4.3 sec in total
828 ms
3 sec
419 ms
Welcome to schoolnano.ru homepage info - get ready to check Schoolnano best content for Russia right away, or after learning these important things about schoolnano.ru
Visit schoolnano.ruWe analyzed Schoolnano.ru page load time and found that the first response time was 828 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
schoolnano.ru performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value11.0 s
0/100
25%
Value8.2 s
20/100
10%
Value150 ms
94/100
30%
Value0.002
100/100
15%
Value8.6 s
37/100
10%
828 ms
374 ms
256 ms
259 ms
390 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 81% of them (51 requests) were addressed to the original Schoolnano.ru, 3% (2 requests) were made to Vkontakte.ru and 3% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Schoolnano.ru.
Page size can be reduced by 248.6 kB (55%)
451.8 kB
203.2 kB
In fact, the total size of Schoolnano.ru main page is 451.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 169.2 kB which makes up the majority of the site volume.
Potential reduce by 19.3 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 19.3 kB or 73% of the original size.
Potential reduce by 41.3 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. Obviously, Schoolnano needs image optimization as it can save up to 41.3 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 118.7 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 118.7 kB or 71% of the original size.
Potential reduce by 69.3 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. Schoolnano.ru needs all CSS files to be minified and compressed as it can save up to 69.3 kB or 79% of the original size.
Number of requests can be reduced by 33 (56%)
59
26
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schoolnano. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.
schoolnano.ru
828 ms
share.js
374 ms
node.css
256 ms
defaults.css
259 ms
system.css
390 ms
system-menus.css
262 ms
user.css
261 ms
content-module.css
262 ms
ckeditor.css
381 ms
ctools.css
386 ms
video_filter.css
390 ms
date.css
390 ms
datepicker.1.7.css
389 ms
jquery.timeentry.css
509 ms
poll.css
512 ms
drupalit.css
512 ms
filefield.css
520 ms
fivestar.css
520 ms
gallery_assist.css
516 ms
lightbox.css
636 ms
mollom.css
640 ms
og.css
640 ms
panels.css
645 ms
quiz.css
645 ms
vk_openapi.css
645 ms
forum.css
763 ms
views.css
768 ms
util-styles.css
769 ms
styles.css
1030 ms
js_5e0fd5f5fa34a5b871078c7fcca31c62.js
1417 ms
openapi.js
379 ms
css
71 ms
plusone.js
133 ms
bg-pat.png
321 ms
footer.png
194 ms
logo-wide.png
449 ms
socvk.png
193 ms
soctwitter.png
193 ms
socyoutube.png
194 ms
socfb.png
323 ms
lupa.gif
321 ms
4pcs-network.png
321 ms
4pcs-palmschool.png
448 ms
4pcs-eduprogs.png
446 ms
4pcs-summerschools.png
449 ms
08_1_0_0.png
449 ms
4pcs-network_0.png
449 ms
logohtweek16.jpg
576 ms
ps-header.png
576 ms
icon-about-student.png
580 ms
icon-about-teacher.png
579 ms
portalnano_logo.png
580 ms
logo-kosh.png
704 ms
sciencebox.png
831 ms
logo-fond.png
833 ms
openapi.js
270 ms
ga.js
30 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
60 ms
bdHGHleUa-ndQCOrdpfxfw.ttf
60 ms
__utm.gif
33 ms
cb=gapi.loaded_0
11 ms
collect
66 ms
btns.png
320 ms
schoolnano.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
Image elements do not have [alt] attributes
<input type="image"> elements do not have [alt] text
Links do not have a discernible name
schoolnano.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
schoolnano.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
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schoolnano.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 Schoolnano.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.
schoolnano.ru
Open Graph description is not detected on the main page of Schoolnano. 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: