16.8 sec in total
1.7 sec
13.4 sec
1.7 sec
Welcome to 21coins.ru homepage info - get ready to check 21 Coins best content for Russia right away, or after learning these important things about 21coins.ru
Купить монеты, банкноты, альбомы и аксессуары с отправкой заказов по всей России и оплатой при получении в магазине "Кладовка".
Visit 21coins.ruWe analyzed 21coins.ru page load time and found that the first response time was 1.7 sec and then it took 15.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
21coins.ru performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value5.9 s
14/100
25%
Value7.0 s
32/100
10%
Value100 ms
98/100
30%
Value0.376
28/100
15%
Value6.1 s
63/100
10%
1726 ms
1496 ms
1150 ms
382 ms
550 ms
Our browser made a total of 132 requests to load all elements on the main page. We found that 94% of them (124 requests) were addressed to the original 21coins.ru, 2% (2 requests) were made to S7.addthis.com and 2% (2 requests) were made to Counter.rambler.ru. The less responsive or slowest element that took the longest time to load (4.5 sec) belongs to the original domain 21coins.ru.
Page size can be reduced by 1.2 MB (39%)
3.0 MB
1.8 MB
In fact, the total size of 21coins.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. 50% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 265.6 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 265.6 kB or 81% of the original size.
Potential reduce by 85.7 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. 21 Coins images are well optimized though.
Potential reduce by 602.4 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 602.4 kB or 70% of the original size.
Potential reduce by 214.3 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. 21coins.ru needs all CSS files to be minified and compressed as it can save up to 214.3 kB or 81% of the original size.
Number of requests can be reduced by 29 (23%)
128
99
The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Coins. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
21coins.ru
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21coins.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
21coins.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
Issues were logged in the Issues panel in Chrome Devtools
21coins.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
RU
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21coins.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 21coins.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.
21coins.ru
Open Graph description is not detected on the main page of 21 Coins. 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: