Tools & Wizards About Us
voltimum.at screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

voltimum.at

Das Informationsportal für Elektrotechniker | Voltimum

Page Load Speed

6.5 sec in total

First Response

130 ms

Resources Loaded

4 sec

Page Rendered

2.4 sec

voltimum.at screenshot

About Website

Click here to check amazing Voltimum content for Austria. Otherwise, check out these important facts you probably never knew about voltimum.at

Voltimum ist das führende Portal der Elektrobranche. Hier finden Installateure, Planer und Architekten Neuigkeiten und Informationen aus der Branche.

Visit voltimum.at

Key Findings

We analyzed Voltimum.at page load time and found that the first response time was 130 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

voltimum.at performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value530 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.106

88/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

Network Requests Diagram

voltimum.at

130 ms

voltimum.at

398 ms

www.voltimum.at

670 ms

2c1d4a0db7d5.js

807 ms

js

73 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 82% of them (72 requests) were addressed to the original Voltimum.at, 6% (5 requests) were made to Static.addtoany.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Voltimum.at.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.7 kB (7%)

Content Size

3.5 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Voltimum.at main page is 3.5 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 105.4 kB

  • Original 134.4 kB
  • After minification 126.0 kB
  • After compression 28.9 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 105.4 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 134.8 kB

  • Original 3.0 MB
  • After minification 2.9 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. Voltimum images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 298 B

  • Original 215.9 kB
  • After minification 215.8 kB
  • After compression 215.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 113 B

  • Original 81.6 kB
  • After minification 81.6 kB
  • After compression 81.5 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. Voltimum.at has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (32%)

Requests Now

77

After Optimization

52

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Voltimum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

voltimum.at

voltimum.at

130 ms

voltimum.at

voltimum.at

398 ms

www.voltimum.at

www.voltimum.at

670 ms

2c1d4a0db7d5.js

2c1d4a0db7d5.js

807 ms

js

js

73 ms

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15 ms

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23 ms

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399 ms

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29 ms

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35 ms

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33 ms

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41 ms

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57 ms

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44 ms

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51 ms

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63 ms

client

client

79 ms

js__ZiN4bg1dP2qzeB0M1SwNHbmYRiXNwfzXzaLdOaHnoIo__zGfJinw6UYXoYtKb0Tb-vBkyKsxplAdcuo4ZIS37keg__KZRJizLm_rHe_OUiMX7mAQqEteNlfxMKva0y22y8El8.js

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556 ms

main-logo.png

main-logo.png

63 ms

v.gif

v.gif

414 ms

sprite.png

sprite.png

57 ms

glyphicons-halflings-v1.png

glyphicons-halflings-v1.png

55 ms

logo-mobile.png

logo-mobile.png

57 ms

logo-scrollbar.png

logo-scrollbar.png

53 ms

menu_icon_2544.jpg

menu_icon_2544.jpg

54 ms

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57 ms

menu_icon_498.jpg

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602 ms

menu_icon_5565.png

menu_icon_5565.png

57 ms

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60 ms

main-nav-sprite.png

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59 ms

2024_se_post_640x340px_schaltanlagenbau.jpg

2024_se_post_640x340px_schaltanlagenbau.jpg

59 ms

lb2024480x361.jpg

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60 ms

titelbild_stromversorgung_compact.png

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621 ms

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v3_1697451470.jpeg

120 ms

energiemonitoring480x361_0.jpg

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120 ms

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119 ms

202404_voltimum_everloop_header_mit_text_1000x400.png

202404_voltimum_everloop_header_mit_text_1000x400.png

121 ms

voltimum_kw15_top_elektriker_480x361.jpg

voltimum_kw15_top_elektriker_480x361.jpg

121 ms

werkzeichnung_signet_wortmarke_nebeneinander_cmyk.jpg

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122 ms

aufmacherbild_mitteilung.jpg

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494 ms

bild1_14.jpg

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122 ms

ledvance-logo-positive_100x30.jpg

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123 ms

relax_enjoy_600x150.jpg

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123 ms

wago.png

wago.png

122 ms

mm-24206_09.02._special_advertising_content_voltimum_elektrikerkampagne_1.jpg

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476 ms

megger.png

megger.png

124 ms

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124 ms

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125 ms

adobestock_30128954.jpeg

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597 ms

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149 ms

normen_gold_2.jpg

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610 ms

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487 ms

normen_gold_1.jpg

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984 ms

normenat.jpg

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1347 ms

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1003 ms

1aFrIuYy2Ec.jpg

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970 ms

rad_at_wuttke.jpg

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978 ms

schneider_electric_100x30.jpg

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981 ms

signify_100x30.png

signify_100x30.png

942 ms

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1347 ms

nexans_100x30.jpg

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1457 ms

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1346 ms

OpenSans-Regular.woff

OpenSans-Regular.woff

938 ms

OpenSans-Medium.woff

OpenSans-Medium.woff

961 ms

OpenSans-Light.woff

OpenSans-Light.woff

961 ms

OpenSans-SemiBold.woff

OpenSans-SemiBold.woff

961 ms

OpenSans-Bold.woff

OpenSans-Bold.woff

987 ms

OpenSans-ExtraBold.woff

OpenSans-ExtraBold.woff

978 ms

icon-comment-18.png

icon-comment-18.png

986 ms

voltimum_registrierung_banner_30072015-4.gif

voltimum_registrierung_banner_30072015-4.gif

1545 ms

sdk.js

sdk.js

25 ms

OpenSans_SemiCondensed-Bold.woff

OpenSans_SemiCondensed-Bold.woff

1524 ms

OpenSans_SemiCondensed-Regular.woff

OpenSans_SemiCondensed-Regular.woff

1194 ms

diffuser.js

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45 ms

sdk.js

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18 ms

footer-divider.png

footer-divider.png

1207 ms

page.js

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53 ms

nav.gif

nav.gif

1580 ms

83 ms

prism.app-us1.com

prism.app-us1.com

98 ms

sm.25.html

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14 ms

eso.BRQnzO8v.js

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31 ms

de.js

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26 ms

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21 ms

graph.facebook.com

graph.facebook.com

90 ms

graph.facebook.com

graph.facebook.com

163 ms

Accessibility Review

voltimum.at accessibility score

72

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

voltimum.at best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

voltimum.at SEO score

85

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Voltimum.at 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 Voltimum.at 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

voltimum.at

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