4.4 sec in total
996 ms
3.2 sec
220 ms
Visit viessmann-rus.ru now to see the best up-to-date Viessmann Rus content for Russia and also check out these interesting facts you probably never knew about viessmann-rus.ru
Котлы viessmann - надежные газовые котлы viessmann и другое климатическое оборудование. Компания viessmann - крупнейший производитель систем отопления - котлы, водонагреватели, автоматика управления.
Visit viessmann-rus.ruWe analyzed Viessmann-rus.ru page load time and found that the first response time was 996 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
viessmann-rus.ru performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value9.6 s
0/100
25%
Value7.3 s
29/100
10%
Value3,920 ms
1/100
30%
Value0.446
20/100
15%
Value9.8 s
28/100
10%
996 ms
256 ms
249 ms
252 ms
268 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 91% of them (83 requests) were addressed to the original Viessmann-rus.ru, 3% (3 requests) were made to Mc.yandex.ru and 2% (2 requests) were made to Neocomms.ru. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Viessmann-rus.ru.
Page size can be reduced by 991.8 kB (53%)
1.9 MB
863.5 kB
In fact, the total size of Viessmann-rus.ru main page is 1.9 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 36.8 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. 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 36.8 kB or 80% of the original size.
Potential reduce by 438.5 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, Viessmann Rus needs image optimization as it can save up to 438.5 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 310.7 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 310.7 kB or 69% of the original size.
Potential reduce by 205.8 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. Viessmann-rus.ru needs all CSS files to be minified and compressed as it can save up to 205.8 kB or 82% of the original size.
Number of requests can be reduced by 38 (44%)
87
49
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viessmann Rus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
viessmann-rus.ru
996 ms
bootstrap335.min.css
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font-awesome.min.css
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bootstrap-theme.css
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boot-custom.css
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toastr.min.css
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owl.carousel.css
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772 ms
viessmann-rus.ru accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
viessmann-rus.ru 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
viessmann-rus.ru SEO score
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
RU
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Viessmann-rus.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Viessmann-rus.ru 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.
viessmann-rus.ru
Open Graph description is not detected on the main page of Viessmann Rus. 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: