Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

dsheating1.synthasite.com

Chicago Rheem Heating Ventilation Air Conditioning Dealer - Apply for an Energy Loan with D's Air & Heating Inc - Palos Hills - Maywood - Bellwoo...

Page Load Speed

2.2 sec in total

First Response

23 ms

Resources Loaded

1.2 sec

Page Rendered

979 ms

dsheating1.synthasite.com screenshot

About Website

Visit dsheating1.synthasite.com now to see the best up-to-date Ds Heating 1 Synthasite content for Bangladesh and also check out these interesting facts you probably never knew about dsheating1.synthasite.com

D's Air and Heating, Inc. is a family owned and operated RHEEM Dealer Chicago 60639 and in Oak Park 60302, 60628, 60647, 60644, 60631, 60301. We specilize in Duct Cleaning 60301, Dryer Vent Clean...

Visit dsheating1.synthasite.com

Key Findings

We analyzed Dsheating1.synthasite.com page load time and found that the first response time was 23 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

dsheating1.synthasite.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

dsheating1.synthasite.com

23 ms

dsairheatinginc.com

148 ms

webfont.js

11 ms

jquery.min.js

28 ms

flyoutmenu.css

59 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dsheating1.synthasite.com, 23% (14 requests) were made to Dsairheatinginc.com and 8% (5 requests) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (597 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 282.0 kB (38%)

Content Size

746.3 kB

After Optimization

464.3 kB

In fact, the total size of Dsheating1.synthasite.com main page is 746.3 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. 40% of websites need less resources to load. Javascripts take 293.7 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 130.6 kB

  • Original 232.7 kB
  • After minification 228.7 kB
  • After compression 102.1 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 130.6 kB or 56% of the original size.

Image Optimization

-10%

Potential reduce by 21.3 kB

  • Original 216.6 kB
  • After minification 195.3 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. Ds Heating 1 Synthasite images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 127.7 kB

  • Original 293.7 kB
  • After minification 291.4 kB
  • After compression 166.0 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 127.7 kB or 43% of the original size.

CSS Optimization

-73%

Potential reduce by 2.4 kB

  • Original 3.3 kB
  • After minification 2.6 kB
  • After compression 897 B

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. Dsheating1.synthasite.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (52%)

Requests Now

50

After Optimization

24

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ds Heating 1 Synthasite. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

dsheating1.synthasite.com accessibility score

59

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

dsheating1.synthasite.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

dsheating1.synthasite.com SEO score

62

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dsheating1.synthasite.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dsheating1.synthasite.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

Open Graph description is not detected on the main page of Ds Heating 1 Synthasite. 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: