Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

solarcontact.de

Solar – Verbraucherportal zu Solaranlagen & Solarenergie ☀

Page Load Speed

25.3 sec in total

First Response

837 ms

Resources Loaded

23 sec

Page Rendered

1.4 sec

solarcontact.de screenshot

About Website

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

Alle Informationen zum Thema Photovoltaik & Solarthermie. Holen Sie sich unverbindlich Kostenvoranschläge für Solaranlagen in Ihrer Stadt ein. ✔

Visit solarcontact.de

Key Findings

We analyzed Solarcontact.de page load time and found that the first response time was 837 ms and then it took 24.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

solarcontact.de performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.138

79/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

solarcontact.de

837 ms

de.solarcontact.com

1676 ms

css

253 ms

main.css

504 ms

RTA.js

175 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Solarcontact.de, 18% (11 requests) were made to Cdn.daa.net and 16% (10 requests) were made to Dmp.theadex.com. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Eu-gmtdmp.gd1.mookie1.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 524.9 kB (37%)

Content Size

1.4 MB

After Optimization

890.7 kB

In fact, the total size of Solarcontact.de main page is 1.4 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. 40% of websites need less resources to load. Images take 808.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 71.3 kB

  • Original 89.9 kB
  • After minification 72.7 kB
  • After compression 18.7 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. This page needs HTML code to be minified as it can gain 17.2 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 71.3 kB or 79% of the original size.

Image Optimization

-8%

Potential reduce by 62.0 kB

  • Original 808.2 kB
  • After minification 746.1 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. Solar Contact images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 155.8 kB

  • Original 249.2 kB
  • After minification 248.8 kB
  • After compression 93.4 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 155.8 kB or 63% of the original size.

CSS Optimization

-88%

Potential reduce by 235.8 kB

  • Original 268.3 kB
  • After minification 267.4 kB
  • After compression 32.5 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. Solarcontact.de needs all CSS files to be minified and compressed as it can save up to 235.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (54%)

Requests Now

48

After Optimization

22

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Solar Contact. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

solarcontact.de accessibility score

92

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.

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

ARIA IDs are not unique

Best Practices

solarcontact.de 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

solarcontact.de SEO score

87

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Solarcontact.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 Solarcontact.de main page’s claimed encoding is iso-8859-1. 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 Solar Contact. 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: