Tools & Wizards About Us
dellsheatingandair.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dellsheatingandair.com

Dell's Heating and Air

Page Load Speed

6.2 sec in total

First Response

2.6 sec

Resources Loaded

3.6 sec

Page Rendered

67 ms

dellsheatingandair.com screenshot

About Website

Visit dellsheatingandair.com now to see the best up-to-date Dell S Heating And Air content and also check out these interesting facts you probably never knew about dellsheatingandair.com

Dell's Heating & Air HVAC - Air Conditioning, Heating, Ventilatilation Maintenance & Repair. Serving Tracy, California and surrounding areas.

Visit dellsheatingandair.com

Key Findings

We analyzed Dellsheatingandair.com page load time and found that the first response time was 2.6 sec and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

dellsheatingandair.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

www.dellsheatingandair.com

2561 ms

originTrials.41d7301a.bundle.min.js

34 ms

minified.js

38 ms

focus-within-polyfill.js

35 ms

polyfill.min.js

85 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dellsheatingandair.com, 33% (16 requests) were made to Static.parastorage.com and 25% (12 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Dellsheatingandair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 274.2 kB (40%)

Content Size

679.1 kB

After Optimization

404.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dellsheatingandair.com main page is 679.1 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. 40% of websites need less resources to load. HTML takes 344.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 254.4 kB

  • Original 344.7 kB
  • After minification 343.0 kB
  • After compression 90.4 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 254.4 kB or 74% of the original size.

Image Optimization

-14%

Potential reduce by 14.4 kB

  • Original 103.2 kB
  • After minification 88.8 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, Dell S Heating And Air needs image optimization as it can save up to 14.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 5.3 kB

  • Original 229.9 kB
  • After minification 229.3 kB
  • After compression 224.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 168 B

  • Original 1.2 kB
  • After minification 1.2 kB
  • After compression 1.1 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. Dellsheatingandair.com needs all CSS files to be minified and compressed as it can save up to 168 B or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (42%)

Requests Now

31

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dell S Heating And Air. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.dellsheatingandair.com

www.dellsheatingandair.com

2561 ms

originTrials.41d7301a.bundle.min.js

originTrials.41d7301a.bundle.min.js

34 ms

minified.js

minified.js

38 ms

focus-within-polyfill.js

focus-within-polyfill.js

35 ms

polyfill.min.js

polyfill.min.js

85 ms

cookieconsent.min.css

cookieconsent.min.css

116 ms

cookieconsent.min.js

cookieconsent.min.js

120 ms

thunderbolt-commons.24e46262.bundle.min.js

thunderbolt-commons.24e46262.bundle.min.js

67 ms

main.544019c6.bundle.min.js

main.544019c6.bundle.min.js

68 ms

lodash.min.js

lodash.min.js

66 ms

react.production.min.js

react.production.min.js

65 ms

react-dom.production.min.js

react-dom.production.min.js

66 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

67 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

68 ms

upsnappixel.js

upsnappixel.js

86 ms

ee19d0_9dfb2ae6dfc84145b9609f0f8a684185.png

ee19d0_9dfb2ae6dfc84145b9609f0f8a684185.png

299 ms

ee19d0_01351c4f97d2496d98e96ad66cb98201.jpg

ee19d0_01351c4f97d2496d98e96ad66cb98201.jpg

569 ms

ee19d0_39145b86e6b844d18a1f2f876ffddd6e.jpg

ee19d0_39145b86e6b844d18a1f2f876ffddd6e.jpg

581 ms

ee19d0_c522769fa61a4bb09e3e169f332ec65a.png

ee19d0_c522769fa61a4bb09e3e169f332ec65a.png

611 ms

ee19d0_49b8fe3488624e3fa829874fcda1d2b5.jpg

ee19d0_49b8fe3488624e3fa829874fcda1d2b5.jpg

530 ms

ee19d0_5be18c24c9264200ac9ee8c7310729ba.jpg

ee19d0_5be18c24c9264200ac9ee8c7310729ba.jpg

467 ms

ee19d0_32e82bc4b7e945219c868fc0c64868d4.png

ee19d0_32e82bc4b7e945219c868fc0c64868d4.png

552 ms

ee19d0_b5900bc02686491884a2a1da09c02f3a.jpg

ee19d0_b5900bc02686491884a2a1da09c02f3a.jpg

771 ms

ee19d0_ace115cc9d8941369e96cd5ede347966.png

ee19d0_ace115cc9d8941369e96cd5ede347966.png

792 ms

ee19d0_b966afe2faf844dc8cf39f76055d918c.png

ee19d0_b966afe2faf844dc8cf39f76055d918c.png

735 ms

ee19d0_a3d035d66ab1495da8f23a91daf9fc21.png

ee19d0_a3d035d66ab1495da8f23a91daf9fc21.png

784 ms

ee19d0_fcca79f76a8a442f8ee235a9bccc0022.png

ee19d0_fcca79f76a8a442f8ee235a9bccc0022.png

762 ms

bundle.min.js

bundle.min.js

43 ms

141 ms

139 ms

144 ms

138 ms

135 ms

133 ms

185 ms

185 ms

184 ms

181 ms

175 ms

184 ms

advisor

advisor

39 ms

4021a3b9-f782-438b-aeb4-c008109a8b64.woff

4021a3b9-f782-438b-aeb4-c008109a8b64.woff

10 ms

b56b944e-bbe0-4450-a241-de2125d3e682.woff

b56b944e-bbe0-4450-a241-de2125d3e682.woff

10 ms

6f8d1983-4d34-4fa4-9110-988f6c495757.woff

6f8d1983-4d34-4fa4-9110-988f6c495757.woff

6 ms

deprecation-en.v5.html

deprecation-en.v5.html

7 ms

bolt-performance

bolt-performance

20 ms

deprecation-style.v5.css

deprecation-style.v5.css

6 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

dellsheatingandair.com accessibility score

83

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

dellsheatingandair.com best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dellsheatingandair.com SEO score

77

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dellsheatingandair.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 Dellsheatingandair.com main page’s claimed encoding is us-ascii. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

dellsheatingandair.com

Open Graph data is detected on the main page of Dell S Heating And Air. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: