22.4 sec in total
439 ms
21.6 sec
324 ms
Welcome to sarov-school20.ru homepage info - get ready to check Sarovschool 20 best content for Russia right away, or after learning these important things about sarov-school20.ru
Официальный сайт Муниципального бюджетного общеобразовательного учреждения "Школа № 20" города Сарова
Visit sarov-school20.ruWe analyzed Sarov-school20.ru page load time and found that the first response time was 439 ms and then it took 22 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
sarov-school20.ru performance score
name
value
score
weighting
Value2.2 s
78/100
10%
Value2.3 s
94/100
25%
Value4.8 s
67/100
10%
Value130 ms
96/100
30%
Value0
100/100
15%
Value7.4 s
48/100
10%
439 ms
137 ms
206 ms
221 ms
226 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 36% of them (36 requests) were addressed to the original Sarov-school20.ru, 42% (42 requests) were made to Edusarov.ru and 11% (11 requests) were made to Archive.org. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Pravo.gov.ru.
Page size can be reduced by 220.4 kB (16%)
1.3 MB
1.1 MB
In fact, the total size of Sarov-school20.ru main page is 1.3 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 1.0 MB which makes up the majority of the site volume.
Potential reduce by 81.5 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 11.2 kB, which is 11% 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 81.5 kB or 81% of the original size.
Potential reduce by 109.9 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, Sarovschool 20 needs image optimization as it can save up to 109.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 27.5 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 27.5 kB or 14% of the original size.
Potential reduce by 1.4 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. Sarov-school20.ru needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 28% of the original size.
Number of requests can be reduced by 5 (8%)
62
57
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sarovschool 20. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
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sarov-school20.ru accessibility score
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
Image elements do not have [alt] attributes
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
sarov-school20.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
sarov-school20.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sarov-school20.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 Sarov-school20.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.
{{og_description}}
sarov-school20.ru
Open Graph description is not detected on the main page of Sarovschool 20. 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: