Access selectairservices.co.uk. Air conditioning Liverpool : Refrigeration Ventilation Heating

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value220 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.278

44/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

selectairservices.co.uk

379 ms

css

20 ms

style.css

443 ms

grid.css

171 ms

layout.css

288 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 76% of them (50 requests) were addressed to the original Selectairservices.co.uk, 20% (13 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Selectairservices.co.uk.

Content Size

2.4 MB

After Optimization

1.7 MB

In fact, the total size of Selectairservices.co.uk main page is 2.4 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.5 kB

Original 30.5 kB
After minification 25.8 kB
After compression 5.9 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 4.6 kB, which is 15% 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 24.5 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 12.5 kB

Original 1.5 MB
After minification 1.4 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. Select Air Services images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 277.4 kB

Original 493.7 kB
After minification 423.9 kB
After compression 216.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 277.4 kB or 56% of the original size.

CSS Optimization

-89%

Potential reduce by 342.2 kB

Original 385.8 kB
After minification 254.1 kB
After compression 43.7 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. Selectairservices.co.uk needs all CSS files to be minified and compressed as it can save up to 342.2 kB or 89% of the original size.

Requests Now

After Optimization

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Select Air Services. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

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 Selectairservices.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 Selectairservices.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

selectairservices.co.uk

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Air conditioning Liverpool : Refrigeration Ventilation Heating

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

selectairservices.co.uk

css

style.css

grid.css

layout.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

selectairservices.co.uk

css

style.css

grid.css

layout.css

fontello.css

animation.css

animate.css

layerslider.css

magnific-popup.css

owl.carousel.css

owl.theme.css

owl.transitions.css

jquery.modernizr.js

jquery.min.js

plugins.js

jquery.easing.1.3-min.js

greensock.js

layerslider.transitions.js

layerslider.kreaturamedia.jquery.js

owl.carousel.js

jquery.mixitup-min.js

jquery.magnific-popup.min.js

js

jquery.gmap-min.js

config.js

custom.js

select-air-services-background-developed-2.jpg

air-conditioning-select-air-services-logo-134-88.jpg

select-air-services-air-conditioning-service-image_16081503360417767.jpg

select-air-services-heating-service-image_1608150337024069.jpg

select-air-services-refrigeration-service-image_1608150337219779.jpg

select-air-services-ventilation-service-image_16081503374031356.jpg

service-icon-air-conditioning.gif

service-icon-heating.gif

service-icon-refrigeration.gif

service-icon-ventilation.gif

L-F-C-bird_1608170253474741.jpg

select-air-services-university-teaching-hospital_1610101039463419.jpg

select-ar-services-clarks_1610101031516867.jpg

tranmere-rovers-logo_16081912064717361.jpg

select-air-services-university-of-liverpool_16101010355525496.jpg

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