32.1 sec in total
4.8 sec
26 sec
1.3 sec
Visit chelschool1.ru now to see the best up-to-date Chelschool 1 content for Russia and also check out these interesting facts you probably never knew about chelschool1.ru
Новости, История, Традиции. Разделы "Учащимся", "Родителям", Методические материалы. Коммунарские Сборы. Форум. Английская версия.
Visit chelschool1.ruWe analyzed Chelschool1.ru page load time and found that the first response time was 4.8 sec and then it took 27.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
chelschool1.ru performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value9.2 s
1/100
25%
Value5.8 s
49/100
10%
Value630 ms
48/100
30%
Value0.331
34/100
15%
Value13.0 s
13/100
10%
4808 ms
676 ms
688 ms
920 ms
364 ms
Our browser made a total of 102 requests to load all elements on the main page. We found that 36% of them (37 requests) were addressed to the original Chelschool1.ru, 30% (31 requests) were made to Maps.google.com and 9% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Chelschool1.ru.
Page size can be reduced by 1.6 MB (53%)
3.0 MB
1.4 MB
In fact, the total size of Chelschool1.ru main page is 3.0 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. Javascripts take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 150.6 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. 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 150.6 kB or 85% of the original size.
Potential reduce by 14.7 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. Chelschool 1 images are well optimized though.
Potential reduce by 874.6 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 874.6 kB or 64% of the original size.
Potential reduce by 511.2 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. Chelschool1.ru needs all CSS files to be minified and compressed as it can save up to 511.2 kB or 84% of the original size.
Number of requests can be reduced by 39 (43%)
91
52
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chelschool 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
chelschool1.ru
4808 ms
css-ac3e9.css
676 ms
css-1ec1c.css
688 ms
js-d313e.js
920 ms
k2.js
364 ms
js-e7f49.js
558 ms
js
26 ms
js-fcb40.js
899 ms
css
24 ms
712d008d20a24d826e94d190517bef7b.js
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jsbn.js
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prng4.js
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rng.js
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rsa.js
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convert203.js
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system.css
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logo.png
217 ms
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89 ms
OXYTDOzBcXU8MTNBvBHeSZdO5s5L0c0oSx6swJ31p1c.ttf
90 ms
ada9a09acea936d776a6f55c82778c43_XS.jpg
266 ms
dummy.png
265 ms
login260.png
712 ms
u_scene.jpg
266 ms
u_docs.jpg
711 ms
u_firstclass.jpg
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preloader-news.gif
711 ms
powered_icon.png
713 ms
2gis.png
713 ms
banner_temp.jpg
715 ms
rosnou.gif
714 ms
developer.png
714 ms
jtl-bg-line.png
631 ms
fontawesome-webfont.woff
728 ms
fontawesome-webfont.woff
823 ms
Q_pTky3Sc3ubRibGToTAYm8hADVPt2198XJ0mRNwYBw.ttf
66 ms
analytics.js
418 ms
iframe_api
113 ms
common.js
46 ms
map.js
44 ms
util.js
44 ms
marker.js
42 ms
shadow3.png
228 ms
gridtile_3x3.png
227 ms
bullet.png
224 ms
large_left.png
226 ms
large_right.png
441 ms
collect
96 ms
panorama.jpg
712 ms
onion.js
42 ms
www-widgetapi.js
104 ms
collect
315 ms
ViewportInfoService.GetViewportInfo
282 ms
stats.js
70 ms
controls.js
63 ms
infowindow.js
61 ms
spotlight-poi.png
193 ms
css
112 ms
transparent.png
132 ms
google4.png
112 ms
mapcnt6.png
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sv5.png
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tmapctrl.png
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cb_scout5.png
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tmapctrl4.png
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imgs8.png
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128 ms
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118 ms
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134 ms
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118 ms
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154 ms
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187 ms
AuthenticationService.Authenticate
263 ms
QuotaService.RecordEvent
15 ms
NYnbjHHx_bk
50 ms
www-embed-player-vflfNyN_r.css
21 ms
www-embed-player.js
62 ms
base.js
92 ms
Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js
75 ms
ad_status.js
63 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
56 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
61 ms
chelschool1.ru accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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>).
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.
chelschool1.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
chelschool1.ru SEO score
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
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chelschool1.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 Chelschool1.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.
chelschool1.ru
Open Graph description is not detected on the main page of Chelschool 1. 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: