Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

airconditioning-london.co.uk

Air Conditioning London | Installation | Repairs | Maintenance | HVAC |

Page Load Speed

4.1 sec in total

First Response

97 ms

Resources Loaded

2.6 sec

Page Rendered

1.3 sec

airconditioning-london.co.uk screenshot

About Website

Visit airconditioning-london.co.uk now to see the best up-to-date Air Conditioning London content and also check out these interesting facts you probably never knew about airconditioning-london.co.uk

Air Conditioning London. London's best Refrigeration company. A specialist in HVAC, Installation, Repairs, Service, Maintenance. Residential & Commercial.

Visit airconditioning-london.co.uk

Key Findings

We analyzed Airconditioning-london.co.uk page load time and found that the first response time was 97 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

airconditioning-london.co.uk performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value7,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.183

66/100

15%

TTI (Time to Interactive)

Value20.9 s

1/100

10%

Network Requests Diagram

airconditioning-london.co.uk

97 ms

airconditioning-london.co.uk

335 ms

jquery.min.js

118 ms

jquery-migrate.min.js

193 ms

jquery.modernizr.js

154 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 67% of them (51 requests) were addressed to the original Airconditioning-london.co.uk, 25% (19 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Airconditioning-london.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.8 kB (30%)

Content Size

713.7 kB

After Optimization

498.9 kB

In fact, the total size of Airconditioning-london.co.uk main page is 713.7 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. 85% 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 455.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 172.4 kB

  • Original 204.7 kB
  • After minification 196.5 kB
  • After compression 32.3 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 172.4 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 10.4 kB

  • Original 455.5 kB
  • After minification 445.1 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. Air Conditioning London images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 53.5 kB
  • After minification 53.5 kB
  • After compression 21.5 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 32.0 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (22%)

Requests Now

51

After Optimization

40

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Air Conditioning London. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

airconditioning-london.co.uk accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

airconditioning-london.co.uk best practices score

83

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

airconditioning-london.co.uk SEO score

82

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

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 Airconditioning-london.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 Airconditioning-london.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

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