Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

dmsolar.com

Solar Panels, Grid Tie Solar Power Systems and Photovoltaic Cells!

Page Load Speed

1.4 sec in total

First Response

109 ms

Resources Loaded

1 sec

Page Rendered

262 ms

dmsolar.com screenshot

About Website

Visit dmsolar.com now to see the best up-to-date Dm Solar content for United States and also check out these interesting facts you probably never knew about dmsolar.com

USA made solar panels and photovoltaic products including solar cells, solar modules, CdTe thin film, grid-tie systems, off-grid kits, solar attic fans at factory direct price.

Visit dmsolar.com

Key Findings

We analyzed Dmsolar.com page load time and found that the first response time was 109 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

dmsolar.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value6.4 s

60/100

10%

Network Requests Diagram

www.dmsolar.com

109 ms

css-base.css

18 ms

css-element.css

16 ms

css-edits.css

19 ms

loader_536a99d.js

37 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 19% of them (6 requests) were addressed to the original Dmsolar.com, 34% (11 requests) were made to Ep.yimg.com and 6% (2 requests) were made to Top50-solar.de. The less responsive or slowest element that took the longest time to load (241 ms) relates to the external source Top50-solar.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 153.0 kB (49%)

Content Size

310.1 kB

After Optimization

157.1 kB

In fact, the total size of Dmsolar.com main page is 310.1 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. 35% of websites need less resources to load. Javascripts take 159.4 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 12.7 kB

  • Original 18.8 kB
  • After minification 18.6 kB
  • After compression 6.1 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 12.7 kB or 67% of the original size.

Image Optimization

-19%

Potential reduce by 22.1 kB

  • Original 117.7 kB
  • After minification 95.6 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, Dm Solar needs image optimization as it can save up to 22.1 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 106.8 kB

  • Original 159.4 kB
  • After minification 152.4 kB
  • After compression 52.7 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 106.8 kB or 67% of the original size.

CSS Optimization

-81%

Potential reduce by 11.5 kB

  • Original 14.2 kB
  • After minification 10.8 kB
  • After compression 2.7 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. Dmsolar.com needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 81% of the original size.

Requests Breakdown

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

Requests Now

31

After Optimization

18

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dm Solar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dmsolar.com accessibility score

73

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

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

dmsolar.com best practices score

75

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

SEO Factors

dmsolar.com SEO score

90

Search Engine Optimization Advices

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

    N/A

  • Language Claimed

    EN

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dmsolar.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Dmsolar.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

Open Graph description is not detected on the main page of Dm Solar. 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: