4.2 sec in total
441 ms
3.5 sec
290 ms
Visit chel-edu.ru now to see the best up-to-date Chel Edu content for Russia and also check out these interesting facts you probably never knew about chel-edu.ru
Visit chel-edu.ruWe analyzed Chel-edu.ru page load time and found that the first response time was 441 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
chel-edu.ru performance score
name
value
score
weighting
Value2.0 s
85/100
10%
Value2.0 s
97/100
25%
Value3.2 s
92/100
10%
Value80 ms
99/100
30%
Value0.003
100/100
15%
Value3.3 s
93/100
10%
441 ms
152 ms
261 ms
648 ms
262 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 99% of them (78 requests) were addressed to the original Chel-edu.ru, 1% (1 request) were made to Counter.yadro.ru. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Chel-edu.ru.
Page size can be reduced by 256.7 kB (40%)
637.3 kB
380.6 kB
In fact, the total size of Chel-edu.ru main page is 637.3 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 346.1 kB which makes up the majority of the site volume.
Potential reduce by 68.6 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 18.4 kB, which is 23% 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 68.6 kB or 87% of the original size.
Potential reduce by 30.2 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. Chel Edu images are well optimized though.
Potential reduce by 138.8 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 138.8 kB or 74% of the original size.
Potential reduce by 19.2 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. Chel-edu.ru needs all CSS files to be minified and compressed as it can save up to 19.2 kB or 79% of the original size.
Number of requests can be reduced by 19 (25%)
77
58
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chel Edu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
chel-edu.ru
441 ms
s.css
152 ms
jquery.fancybox.css
261 ms
jquery.js
648 ms
jquery.corner.js
262 ms
jquery-ui.js
524 ms
DD_roundies_0.0.2a.js
432 ms
jquery.fancybox.js
447 ms
cookie.js
388 ms
main.js
392 ms
i.js
518 ms
polls.js
521 ms
bg.gif
316 ms
bg_body.jpg
736 ms
logo_new2.gif
131 ms
flag.png
132 ms
poor-icon.png
149 ms
mobile-icon.png
132 ms
clear.gif
133 ms
top_icons.gif
260 ms
tn_marker.gif
261 ms
2775image.jpg
263 ms
2774image.jpg
264 ms
2773image.jpg
293 ms
2738image.jpg
390 ms
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389 ms
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395 ms
2769image.jpeg
441 ms
2768image.gif
519 ms
2767image.jpg
519 ms
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523 ms
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524 ms
2764image.jpg
590 ms
2762image.jpg
647 ms
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648 ms
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655 ms
2760image.jpg
737 ms
2759image.jpg
776 ms
2758image.jpg
779 ms
2757image.jpg
784 ms
2755image.jpg
786 ms
download.png
881 ms
arr.gif
887 ms
bi.php
1300 ms
bi.php
1042 ms
bi.php
1051 ms
bi.php
900 ms
hit
253 ms
bi.php
1058 ms
bi.php
1211 ms
bi.php
931 ms
bi.php
1181 ms
bi.php
1175 ms
bi.php
939 ms
photo_crop.png
1079 ms
1image.jpg
1067 ms
lquot.gif
1170 ms
rquot.gif
1151 ms
bi.php
1069 ms
bi.php
1074 ms
bi.php
1095 ms
bi.php
1241 ms
bi.php
1126 ms
bi.php
1192 ms
bi.php
1202 ms
bi.php
1337 ms
bi.php
1260 ms
bi.php
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bi.php
1142 ms
bi.php
1191 ms
bi.php
1581 ms
bi.php
1463 ms
current_date.gif
1202 ms
bg_footer.gif
1190 ms
tabs_rbl.gif
1192 ms
tabs_rbr.gif
1209 ms
print.css
148 ms
chel-edu.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
Links do not have a discernible name
chel-edu.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
chel-edu.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
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
N/A
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chel-edu.ru can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Chel-edu.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
chel-edu.ru
Open Graph description is not detected on the main page of Chel Edu. 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: