.svg

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Accessibility Review

vent-tech.co.uk accessibility score

81

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

vent-tech.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

vent-tech.co.uk SEO score

92

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

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 Vent-tech.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 Vent-tech.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

vent-tech.co.uk

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