Report Summary

  • 62

    Performance

    Renders faster than
    78% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

solarthermietechnologie.de

Deutsche Solarthermie-Technologieplattform (DSTTP) | Bundesverband SolarwirtschaftBundesverband Solarwirtschaft

Page Load Speed

3.1 sec in total

First Response

449 ms

Resources Loaded

2.4 sec

Page Rendered

226 ms

solarthermietechnologie.de screenshot

About Website

Visit solarthermietechnologie.de now to see the best up-to-date Solarthermie Technologie content and also check out these interesting facts you probably never knew about solarthermietechnologie.de

Header: DSTTP Deutsche Solarthermie-Technologieplattform (DSTTP) In der Deutschen Solarthermie-Technologie Plattform (DSTTP) organisieren sich seit 2007 alle relevanten Akteure der Solarthermie-Indust...

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Key Findings

We analyzed Solarthermietechnologie.de page load time and found that the first response time was 449 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster. This domain responded with an error, which can significantly jeopardize Solarthermietechnologie.de rating and web reputation

Performance Metrics

solarthermietechnologie.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

449 ms

stylesheet_2752548691.css

478 ms

tipafriend_plus.css

585 ms

layout_technosol.css

690 ms

javascript_a06e9ca4c2.js

695 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Solarthermietechnologie.de and no external sources were called. The less responsive or slowest element that took the longest time to load (696 ms) belongs to the original domain Solarthermietechnologie.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.8 kB (44%)

Content Size

168.5 kB

After Optimization

94.7 kB

In fact, the total size of Solarthermietechnologie.de main page is 168.5 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. Only 10% of websites need less resources to load. Images take 80.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 18.7 kB

  • Original 23.4 kB
  • After minification 19.1 kB
  • After compression 4.7 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 4.3 kB, which is 18% 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 18.7 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 224 B

  • Original 80.6 kB
  • After minification 80.4 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. Solarthermie Technologie images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 1.9 kB

  • Original 2.5 kB
  • After minification 1.3 kB
  • After compression 588 B

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 1.9 kB or 76% of the original size.

CSS Optimization

-85%

Potential reduce by 52.9 kB

  • Original 61.9 kB
  • After minification 39.3 kB
  • After compression 9.0 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. Solarthermietechnologie.de needs all CSS files to be minified and compressed as it can save up to 52.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (60%)

Requests Now

25

After Optimization

10

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Solarthermie Technologie. 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 CSS and as a result speed up the page load time.

Accessibility Review

solarthermietechnologie.de accessibility score

77

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

solarthermietechnologie.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

solarthermietechnologie.de SEO score

79

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

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Solarthermietechnologie.de can be misinterpreted by Google and other search engines. Our service has detected that German 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 Solarthermietechnologie.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 Solarthermie Technologie. 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: