4.2 sec in total
611 ms
3.2 sec
460 ms
Visit centrsna.by now to see the best up-to-date Centrsna content for Russia and also check out these interesting facts you probably never knew about centrsna.by
Медицинский центр ★Центр здорового сна★ предлагает услуги по сомнологии✔, кардиологии✔, неврологии✔, психотерапии✔ и другим ключевым медицинским направлениям. Диагностика и лечение проводятся с исполь...
Visit centrsna.byWe analyzed Centrsna.by page load time and found that the first response time was 611 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
centrsna.by performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value6.1 s
12/100
25%
Value8.5 s
18/100
10%
Value190 ms
91/100
30%
Value0.039
100/100
15%
Value13.0 s
12/100
10%
611 ms
316 ms
474 ms
39 ms
321 ms
Our browser made a total of 93 requests to load all elements on the main page. We found that 45% of them (42 requests) were addressed to the original Centrsna.by, 15% (14 requests) were made to Fonts.gstatic.com and 14% (13 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Centrsna.by.
Page size can be reduced by 1.0 MB (33%)
3.2 MB
2.1 MB
In fact, the total size of Centrsna.by main page is 3.2 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 23.6 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 23.6 kB or 74% of the original size.
Potential reduce by 21.6 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. Centrsna images are well optimized though.
Potential reduce by 842.7 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 842.7 kB or 71% of the original size.
Potential reduce by 159.9 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. Centrsna.by needs all CSS files to be minified and compressed as it can save up to 159.9 kB or 75% of the original size.
Number of requests can be reduced by 29 (38%)
77
48
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrsna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
centrsna.by
611 ms
style.css
316 ms
engine.css
474 ms
css
39 ms
font-awesome.css
321 ms
animate.css
323 ms
embed
103 ms
jquery.js
474 ms
jqueryui.js
477 ms
dle_js.js
469 ms
jquery.nicescroll.js
625 ms
jquery.flexslider.js
473 ms
jquery.jcarousellite.js
621 ms
ui.js
622 ms
es5-shims.min.js
24 ms
share.js
29 ms
logo.png
628 ms
1446665450_2013061110754.jpg
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1446661128_201302149347c6eb.jpg
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206c6eb.jpg
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c1.png
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c2.png
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c4.png
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c5.png
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js
55 ms
init_embed.js
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edit.css
629 ms
1458234723_2016030201.jpg
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slide1.png
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slide2.png
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slide3.png
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slide5.png
645 ms
slide6.png
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slide7.png
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slide8.png
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slide9.png
1272 ms
title1.png
865 ms
reviews.jpg
960 ms
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799 ms
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956 ms
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956 ms
fontawesome-webfont.woff
1073 ms
RjgO7rYTmqiVp7vzi-Q5UaCWcynf_cDxXwCLxiixG1c.ttf
89 ms
DXI1ORHCpsQm3Vp6mXoaTfOEPOIfcPv-fZ-WyMUtx48.ttf
88 ms
MTP_ySUJH_bn48VBG8sNSvOEPOIfcPv-fZ-WyMUtx48.ttf
90 ms
k3k702ZOKiLJc3WVjuplzPOEPOIfcPv-fZ-WyMUtx48.ttf
88 ms
EInbV5DfGHOiMmvb1Xr-hvOEPOIfcPv-fZ-WyMUtx48.ttf
90 ms
xjAJXh38I15wypJXxuGMBpp-63r6doWhTEbsfBIRJ7A.ttf
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PRmiXeptR36kaC0GEAetxtONiand8nA-NYovvvDqHVE.ttf
89 ms
watch.js
509 ms
common.js
42 ms
map.js
42 ms
google4.png
105 ms
overlay.js
102 ms
util.js
97 ms
onion.js
96 ms
search_impl.js
96 ms
stats.js
44 ms
StaticMapService.GetMapImage
97 ms
openhand_8_8.cur
68 ms
ViewportInfoService.GetViewportInfo
82 ms
ViewportInfoService.GetViewportInfo
73 ms
kh
200 ms
transparent.png
36 ms
controls.js
33 ms
css
168 ms
entity11.png
100 ms
vt
111 ms
vt
105 ms
vt
101 ms
vt
116 ms
vt
115 ms
vt
100 ms
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102 ms
mapcnt6.png
63 ms
sv5.png
89 ms
tmapctrl.png
64 ms
advert.gif
88 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
22 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
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32 ms
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38 ms
AuthenticationService.Authenticate
15 ms
1
91 ms
centrsna.by accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
centrsna.by best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
centrsna.by 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
Tap targets are not sized appropriately
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrsna.by 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 Centrsna.by 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.
centrsna.by
Open Graph description is not detected on the main page of Centrsna. 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: