Access hrv-group.com. Specialists in heat recovery ventilation and air conditioning

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

hrv-group.com

274 ms

www.hrv-group.com

329 ms

www.hrv-group.com

585 ms

css2

31 ms

reset.css

230 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 86% of them (42 requests) were addressed to the original Hrv-group.com, 8% (4 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 (795 ms) belongs to the original domain Hrv-group.com.

Content Size

3.3 MB

After Optimization

2.6 MB

In fact, the total size of Hrv-group.com main page is 3.3 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 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 59.6 kB

Original 76.0 kB
After minification 67.0 kB
After compression 16.4 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 9.0 kB, which is 12% 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 59.6 kB or 78% of the original size.

Image Optimization

-10%

Potential reduce by 262.7 kB

Original 2.7 MB
After minification 2.5 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. Hrv Group images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 194.6 kB

Original 313.9 kB
After minification 269.3 kB
After compression 119.3 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 194.6 kB or 62% of the original size.

CSS Optimization

-83%

Potential reduce by 118.3 kB

Original 141.8 kB
After minification 117.4 kB
After compression 23.5 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. Hrv-group.com needs all CSS files to be minified and compressed as it can save up to 118.3 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hrv Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 6 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

Links do not have a discernible name

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

Low

Detected JavaScript libraries

High

Page has valid source maps

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

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

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

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 Hrv-group.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 Hrv-group.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

hrv-group.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Specialists in heat recovery ventilation and air conditioning

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

hrv-group.com

www.hrv-group.com

www.hrv-group.com

css2

reset.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

hrv-group.com

www.hrv-group.com

www.hrv-group.com

css2

reset.css

slick.css

mainStyles.css

responsive.css

jquery-3.4.1.min.js

skrollr.js

slick.min.js

jquery.matchHeight-min.js

baseFunctions.js

siteFunctions.js

tp.widget.bootstrap.min.js

WebResource.axd

ScriptResource.axd

ScriptResource.axd

cookies.css

counter.js

counter_scroll.js

widget

logo-hrv.jpg

quotemark.svg

HVNAwds22Logo-Participationlogo-WinnerHR002.jpg

SMELondon23-GoldWinner.jpg

SMELondon23-OverallWinner.jpg

logo-hv-awards_2022.jpg

logo-hv-awards.jpg

icon-linked-in.svg

icon-facebook.svg

icon-close-cookie.svg

icon-close.svg

ID159.jpg

icon-search.svg

home-hero.jpg

hero-shape-bottom-light-blue.svg

cleanfiltersMVHR.jpg

home-listing-ventilation.jpg

InPartnershipwith.png

home-listing-mould.jpg

circle-local-engineer.png

listing-heat-recovery-service.jpg