9.5 sec in total
2.6 sec
5.5 sec
1.5 sec
Click here to check amazing Cbtbooks content for Russia. Otherwise, check out these important facts you probably never knew about cbtbooks.ru
Статьи о строительстве, ремонте, дизайне интерьеров
Visit cbtbooks.ruWe analyzed Cbtbooks.ru page load time and found that the first response time was 2.6 sec and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster. This domain responded with an error, which can significantly jeopardize Cbtbooks.ru rating and web reputation
cbtbooks.ru performance score
name
value
score
weighting
Value2.5 s
66/100
10%
Value3.7 s
57/100
25%
Value4.0 s
81/100
10%
Value750 ms
39/100
30%
Value0.067
96/100
15%
Value8.5 s
38/100
10%
2554 ms
1149 ms
333 ms
339 ms
350 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 76% of them (67 requests) were addressed to the original Cbtbooks.ru, 6% (5 requests) were made to Openstat.net and 2% (2 requests) were made to Uncle-l.ru. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Cbtbooks.ru.
Page size can be reduced by 350.4 kB (24%)
1.4 MB
1.1 MB
In fact, the total size of Cbtbooks.ru main page is 1.4 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 60.1 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 60.1 kB or 74% of the original size.
Potential reduce by 120.1 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, Cbtbooks needs image optimization as it can save up to 120.1 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 143.9 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 143.9 kB or 69% of the original size.
Potential reduce by 26.4 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. Cbtbooks.ru needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 82% of the original size.
Number of requests can be reduced by 41 (51%)
80
39
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cbtbooks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
cbtbooks.ru
2554 ms
mootools.js
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caption.js
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odkl_share.js
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system.css
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general.css
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template.css
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ja.script.js
508 ms
ja.rightcol.js
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menu.css
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jquery.js
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jquery.innerfade.js
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jal.js
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agitka.jpg
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B452D17A-28CB-A960-86D8-08E81E7BC4A0.jpg
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E-CAT35TR001-BattleTech-Technical-Readout-3145-Mercenaries_Cover_580wide.jpg
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Tikonov.gif
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Phaedra.M.Weldon.Art.of.War.Cover.jpg
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smiley-smile.gif
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smiley-wink.gif
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NY2015.jpg
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image
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gold_book.gif
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BattleTech-61-Tomas.S.Gressman.The.Dying.Time.Cover.jpg
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E-CAT35223-Era-Report-3145_Cover_580wide.jpg
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logo.png
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hotlog_redirects
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arrow2.png
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17 ms
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14 ms
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237 ms
arrow3.png
169 ms
cnt
120 ms
cbtbooks.ru accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
<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
cbtbooks.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
cbtbooks.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 Cbtbooks.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 Cbtbooks.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.
cbtbooks.ru
Open Graph description is not detected on the main page of Cbtbooks. 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: