3.7 sec in total
574 ms
2.7 sec
425 ms
Click here to check amazing Vcb Spb content for Russia. Otherwise, check out these important facts you probably never knew about vcb-spb.ru
У нас Вы можете приобрести интерактивное оборудование для детского сада или школы недорого. Оборудование имеет сертификат качества, соответствует ФГОС и СанПиН.
Visit vcb-spb.ruWe analyzed Vcb-spb.ru page load time and found that the first response time was 574 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
vcb-spb.ru performance score
name
value
score
weighting
Value2.8 s
55/100
10%
Value14.0 s
0/100
25%
Value7.9 s
23/100
10%
Value1,380 ms
16/100
30%
Value0.188
65/100
15%
Value15.8 s
6/100
10%
574 ms
125 ms
244 ms
367 ms
247 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 75% of them (49 requests) were addressed to the original Vcb-spb.ru, 11% (7 requests) were made to Cp.onicon.ru and 5% (3 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Vcb-spb.ru.
Page size can be reduced by 679.9 kB (31%)
2.2 MB
1.5 MB
In fact, the total size of Vcb-spb.ru main page is 2.2 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 12.2 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 12.2 kB or 68% of the original size.
Potential reduce by 61.9 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. Vcb Spb images are well optimized though.
Potential reduce by 526.0 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 526.0 kB or 67% of the original size.
Potential reduce by 79.8 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. Vcb-spb.ru needs all CSS files to be minified and compressed as it can save up to 79.8 kB or 75% of the original size.
Number of requests can be reduced by 21 (36%)
58
37
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vcb 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 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
vcb-spb.ru
574 ms
styles.less.css
125 ms
styles_articles_tpl.css
244 ms
jquery.min.js
367 ms
html5-3.7.0.js
247 ms
highslide.min.css
250 ms
highslide-full.packed.js
384 ms
flowplayer-3.2.9.min.js
247 ms
calendar.css
363 ms
ru.js
382 ms
cookie.js
382 ms
widgets.js
392 ms
calendar.packed.js
483 ms
feedback.factory.min.js
485 ms
bg.jpg
866 ms
analytics.js
40 ms
header.png
756 ms
sitebg.png
134 ms
logo.png
133 ms
search.png
131 ms
hovtop.png
134 ms
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503 ms
rbright.png
502 ms
1_0.png
262 ms
2.png
263 ms
3.png
386 ms
ml.png
384 ms
rbtop.png
634 ms
rbbot.png
512 ms
rbbg.png
621 ms
%D0%A0%D0%9F%D0%93%D0%9F.png
636 ms
6857821.png
645 ms
vote_button.png
724 ms
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752 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%B0.png
771 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%9E%D0%A0%D0%B0.png
765 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%B0%D0%A0%D0%95%D0%A0.png
780 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%B0%D0%9F%D0%A0.png
847 ms
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876 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%B0%D0%9D%D0%A0%D0%9E%D0%9B.png
872 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%B0%D0%95%D0%9D%D0%A0.png
896 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%9F%D0%95%D0%A0%D0%B0.png
902 ms
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907 ms
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970 ms
%D1%80%D0%B0%D0%BC%D0%BA%D0%B0%D0%9F%D0%9E%D0%90.png
999 ms
footer.png
999 ms
log.png
1016 ms
hit
252 ms
play-r.woff
1007 ms
roboto-b.woff
1015 ms
watch.js
444 ms
collect
15 ms
simple_loader.js
514 ms
loader.js
318 ms
mega.png
1056 ms
api.js
94 ms
e7661e34e86c9b167d055f5904dc015e.js
93 ms
advert.gif
85 ms
bootstrap.min.js
190 ms
1
85 ms
bootstrap.min.js
96 ms
onicon.site.min.css
95 ms
onicon.site.min.js
184 ms
onicon.site.min.css
192 ms
onicon.site.min.js
571 ms
vcb-spb.ru accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
vcb-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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
vcb-spb.ru 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 Vcb-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 Vcb-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.
vcb-spb.ru
Open Graph description is not detected on the main page of Vcb 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: