Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 0

    Best Practices

  • 77

    SEO

    Google-friendlier than
    36% of websites

dominionvacuum.com

Dominion Vacuum || Vacuum Cleaner Sales and Service

Page Load Speed

347 ms in total

First Response

142 ms

Resources Loaded

144 ms

Page Rendered

61 ms

dominionvacuum.com screenshot

About Website

Welcome to dominionvacuum.com homepage info - get ready to check Dominion Vacuum best content right away, or after learning these important things about dominionvacuum.com

Cana-Vac central vacuum systems, SEBO vacuums and other portables, plus vacuum accessories. Repairs and authorized warranty service for many brands.

Visit dominionvacuum.com

Key Findings

We analyzed Dominionvacuum.com page load time and found that the first response time was 142 ms and then it took 205 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

dominionvacuum.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.437

21/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

dominionvacuum.com

142 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Dominionvacuum.com and no external sources were called. The less responsive or slowest element that took the longest time to load (142 ms) belongs to the original domain Dominionvacuum.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.4 kB (5%)

Content Size

623.6 kB

After Optimization

591.1 kB

In fact, the total size of Dominionvacuum.com main page is 623.6 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 464.9 kB which makes up the majority of the site volume.

HTML Optimization

-14%

Potential reduce by 24 B

  • Original 177 B
  • After minification 177 B
  • After compression 153 B

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 24 B or 14% of the original size.

Image Optimization

-2%

Potential reduce by 7.6 kB

  • Original 464.9 kB
  • After minification 457.2 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. Dominion Vacuum images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 22.4 kB

  • Original 148.1 kB
  • After minification 148.1 kB
  • After compression 125.7 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 22.4 kB or 15% of the original size.

CSS Optimization

-23%

Potential reduce by 2.4 kB

  • Original 10.4 kB
  • After minification 10.4 kB
  • After compression 8.0 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. Dominionvacuum.com needs all CSS files to be minified and compressed as it can save up to 2.4 kB or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

dominionvacuum.com accessibility score

65

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

SEO Factors

dominionvacuum.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dominionvacuum.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 Dominionvacuum.com main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Dominion Vacuum. 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: