4.2 sec in total
540 ms
3.5 sec
206 ms
Click here to check amazing Rollerschool content for Russia. Otherwise, check out these important facts you probably never knew about rollerschool.ru
Официальный сайт Школы Федерации Роллер Спорта, посвященный обучению катанию на роликовых коньках - базовые навыки уверенного катания, фрискейт, слалом, обучение детей, спидскейтинг, фигурное катание ...
Visit rollerschool.ruWe analyzed Rollerschool.ru page load time and found that the first response time was 540 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster. This domain responded with an error, which can significantly jeopardize Rollerschool.ru rating and web reputation
rollerschool.ru performance score
name
value
score
weighting
Value2.8 s
58/100
10%
Value4.6 s
34/100
25%
Value4.0 s
80/100
10%
Value1,610 ms
12/100
30%
Value0.002
100/100
15%
Value13.5 s
11/100
10%
540 ms
726 ms
416 ms
543 ms
279 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 28% of them (22 requests) were addressed to the original Rollerschool.ru, 14% (11 requests) were made to Vk.com and 13% (10 requests) were made to Rp5.ru. The less responsive or slowest element that took the longest time to load (726 ms) belongs to the original domain Rollerschool.ru.
Page size can be reduced by 354.4 kB (61%)
580.8 kB
226.5 kB
In fact, the total size of Rollerschool.ru main page is 580.8 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. 30% of websites need less resources to load. Javascripts take 305.9 kB which makes up the majority of the site volume.
Potential reduce by 26.0 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 7.7 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 26.0 kB or 76% of the original size.
Potential reduce by 22.7 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. Obviously, Rollerschool needs image optimization as it can save up to 22.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 219.1 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 219.1 kB or 72% of the original size.
Potential reduce by 86.5 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. Rollerschool.ru needs all CSS files to be minified and compressed as it can save up to 86.5 kB or 86% of the original size.
Number of requests can be reduced by 36 (49%)
74
38
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rollerschool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
rollerschool.ru
540 ms
www.rollerschool.ru
726 ms
main.css
416 ms
jquery-1.4.2.min.js
543 ms
jqModal.js
279 ms
base.js
150 ms
watch.js
169 ms
watch.js
719 ms
cycounter
226 ms
banner-88x31-rambler-green2.gif
290 ms
top100.cnt
247 ms
cnt
596 ms
mm_school.png
139 ms
mm_selfteacher.png
140 ms
mm_training_a.png
139 ms
pix.gif
139 ms
star.png
270 ms
logo.png
410 ms
facebook.png
271 ms
vkontakte.jpg
274 ms
rollerclub2.png
275 ms
banner_sertificat.gif
672 ms
feedback.gif
390 ms
captcha.php
397 ms
right-arrow.gif
398 ms
post.png
400 ms
ajaxload.gif
523 ms
htmla.php
548 ms
hit
283 ms
news_block_div.png
477 ms
likebox.php
336 ms
hit
131 ms
hDvwL1_H7g-.css
284 ms
56WNbrUYLbL.css
359 ms
q68gy-v_YMF.js
495 ms
FJmpeSpHpjS.js
620 ms
0wM5s1Khldu.js
487 ms
1bNoFZUdlYZ.js
486 ms
advert.gif
165 ms
counter
256 ms
1
175 ms
widget_groups.php
163 ms
foninf.png
131 ms
cn5.png
261 ms
o3d1.png
263 ms
razd.png
263 ms
cd5.png
262 ms
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263 ms
botshl.png
263 ms
botsh.png
391 ms
botshr.png
390 ms
cnt
313 ms
loader_nav19188_3.js
129 ms
lite.css
241 ms
lite.js
496 ms
lang3_0.js
249 ms
widget_community.css
250 ms
xdm.js
260 ms
al_community.js
259 ms
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282 ms
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347 ms
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539 ms
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75 ms
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75 ms
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374 ms
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370 ms
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368 ms
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367 ms
jmvQdl_o588.jpg
370 ms
uDICK4wB9N4.jpg
371 ms
camera_50.png
128 ms
upload.gif
125 ms
w_logo.png
125 ms
I6-MnjEovm5.js
75 ms
pQrUxxo5oQp.js
137 ms
rollerschool.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
rollerschool.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
rollerschool.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rollerschool.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it does not match the claimed English language. Our system also found out that Rollerschool.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.
rollerschool.ru
Open Graph description is not detected on the main page of Rollerschool. 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: