10.9 sec in total
682 ms
10 sec
229 ms
Click here to check amazing Coders Library content for Russia. Otherwise, check out these important facts you probably never knew about coders-library.ru
Книги по программированию, исходники, компоненты, статьи и обзоры по всем языкам программирования. Компоненты и исходники программ на разных языках программирования., .
Visit coders-library.ruWe analyzed Coders-library.ru page load time and found that the first response time was 682 ms and then it took 10.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
coders-library.ru performance score
name
value
score
weighting
Value2.8 s
58/100
10%
Value9.3 s
1/100
25%
Value7.9 s
22/100
10%
Value140 ms
95/100
30%
Value0.015
100/100
15%
Value14.4 s
9/100
10%
682 ms
268 ms
271 ms
269 ms
271 ms
Our browser made a total of 250 requests to load all elements on the main page. We found that 35% of them (87 requests) were addressed to the original Coders-library.ru, 4% (9 requests) were made to S.luxadv.com and 3% (7 requests) were made to Securendn.a.ssl.fastly.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Coders-library.ru.
Page size can be reduced by 512.5 kB (46%)
1.1 MB
612.0 kB
In fact, the total size of Coders-library.ru main page is 1.1 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. 45% of websites need less resources to load. Images take 486.5 kB which makes up the majority of the site volume.
Potential reduce by 116.7 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 116.7 kB or 80% of the original size.
Potential reduce by 40.1 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. Coders Library images are well optimized though.
Potential reduce by 276.8 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 276.8 kB or 70% of the original size.
Potential reduce by 79.0 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. Coders-library.ru needs all CSS files to be minified and compressed as it can save up to 79.0 kB or 83% of the original size.
Number of requests can be reduced by 136 (69%)
197
61
The browser has sent 197 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coders Library. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
coders-library.ru
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coders-library.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
<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
coders-library.ru best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
coders-library.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
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coders-library.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 Coders-library.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.
coders-library.ru
Open Graph description is not detected on the main page of Coders Library. 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: