13.3 sec in total
296 ms
12.6 sec
436 ms
Visit school.imsider.ru now to see the best up-to-date School Imsider content for Russia and also check out these interesting facts you probably never knew about school.imsider.ru
Узнай, как открыть свою собственную прибыльную онлайн-школу и зарабатывать на своих (или чужих) знаниях
Visit school.imsider.ruWe analyzed School.imsider.ru page load time and found that the first response time was 296 ms and then it took 13 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
school.imsider.ru performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value11.8 s
0/100
25%
Value5.4 s
57/100
10%
Value2,110 ms
7/100
30%
Value0.033
100/100
15%
Value16.6 s
5/100
10%
296 ms
6078 ms
31 ms
16 ms
979 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original School.imsider.ru, 66% (55 requests) were made to Book.imsider.ru and 6% (5 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (6.1 sec) relates to the external source Book.imsider.ru.
Page size can be reduced by 380.8 kB (60%)
637.8 kB
257.0 kB
In fact, the total size of School.imsider.ru main page is 637.8 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. Javascripts take 340.9 kB which makes up the majority of the site volume.
Potential reduce by 103.9 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 103.9 kB or 78% of the original size.
Potential reduce by 4 B
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. School Imsider images are well optimized though.
Potential reduce by 209.2 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 209.2 kB or 61% of the original size.
Potential reduce by 67.7 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. School.imsider.ru needs all CSS files to be minified and compressed as it can save up to 67.7 kB or 78% of the original size.
Number of requests can be reduced by 49 (63%)
78
29
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of School Imsider. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
school.imsider.ru
296 ms
book.imsider.ru
6078 ms
css
31 ms
normalize.css
16 ms
flipclock_new.css
979 ms
reject.css
55 ms
jquery.fancybox.css
16 ms
social-likes.css
20 ms
main.css
22 ms
top100.jcn
397 ms
jquery-1.11.1.min.js
1018 ms
jquery.reject.js
5 ms
jquery.activity.min.js
6 ms
popup.js
1210 ms
jquery.fancybox.pack.js
8 ms
social-likes.min.js
28 ms
plugins.js
71 ms
jquery.validate.min.js
32 ms
flipclock.min.js
45 ms
prefixfree.min.js
4211 ms
api.js
29 ms
main2.js
47 ms
gtm.js
50 ms
background.jpg
49 ms
close_icon.png
13 ms
book.png
14 ms
timur-shakov.jpg
15 ms
sergey-balakirev.jpg
13 ms
user-1.jpg
15 ms
user-2.jpg
15 ms
user-3.jpg
15 ms
user-4.jpg
40 ms
user-5.jpg
41 ms
user-6.jpg
42 ms
texture.jpg
32 ms
icons.png
34 ms
person-input-icon.png
34 ms
email-input-icon.png
36 ms
button_orange_arrow.png
34 ms
counter_background.png
35 ms
button_orange_arrow_top.png
36 ms
footer_bg.jpg
36 ms
pfdintextcondpro-medium-webfont.woff
12 ms
pfdintextcondpro-medital-webfont.woff
5050 ms
pfdintextcondpro-lightitalic-webfont.woff
13 ms
top100.scn
146 ms
analytics.js
11 ms
watch.js
169 ms
rtrg
274 ms
fbds.js
100 ms
code.js
314 ms
linkid.js
11 ms
collect
11 ms
collect
64 ms
ga-audiences
79 ms
102 ms
122 ms
watch.js
436 ms
counter
156 ms
advert.gif
85 ms
1
85 ms
normalize.css
114 ms
flipclock_new.css
124 ms
reject.css
144 ms
jquery.fancybox.css
72 ms
social-likes.css
84 ms
main.css
92 ms
fql
127 ms
share_count
324 ms
book.imsider.ru
1085 ms
background_browser.gif
210 ms
browser_firefox.gif
204 ms
browser_chrome.gif
266 ms
browser_msie.gif
459 ms
browser_safari.gif
1321 ms
browser_opera.gif
424 ms
browser_gcf.gif
546 ms
clock-background.jpg
557 ms
dk
322 ms
share.php
161 ms
12922898
252 ms
tracker
235 ms
22 ms
school.imsider.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
school.imsider.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
school.imsider.ru SEO score
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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise School.imsider.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 School.imsider.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.
school.imsider.ru
Open Graph description is not detected on the main page of School Imsider. 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: