6.5 sec in total
411 ms
5.8 sec
258 ms
Welcome to community.viessmann.com homepage info - get ready to check Community Viessmann best content for Turkey right away, or after learning these important things about community.viessmann.com
Wenn Sie Fragen haben, Informationen oder Hilfe rund um das Thema 'Heiztechnik' brauchen, sind Sie hier genau richtig.
Visit community.viessmann.comWe analyzed Community.viessmann.com page load time and found that the first response time was 411 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
community.viessmann.com performance score
name
value
score
weighting
Value3.7 s
30/100
10%
Value6.3 s
10/100
25%
Value7.5 s
26/100
10%
Value1,090 ms
24/100
30%
Value0.019
100/100
15%
Value10.3 s
25/100
10%
411 ms
2347 ms
66 ms
352 ms
192 ms
Our browser made a total of 135 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Community.viessmann.com, 35% (47 requests) were made to Viessmann.i.lithium.com and 21% (28 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Viessmann-community.com.
Page size can be reduced by 626.6 kB (45%)
1.4 MB
756.6 kB
In fact, the total size of Community.viessmann.com 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. 75% 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 601.2 kB which makes up the majority of the site volume.
Potential reduce by 102.2 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 102.2 kB or 80% of the original size.
Potential reduce by 20.3 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. Community Viessmann images are well optimized though.
Potential reduce by 165.9 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 165.9 kB or 67% of the original size.
Potential reduce by 338.2 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. Community.viessmann.com needs all CSS files to be minified and compressed as it can save up to 338.2 kB or 83% of the original size.
Number of requests can be reduced by 55 (43%)
127
72
The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Community Viessmann. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
community.viessmann.com
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community.viessmann.com accessibility score
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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
community.viessmann.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
community.viessmann.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Community.viessmann.com 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 Community.viessmann.com 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.
community.viessmann.com
Open Graph description is not detected on the main page of Community Viessmann. 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: