4.4 sec in total
521 ms
3.5 sec
367 ms
Welcome to buderus-spb.ru homepage info - get ready to check Buderus Spb best content for Russia right away, or after learning these important things about buderus-spb.ru
Котельное оборудование, котлы Buderus - водонагреватели, бойлеры, дизельные и газовые котлы, котлы на твердом топливе, горелки и радиаоторы отопления - котельное оборудование для отопления дома от вед...
Visit buderus-spb.ruWe analyzed Buderus-spb.ru page load time and found that the first response time was 521 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
buderus-spb.ru performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value6.0 s
12/100
25%
Value8.0 s
22/100
10%
Value1,060 ms
25/100
30%
Value0.324
35/100
15%
Value10.1 s
26/100
10%
521 ms
538 ms
737 ms
39 ms
130 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 64% of them (38 requests) were addressed to the original Buderus-spb.ru, 12% (7 requests) were made to Fonts.gstatic.com and 8% (5 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Buderus-spb.ru.
Page size can be reduced by 228.1 kB (20%)
1.1 MB
906.4 kB
In fact, the total size of Buderus-spb.ru main page is 1.1 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. Javascripts take 470.8 kB which makes up the majority of the site volume.
Potential reduce by 34.2 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. This page needs HTML code to be minified as it can gain 9.7 kB, which is 22% 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 34.2 kB or 78% of the original size.
Potential reduce by 1.6 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. Buderus Spb images are well optimized though.
Potential reduce by 12.6 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.
Potential reduce by 179.6 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. Buderus-spb.ru needs all CSS files to be minified and compressed as it can save up to 179.6 kB or 76% of the original size.
Number of requests can be reduced by 26 (54%)
48
22
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buderus Spb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
buderus-spb.ru
521 ms
buderus-spb.ru
538 ms
www.buderus-spb.ru
737 ms
jquery.min.js
39 ms
load.js
130 ms
template_8f1881fc1060b795e94c8e1f06b69daa_v1.css
389 ms
core.js
760 ms
kernel_main_v1.js
548 ms
dexie3.bundle.js
539 ms
core_ls.js
422 ms
core_frame_cache.js
519 ms
template_b72b4afbad4076dad70e9a052e7b9a34_v1.js
553 ms
css2
51 ms
lightbox.js
666 ms
lightbox.css
650 ms
jquery.fancybox.min.css
668 ms
bootstrap4.min.css
1052 ms
flexslider.css
683 ms
flexslider.js
785 ms
jquery.fancybox.min.js
1110 ms
main.js
798 ms
api.js
74 ms
watch.js
1 ms
www.buderus-spb.ru
744 ms
ba.js
309 ms
close.png
131 ms
loading.gif
131 ms
prev.png
128 ms
next.png
128 ms
mobile-logo.jpg
132 ms
header-bg.jpg
448 ms
Logo.jpg
263 ms
seacrh_button_icon.png
263 ms
bannerBuderus.jpg
392 ms
Buderus_logo.jpg
286 ms
Logamax_plus_GB172i.png
394 ms
dizelnye-kotly-buderus.png
381 ms
kombinie.png
383 ms
elektro.png
522 ms
Logano_G124_G234_WS.png
513 ms
Logamatic_RC310_v2.png
517 ms
Logamax_plus_GB122i.png
523 ms
logo-55x5.png
525 ms
KFOmCnqEu92Fr1Me5Q.ttf
25 ms
KFOlCnqEu92Fr1MmEU9vAw.ttf
32 ms
KFOlCnqEu92Fr1MmSU5vAw.ttf
41 ms
KFOlCnqEu92Fr1MmWUlvAw.ttf
43 ms
recaptcha__en.js
35 ms
anchor
62 ms
styles__ltr.css
5 ms
recaptcha__en.js
12 ms
EghGp72f3L_y9HVk4Nn8Vk_BAMWB9fGIEzP3DzvQDW8.js
31 ms
webworker.js
62 ms
logo_48.png
19 ms
KFOmCnqEu92Fr1Mu4mxP.ttf
26 ms
KFOlCnqEu92Fr1MmEU9fBBc9.ttf
27 ms
KFOlCnqEu92Fr1MmYUtfBBc9.ttf
28 ms
recaptcha__en.js
26 ms
css
23 ms
buderus-spb.ru 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
[aria-*] attributes do not have valid values
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
Links do not have a discernible name
buderus-spb.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
Page has valid source maps
buderus-spb.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buderus-spb.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Buderus-spb.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.
buderus-spb.ru
Open Graph description is not detected on the main page of Buderus Spb. 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: