Tools & Wizards About Us
denmanair.com screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

denmanair.com

Air Conditioning Bedfordshire, service & maintenance

Page Load Speed

1.6 sec in total

First Response

104 ms

Resources Loaded

685 ms

Page Rendered

838 ms

denmanair.com screenshot

About Website

Welcome to denmanair.com homepage info - get ready to check Denman Air best content right away, or after learning these important things about denmanair.com

Denman offer air conditioning to companies in Bedfordshire and Hertfordshire, plus air con service and air-conditioning maintenance.

Visit denmanair.com

Key Findings

We analyzed Denmanair.com page load time and found that the first response time was 104 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

denmanair.com performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

denmanair.com

104 ms

denmanair.com

204 ms

www.denmanair.com

205 ms

fold.min.css

12 ms

js

70 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 98% of them (43 requests) were addressed to the original Denmanair.com, 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (205 ms) belongs to the original domain Denmanair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.0 kB (12%)

Content Size

325.0 kB

After Optimization

287.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Denmanair.com main page is 325.0 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. 30% of websites need less resources to load. Images take 252.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 28.9 kB

  • Original 36.3 kB
  • After minification 32.5 kB
  • After compression 7.5 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. This page needs HTML code to be minified as it can gain 3.9 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 28.9 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 4.6 kB

  • Original 252.3 kB
  • After minification 247.7 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. Denman Air images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 2.9 kB

  • Original 26.0 kB
  • After minification 26.0 kB
  • After compression 23.1 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 2.9 kB or 11% of the original size.

CSS Optimization

-16%

Potential reduce by 1.7 kB

  • Original 10.3 kB
  • After minification 10.3 kB
  • After compression 8.6 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. Denmanair.com needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (22%)

Requests Now

18

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denman Air. 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 as a result speed up the page load time.

Network Requests Diagram

denmanair.com

denmanair.com

104 ms

denmanair.com

denmanair.com

204 ms

www.denmanair.com

www.denmanair.com

205 ms

fold.min.css

fold.min.css

12 ms

js

js

70 ms

email-decode.min.js

email-decode.min.js

34 ms

style.min.css

style.min.css

33 ms

script.min.js

script.min.js

45 ms

google-testimonials.js

google-testimonials.js

32 ms

logo.webp

logo.webp

18 ms

slide1.jpg

slide1.jpg

21 ms

fujitsu.webp

fujitsu.webp

20 ms

heading-dots.png

heading-dots.png

16 ms

mitsubishi-electric.webp

mitsubishi-electric.webp

29 ms

daikin.webp

daikin.webp

56 ms

mitsubishi-heavy.webp

mitsubishi-heavy.webp

28 ms

safe-contractor.webp

safe-contractor.webp

58 ms

toshiba.webp

toshiba.webp

56 ms

refcom.webp

refcom.webp

32 ms

tick.png

tick.png

39 ms

heading-dots-white.png

heading-dots-white.png

57 ms

logo-footer.webp

logo-footer.webp

57 ms

border-bottom.png

border-bottom.png

48 ms

border-top.png

border-top.png

48 ms

icon-engineers.webp

icon-engineers.webp

49 ms

icon-20.webp

icon-20.webp

48 ms

icon-service.webp

icon-service.webp

48 ms

icon-warranty.webp

icon-warranty.webp

50 ms

bg-1.webp

bg-1.webp

55 ms

border-top-p.png

border-top-p.png

53 ms

circle-design.webp

circle-design.webp

54 ms

circle-installation.webp

circle-installation.webp

59 ms

circle-service.webp

circle-service.webp

58 ms

circle-maintenance.webp

circle-maintenance.webp

58 ms

bg-waves.webp

bg-waves.webp

62 ms

bg-2.webp

bg-2.webp

67 ms

icon-clear-air.webp

icon-clear-air.webp

65 ms

icon-warranty2.webp

icon-warranty2.webp

70 ms

border-bottom-b.png

border-bottom-b.png

70 ms

icon-instagram.svg

icon-instagram.svg

71 ms

icon-facebook.svg

icon-facebook.svg

73 ms

icon-linkedin.svg

icon-linkedin.svg

77 ms

dbwd.webp

dbwd.webp

91 ms

main.js

main.js

9 ms

Accessibility Review

denmanair.com accessibility score

93

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

Links do not have a discernible name

Best Practices

denmanair.com 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

SEO Factors

denmanair.com SEO score

100

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

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 Denmanair.com 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 Denmanair.com 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

denmanair.com

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