Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ajs-vent.co.uk

Heating and Ventilation products online

Page Load Speed

1.5 sec in total

First Response

370 ms

Resources Loaded

940 ms

Page Rendered

181 ms

ajs-vent.co.uk screenshot

About Website

Visit ajs-vent.co.uk now to see the best up-to-date Ajs Vent content and also check out these interesting facts you probably never knew about ajs-vent.co.uk

AJ Services are manufacturers & suppliers of products associated within the heating ventilation industry, for commercial & domestic use. Our range of products includes: Access Doors, Fire Dampers, Non...

Visit ajs-vent.co.uk

Key Findings

We analyzed Ajs-vent.co.uk page load time and found that the first response time was 370 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

ajs-vent.co.uk performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value3.1 s

92/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value1.2 s

100/100

10%

Network Requests Diagram

ajs-vent.co.uk

370 ms

style.css

236 ms

lightbox.css

157 ms

swfobject.js

235 ms

urchin.js

8 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Ajs-vent.co.uk, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (473 ms) belongs to the original domain Ajs-vent.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 83.8 kB (42%)

Content Size

199.1 kB

After Optimization

115.3 kB

In fact, the total size of Ajs-vent.co.uk main page is 199.1 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. Only 10% of websites need less resources to load. Images take 127.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 47.7 kB

  • Original 56.6 kB
  • After minification 53.5 kB
  • After compression 8.8 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 47.7 kB or 84% of the original size.

Image Optimization

-25%

Potential reduce by 32.4 kB

  • Original 127.5 kB
  • After minification 95.0 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. Obviously, Ajs Vent needs image optimization as it can save up to 32.4 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-16%

Potential reduce by 1.6 kB

  • Original 9.6 kB
  • After minification 9.6 kB
  • After compression 8.0 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 1.6 kB or 16% of the original size.

CSS Optimization

-37%

Potential reduce by 2.1 kB

  • Original 5.5 kB
  • After minification 5.5 kB
  • After compression 3.5 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. Ajs-vent.co.uk needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 37% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ajs Vent. According to our analytics all requests are already optimized.

Accessibility Review

ajs-vent.co.uk accessibility score

65

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

Best Practices

ajs-vent.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

SEO Factors

ajs-vent.co.uk SEO score

77

Search Engine Optimization Advices

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 Ajs-vent.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 Ajs-vent.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 description is not detected on the main page of Ajs Vent. 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: