8.3 sec in total
557 ms
4.3 sec
3.5 sec
Visit barsic.spbu.ru now to see the best up-to-date Barsic Spbu content for Russia and also check out these interesting facts you probably never knew about barsic.spbu.ru
Visit barsic.spbu.ruWe analyzed Barsic.spbu.ru page load time and found that the first response time was 557 ms and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
barsic.spbu.ru performance score
name
value
score
weighting
Value2.0 s
84/100
10%
Value2.0 s
97/100
25%
Value2.6 s
97/100
10%
Value40 ms
100/100
30%
Value0.051
99/100
15%
Value3.8 s
90/100
10%
557 ms
1110 ms
1171 ms
487 ms
348 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Barsic.spbu.ru, 75% (44 requests) were made to Distolymp2.spbu.ru and 8% (5 requests) were made to Openstat.net. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Distolymp2.spbu.ru.
Page size can be reduced by 135.8 kB (9%)
1.6 MB
1.5 MB
In fact, the total size of Barsic.spbu.ru main page is 1.6 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 89.2 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 89.2 kB or 78% of the original size.
Potential reduce by 35.2 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. Barsic Spbu images are well optimized though.
Potential reduce by 11.5 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 11.5 kB or 26% of the original size.
Number of requests can be reduced by 3 (6%)
54
51
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Barsic Spbu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
barsic.spbu.ru
557 ms
1110 ms
logo_spbu_.jpg
1171 ms
logo_ifmo.jpg
487 ms
eurecalogo75.gif
348 ms
logo_ni.gif
353 ms
logo_tajpit.jpg
910 ms
YL.gif
678 ms
tipogr_logo.gif
537 ms
logo_tranzas.gif
675 ms
physlab.gif
530 ms
scgraph_.png
568 ms
physlab2.gif
730 ms
physlab3.gif
752 ms
rsr.jpg
760 ms
phys.png
778 ms
ifmo_olymp.jpg
1084 ms
bg.gif
941 ms
ban-2.gif
791 ms
bn1.jpg
415 ms
1.jpg
749 ms
2.jpg
599 ms
3.jpg
760 ms
4.jpg
748 ms
5.jpg
751 ms
6.jpg
810 ms
DSC_0003m.jpg
1538 ms
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1783 ms
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1802 ms
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1820 ms
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1960 ms
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1398 ms
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2095 ms
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2202 ms
fig1.png
1946 ms
fig2.png
1958 ms
fig3.png
1980 ms
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2087 ms
fig5.png
2100 ms
fig6.png
2492 ms
fig7.png
2135 ms
2012_11_1.jpg
2238 ms
2012_11_2.jpg
2219 ms
cnt.js
385 ms
2012_11_3.jpg
2221 ms
quant.js
96 ms
ga.js
185 ms
watch.js
0 ms
pixel;r=2072324597;a=p-ZbRhGTckSZYGr;fpan=1;fpa=P0-659211532-1460128618752;ns=0;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1460128618751;tzo=-180;ref=;url=http%3A%2F%2Fdistolymp2.spbu.ru%2Folymp%2F;ogl=
149 ms
2012_11_4.jpg
2119 ms
2012_11_5.jpg
2409 ms
logo_ITO_88x31-2012.gif
2248 ms
__utm.gif
76 ms
2303106.js
168 ms
87.gif
139 ms
cnt
280 ms
counter
367 ms
f.gif
130 ms
pixel
76 ms
barsic.spbu.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.
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
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.
barsic.spbu.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Browser errors were logged to the console
barsic.spbu.ru SEO score
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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Barsic.spbu.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Barsic.spbu.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.
barsic.spbu.ru
Open Graph description is not detected on the main page of Barsic Spbu. 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: