4.2 sec in total
14 ms
3.6 sec
657 ms
Visit dsairheating.com now to see the best up-to-date Ds Air Heating content and also check out these interesting facts you probably never knew about dsairheating.com
D's Air and Heating, Inc. serving Chicago 60624. $0 interest customer financing available or get up to $1700 in rebates. Lennox Heating and Air Conditiponing Systems 60624.Business shirts, polo. ...
Visit dsairheating.comWe analyzed Dsairheating.com page load time and found that the first response time was 14 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
dsairheating.com performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value4.0 s
51/100
25%
Value10.0 s
9/100
10%
Value4,150 ms
1/100
30%
Value0.141
78/100
15%
Value28.7 s
0/100
10%
14 ms
40 ms
17 ms
17 ms
66 ms
Our browser made a total of 173 requests to load all elements on the main page. We found that 15% of them (26 requests) were addressed to the original Dsairheating.com, 20% (35 requests) were made to Google.com and 6% (11 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (607 ms) relates to the external source Dyn.yelpcdn.com.
Page size can be reduced by 1.7 MB (30%)
5.6 MB
4.0 MB
In fact, the total size of Dsairheating.com main page is 5.6 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. 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 3.1 MB which makes up the majority of the site volume.
Potential reduce by 161.5 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 161.5 kB or 68% of the original size.
Potential reduce by 39.0 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. Ds Air Heating images are well optimized though.
Potential reduce by 1.2 MB
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 1.2 MB or 63% of the original size.
Potential reduce by 319.0 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. Dsairheating.com needs all CSS files to be minified and compressed as it can save up to 319.0 kB or 68% of the original size.
Number of requests can be reduced by 94 (59%)
158
64
The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ds Air Heating. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 61 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
dsairheating.com
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dsairheating.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
<html> element does not have a [lang] attribute
dsairheating.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
dsairheating.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
Document uses legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dsairheating.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 Dsairheating.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.
dsairheating.com
Open Graph description is not detected on the main page of Ds Air Heating. 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: