4.7 sec in total
952 ms
3.3 sec
518 ms
Visit urokimatematiki.ru now to see the best up-to-date Urokimatematiki content for Russia and also check out these interesting facts you probably never knew about urokimatematiki.ru
Сотни презентаций, видеоуроков, тестов по математике для 5-11 классов средней общеобразовательной школы
Visit urokimatematiki.ruWe analyzed Urokimatematiki.ru page load time and found that the first response time was 952 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. This domain responded with an error, which can significantly jeopardize Urokimatematiki.ru rating and web reputation
urokimatematiki.ru performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value8.8 s
1/100
25%
Value6.4 s
40/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value7.6 s
47/100
10%
952 ms
367 ms
364 ms
247 ms
245 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 93% of them (80 requests) were addressed to the original Urokimatematiki.ru, 5% (4 requests) were made to Mc.yandex.ru and 1% (1 request) were made to Cdn.sublimevideo.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Urokimatematiki.ru.
Page size can be reduced by 687.3 kB (29%)
2.4 MB
1.7 MB
In fact, the total size of Urokimatematiki.ru main page is 2.4 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. 65% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 124.4 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 35.7 kB, which is 25% 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 124.4 kB or 87% of the original size.
Potential reduce by 210.1 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, Urokimatematiki needs image optimization as it can save up to 210.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 228.0 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 228.0 kB or 69% of the original size.
Potential reduce by 124.9 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. Urokimatematiki.ru needs all CSS files to be minified and compressed as it can save up to 124.9 kB or 83% of the original size.
Number of requests can be reduced by 20 (25%)
81
61
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Urokimatematiki. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
urokimatematiki.ru
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urokimatematiki.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
Document doesn't have a <title> element
Image elements do not have [alt] attributes
Links do not have a discernible name
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
urokimatematiki.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Requests the notification permission on page load
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
urokimatematiki.ru SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
Image elements do not have [alt] attributes
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Urokimatematiki.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 Urokimatematiki.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.
urokimatematiki.ru
Open Graph description is not detected on the main page of Urokimatematiki. 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: