Tools & Wizards About Us
asol-solar.de screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

asol-solar.de

Ihr Partner für Solar, Photovoltaik und Ihre Solaranlage in Dortmund und ganz NRW

Page Load Speed

4.7 sec in total

First Response

325 ms

Resources Loaded

4.1 sec

Page Rendered

292 ms

asol-solar.de screenshot

About Website

Welcome to asol-solar.de homepage info - get ready to check Asol Solar best content right away, or after learning these important things about asol-solar.de

asol energy GmbH: Mehr als 1.500 installierte Solaranlagen. Der Partner für Solar, Photovoltaik und Ihre Solaranlage in Dortmund, Essen, Bochum, Hamm, Unna, Bottrop, Gelsenkirchen, Oberhausen, Herne u...

Visit asol-solar.de

Key Findings

We analyzed Asol-solar.de page load time and found that the first response time was 325 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

asol-solar.de performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.253

49/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

asol-energy.de

325 ms

www.asol-energy.de

483 ms

bundle.css

391 ms

bundle.js

796 ms

webfont-local.js

316 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Asol-solar.de, 5% (1 request) were made to Googletagmanager.com and 5% (1 request) were made to Daa.net. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Asol-energy.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 616.8 kB (25%)

Content Size

2.4 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Asol-solar.de main page is 2.4 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. 25% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 41.7 kB

  • Original 53.8 kB
  • After minification 53.7 kB
  • After compression 12.1 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 41.7 kB or 77% of the original size.

Image Optimization

-16%

Potential reduce by 322.3 kB

  • Original 2.0 MB
  • After minification 1.7 MB

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, Asol Solar needs image optimization as it can save up to 322.3 kB or 16% 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 148.4 kB

  • Original 220.3 kB
  • After minification 220.3 kB
  • After compression 71.9 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 148.4 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 104.3 kB

  • Original 125.9 kB
  • After minification 125.9 kB
  • After compression 21.6 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. Asol-solar.de needs all CSS files to be minified and compressed as it can save up to 104.3 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Asol Solar. According to our analytics all requests are already optimized.

Network Requests Diagram

asol-energy.de

asol-energy.de

325 ms

www.asol-energy.de

www.asol-energy.de

483 ms

bundle.css

bundle.css

391 ms

bundle.js

bundle.js

796 ms

webfont-local.js

webfont-local.js

316 ms

js

js

60 ms

blue

blue

472 ms

asol-energy-rzk.jpg

asol-energy-rzk.jpg

114 ms

magnifier.png

magnifier.png

112 ms

header_neu_02-large.jpg

header_neu_02-large.jpg

302 ms

header_neu_01-large.png

header_neu_01-large.png

734 ms

header_neu_12-large.png

header_neu_12-large.png

604 ms

rn-bericht-april-2022.png

rn-bericht-april-2022.png

2141 ms

ruhrwirtschaft.jpg

ruhrwirtschaft.jpg

557 ms

bsw-logo.png

bsw-logo.png

313 ms

nabu.jpg

nabu.jpg

416 ms

tesla-zertifikat-01.jpg

tesla-zertifikat-01.jpg

554 ms

csm_logo_sma-solar-fachpartner_rechts_0dcdf2b29f.png

csm_logo_sma-solar-fachpartner_rechts_0dcdf2b29f.png

528 ms

csm_hqc_embedded-solarcalc_300x250_statisch_4e7d31868c.jpg

csm_hqc_embedded-solarcalc_300x250_statisch_4e7d31868c.jpg

665 ms

ibc_fachpartner.jpg

ibc_fachpartner.jpg

785 ms

anlage_25a-306.jpg

anlage_25a-306.jpg

699 ms

anlage_39-306.jpg

anlage_39-306.jpg

719 ms

Accessibility Review

asol-solar.de accessibility score

90

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

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

asol-solar.de 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

asol-solar.de SEO score

92

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

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Asol-solar.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Asol-solar.de 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

asol-solar.de

Open Graph data is detected on the main page of Asol Solar. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: