27.6 sec in total
1.9 sec
25.2 sec
557 ms
Welcome to centerlingua.ru homepage info - get ready to check Centerlingua best content for Russia right away, or after learning these important things about centerlingua.ru
Курсы иностранных языков в Лингве - это профессиональная подготовка по направлениям: ✔Английский ✔Испанский ✔Немецкий ✔Итальянский ✔Французский
Visit centerlingua.ruWe analyzed Centerlingua.ru page load time and found that the first response time was 1.9 sec and then it took 25.8 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.
centerlingua.ru performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value21.5 s
0/100
25%
Value5.4 s
56/100
10%
Value940 ms
30/100
30%
Value0.047
99/100
15%
Value17.3 s
4/100
10%
1865 ms
38 ms
278 ms
297 ms
365 ms
Our browser made a total of 186 requests to load all elements on the main page. We found that 78% of them (146 requests) were addressed to the original Centerlingua.ru, 6% (12 requests) were made to W.uptolike.com and 3% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Centerlingua.ru.
Page size can be reduced by 1.1 MB (19%)
5.6 MB
4.5 MB
In fact, the total size of Centerlingua.ru main page is 5.6 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. 75% 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. Images take 4.4 MB which makes up the majority of the site volume.
Potential reduce by 206.7 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 206.7 kB or 85% of the original size.
Potential reduce by 116.0 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. Centerlingua images are well optimized though.
Potential reduce by 538.2 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 538.2 kB or 76% of the original size.
Potential reduce by 226.0 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. Centerlingua.ru needs all CSS files to be minified and compressed as it can save up to 226.0 kB or 85% of the original size.
Number of requests can be reduced by 84 (49%)
173
89
The browser has sent 173 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centerlingua. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 37 to 1 for CSS and as a result speed up the page load time.
centerlingua.ru
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centerlingua.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
Image elements do not have [alt] attributes
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.
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
centerlingua.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
Page has valid source maps
centerlingua.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
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
RU
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centerlingua.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 Centerlingua.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.
centerlingua.ru
Open Graph description is not detected on the main page of Centerlingua. 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: