Tools & Wizards About Us
saarwave.de screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

saarwave.de

siebenundvierzig INGsiebenundvierzig ING - KNX Systemintegrator - Gebäudesystemtechnik - intelligente Gebäudetechnik – KNX Systemintegration

Page Load Speed

2.4 sec in total

First Response

316 ms

Resources Loaded

2 sec

Page Rendered

148 ms

saarwave.de screenshot

About Website

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

siebenundvierzig ist Ihr KNX Systemintegrator für die professionelle Planung und Realisierung von smarten Gebäuden. Lernen Sie uns kennen!

Visit saarwave.de

Key Findings

We analyzed Saarwave.de page load time and found that the first response time was 316 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

saarwave.de performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value480 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.039

99/100

15%

TTI (Time to Interactive)

Value11.0 s

20/100

10%

Network Requests Diagram

saarwave.de

316 ms

www.mtc-infomedia.de

640 ms

style.css

102 ms

spamspan.js

201 ms

re_.js

22 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Saarwave.de, 75% (21 requests) were made to Mtc-infomedia.de and 11% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (640 ms) relates to the external source Mtc-infomedia.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.2 kB (29%)

Content Size

277.3 kB

After Optimization

197.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Saarwave.de main page is 277.3 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. 20% of websites need less resources to load. Images take 209.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 7.5 kB

  • Original 9.3 kB
  • After minification 7.1 kB
  • After compression 1.8 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 2.1 kB, which is 23% 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 7.5 kB or 80% of the original size.

Image Optimization

-20%

Potential reduce by 42.5 kB

  • Original 209.3 kB
  • After minification 166.8 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, Saarwave needs image optimization as it can save up to 42.5 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 28.5 kB

  • Original 56.6 kB
  • After minification 47.8 kB
  • After compression 28.0 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 28.5 kB or 50% of the original size.

CSS Optimization

-76%

Potential reduce by 1.7 kB

  • Original 2.2 kB
  • After minification 1.6 kB
  • After compression 516 B

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. Saarwave.de needs all CSS files to be minified and compressed as it can save up to 1.7 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (19%)

Requests Now

26

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Saarwave. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

saarwave.de

saarwave.de

316 ms

www.mtc-infomedia.de

www.mtc-infomedia.de

640 ms

style.css

style.css

102 ms

spamspan.js

spamspan.js

201 ms

re_.js

re_.js

22 ms

tracker.js.php

tracker.js.php

211 ms

@.png

@.png

102 ms

home_lnk.jpeg

home_lnk.jpeg

300 ms

comanet_lnk.jpeg

comanet_lnk.jpeg

301 ms

itservice_lnk.jpeg

itservice_lnk.jpeg

300 ms

hosting_lnk.jpeg

hosting_lnk.jpeg

302 ms

devel_lnk.jpeg

devel_lnk.jpeg

301 ms

about_lnk.jpeg

about_lnk.jpeg

406 ms

home.html

home.html

181 ms

high_dash_line.jpeg

high_dash_line.jpeg

181 ms

logo_main.jpeg

logo_main.jpeg

183 ms

sub_logo.jpeg

sub_logo.jpeg

189 ms

bg_txt_left.jpeg

bg_txt_left.jpeg

287 ms

dash_line.jpeg

dash_line.jpeg

277 ms

bg_txt_right.jpeg

bg_txt_right.jpeg

373 ms

ga.js

ga.js

32 ms

woopra.js

woopra.js

62 ms

__utm.gif

__utm.gif

12 ms

204 ms

iframe.css

iframe.css

102 ms

frames.js

frames.js

110 ms

__utm.gif

__utm.gif

11 ms

bg_txt_mid.jpeg

bg_txt_mid.jpeg

301 ms

Accessibility Review

saarwave.de accessibility score

78

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.

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

saarwave.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

saarwave.de SEO score

100

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

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 Saarwave.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 Saarwave.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

saarwave.de

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