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advancedcomfortsystems.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    79% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

advancedcomfortsystems.com

Viessmann Boiler Service - Advanced Comfort Systems, Inc.

Page Load Speed

4.9 sec in total

First Response

493 ms

Resources Loaded

3.6 sec

Page Rendered

822 ms

advancedcomfortsystems.com screenshot

About Website

Welcome to advancedcomfortsystems.com homepage info - get ready to check Advanced Comfort Systems best content right away, or after learning these important things about advancedcomfortsystems.com

Engineering radiant heating & snow-melt systems to maximize comfort, health, and fuel efficiency with added Viessmann boiler service.

Visit advancedcomfortsystems.com

Key Findings

We analyzed Advancedcomfortsystems.com page load time and found that the first response time was 493 ms and then it took 4.4 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

advancedcomfortsystems.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.0 s

77/100

10%

Network Requests Diagram

advancedcomfortsystems.com

493 ms

rs=w:1920,m

1308 ms

script.js

741 ms

UX.4.25.0.js

637 ms

script.js

792 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Advancedcomfortsystems.com, 90% (19 requests) were made to Img1.wsimg.com and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Img1.wsimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 234.7 kB (44%)

Content Size

537.4 kB

After Optimization

302.7 kB

  • HTML
  • Images

In fact, the total size of Advancedcomfortsystems.com main page is 537.4 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. 35% of websites need less resources to load. Images take 315.7 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 197.3 kB

  • Original 221.7 kB
  • After minification 221.7 kB
  • After compression 24.4 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. 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 197.3 kB or 89% of the original size.

Image Optimization

-12%

Potential reduce by 37.5 kB

  • Original 315.7 kB
  • After minification 278.3 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, Advanced Comfort Systems needs image optimization as it can save up to 37.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 3 (21%)

Requests Now

14

After Optimization

11

  • Images
  • JavaScript

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Advanced Comfort Systems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

advancedcomfortsystems.com

advancedcomfortsystems.com

493 ms

rs=w:1920,m

rs=w:1920,m

1308 ms

script.js

script.js

741 ms

UX.4.25.0.js

UX.4.25.0.js

637 ms

script.js

script.js

792 ms

js

js

679 ms

qt=q:95

qt=q:95

705 ms

rs=w:1920,m

rs=w:1920,m

750 ms

rs=w:1920,m

rs=w:1920,m

1065 ms

rs=w:1920,m

rs=w:1920,m

1067 ms

rs=w:1920,m

rs=w:1920,m

1046 ms

rs=w:1920,m

rs=w:1920,m

1047 ms

rs=w:1920,m

rs=w:1920,m

1055 ms

rs=w:1920,m

rs=w:1920,m

1819 ms

rs=w:1920,m

rs=w:1920,m

2941 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

492 ms

KFOlCnqEu92Fr1MmSU5fBBc-.woff

KFOlCnqEu92Fr1MmSU5fBBc-.woff

493 ms

KFOkCnqEu92Fr1MmgVxIIzQ.woff

KFOkCnqEu92Fr1MmgVxIIzQ.woff

500 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

495 ms

KFOlCnqEu92Fr1MmYUtfBBc-.woff

KFOlCnqEu92Fr1MmYUtfBBc-.woff

501 ms

VEMyRoxis5Dwuyeov5Wq7Dc.woff

VEMyRoxis5Dwuyeov5Wq7Dc.woff

498 ms

Accessibility Review

advancedcomfortsystems.com accessibility score

97

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

Best Practices

advancedcomfortsystems.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

High

Page has valid source maps

SEO Factors

advancedcomfortsystems.com 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 Advancedcomfortsystems.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 Advancedcomfortsystems.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

advancedcomfortsystems.com

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