6.3 sec in total
467 ms
5.4 sec
521 ms
Welcome to en.spbstu.ru homepage info - get ready to check En Spb St U best content for Russia right away, or after learning these important things about en.spbstu.ru
Санкт-Петербургский Политехнический Университет Петра Великого
Visit en.spbstu.ruWe analyzed En.spbstu.ru page load time and found that the first response time was 467 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
en.spbstu.ru performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value22.2 s
0/100
25%
Value29.3 s
0/100
10%
Value920 ms
31/100
30%
Value0.557
13/100
15%
Value30.7 s
0/100
10%
467 ms
877 ms
263 ms
258 ms
435 ms
Our browser made a total of 114 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original En.spbstu.ru, 93% (106 requests) were made to English.spbstu.ru and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source English.spbstu.ru.
Page size can be reduced by 1.7 MB (25%)
6.8 MB
5.0 MB
In fact, the total size of En.spbstu.ru main page is 6.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.7 MB which makes up the majority of the site volume.
Potential reduce by 111.0 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 22.0 kB, which is 17% 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 111.0 kB or 85% of the original size.
Potential reduce by 106.0 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. En Spb St U images are well optimized though.
Potential reduce by 684.0 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 684.0 kB or 71% of the original size.
Potential reduce by 815.1 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. En.spbstu.ru needs all CSS files to be minified and compressed as it can save up to 815.1 kB or 87% of the original size.
Number of requests can be reduced by 44 (41%)
108
64
The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En Spb St U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
en.spbstu.ru
467 ms
english.spbstu.ru
877 ms
kernel_main0.css
263 ms
page_f579075120e3c9eb271af8268e89459e0.css
258 ms
template_2e89536c211724004bea63dc021031e40.css
435 ms
template_2e89536c211724004bea63dc021031e41.css
387 ms
template_2e89536c211724004bea63dc021031e42.css
417 ms
polytech-framework-color.css
423 ms
css
33 ms
footable.core.min.css
380 ms
footable.metro.css
414 ms
chosen.css
507 ms
settings.css
510 ms
layers.css
518 ms
navigation.css
524 ms
polytech-logo-en-small.svg
596 ms
polytech-logo-en-big.svg
598 ms
abiturientam.jpg
2048 ms
science.jpg
2175 ms
master_degree_programs.jpg
1157 ms
summer_study.jpg
1691 ms
university_foundation_progr.jpg
1166 ms
the.jpg
786 ms
387.jpg
1034 ms
328.jpg
1157 ms
326.jpg
1413 ms
315.jpg
1282 ms
286.jpg
1295 ms
269.jpg
1411 ms
267.jpg
1425 ms
248.jpg
1555 ms
231.jpg
1553 ms
221.jpg
1559 ms
48.jpg
1678 ms
158.jpg
1706 ms
47.jpg
1688 ms
44.jpg
1925 ms
41.jpg
1816 ms
jquery-1.11.2.min.js
1736 ms
jquery-ui.min.js
1754 ms
core.js
1706 ms
touch.js
1614 ms
dropdown.js
1657 ms
chosen.jquery.min.js
1675 ms
main.js
1706 ms
jquery.plugin.min.js
1708 ms
jquery.countdown.min.js
1750 ms
jquery.countdown-ru.js
1685 ms
kernel_main.js
1867 ms
template_d3678c118c713a15fd691bf05a780120.js
1746 ms
respond.min.js
1668 ms
modernizr.custom.js
1703 ms
external-plugins.js
1989 ms
politech-framework.js
1558 ms
selectivizr.min.js
1430 ms
footable.js
1308 ms
footable.sort.js
1307 ms
jquery.themepunch.tools.min.js
1307 ms
jquery.themepunch.revolution.min.js
1214 ms
revolution.extension.slideanims.min.js
1219 ms
revolution.extension.layeranimation.min.js
1108 ms
revolution.extension.navigation.min.js
1171 ms
custom.js
1368 ms
classie.js
1243 ms
js.cookie.js
1242 ms
uisearch.js
1240 ms
calendar.js
1122 ms
fontawesome-webfont.woff
1237 ms
custom-icons.woff
1111 ms
39.jpg
1095 ms
28.jpg
985 ms
10.jpg
932 ms
5.jpg
998 ms
2.jpg
978 ms
4.jpg
1047 ms
4.jpg
994 ms
33.jpg
1004 ms
1.jpg
1038 ms
9.jpg
919 ms
7.jpg
880 ms
1.jpg
997 ms
19.jpg
929 ms
159.jpg
1107 ms
35.jpg
1114 ms
17.jpg
1068 ms
h65a1608.jpg
1089 ms
40.jpg
930 ms
84.jpg
903 ms
ba.js
179 ms
83.jpg
895 ms
85.jpg
910 ms
p_tv.jpg
954 ms
p_tv.jpg
962 ms
8ff5728ce136d9a348ea29aeb489d3a1.jpg
1127 ms
c59249dda63c0de37b057f1f790a371a.jpg
1115 ms
8e57866c89749d122739a1cd3ba4b15c.jpg
996 ms
72.jpg
1008 ms
4d21bee36bf764d69f4b5a7e4a3b8c4f.jpg
970 ms
161.jpg
763 ms
5b17666c44ac859eb7fe49e6c9d56af3.jpg
839 ms
162.jpg
854 ms
mission_bg.png
1292 ms
analytics.js
66 ms
watch.js
64 ms
revolution.extension.video.min.js
780 ms
revolution.extension.actions.min.js
818 ms
revolution.extension.kenburn.min.js
826 ms
revolution.extension.migration.min.js
848 ms
revolution.extension.parallax.min.js
868 ms
bx_stat
214 ms
collect
17 ms
loader.gif
168 ms
revicons.woff
144 ms
ga.js
6 ms
en.spbstu.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.
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
en.spbstu.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
en.spbstu.ru SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise En.spbstu.ru can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that En.spbstu.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.
en.spbstu.ru
Open Graph description is not detected on the main page of En Spb St U. 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: