3.2 sec in total
446 ms
2.6 sec
162 ms
Click here to check amazing Book UCoz content for Russia. Otherwise, check out these important facts you probably never knew about book.ucoz.ru
Учебник по системе uCoz. Полное описание модулей и настроек системы. Пособие доступно в виде электронной книги и бумажного издания.
Visit book.ucoz.ruWe analyzed Book.ucoz.ru page load time and found that the first response time was 446 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
book.ucoz.ru performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value6.4 s
9/100
25%
Value6.0 s
46/100
10%
Value30 ms
100/100
30%
Value0.471
18/100
15%
Value4.9 s
77/100
10%
446 ms
121 ms
395 ms
417 ms
574 ms
Our browser made a total of 47 requests to load all elements on the main page. We found that 53% of them (25 requests) were addressed to the original Book.ucoz.ru, 15% (7 requests) were made to S3.ucoz.net and 9% (4 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Book.ucoz.ru.
Page size can be reduced by 403.9 kB (40%)
1.0 MB
604.8 kB
In fact, the total size of Book.ucoz.ru main page is 1.0 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. 30% of websites need less resources to load. Javascripts take 500.6 kB which makes up the majority of the site volume.
Potential reduce by 15.8 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 15.8 kB or 67% of the original size.
Potential reduce by 20.6 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. Book UCoz images are well optimized though.
Potential reduce by 329.2 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 329.2 kB or 66% of the original size.
Potential reduce by 38.4 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. Book.ucoz.ru needs all CSS files to be minified and compressed as it can save up to 38.4 kB or 79% of the original size.
Number of requests can be reduced by 17 (41%)
41
24
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Book UCoz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
book.ucoz.ru
446 ms
my.css
121 ms
base.css
395 ms
layer7.css
417 ms
jquery-1.7.2.js
574 ms
ulightbox.css
414 ms
ulightbox.js
421 ms
uwnd.js
681 ms
social.css
514 ms
watch.js
183 ms
mixpanel-2.2.min.js
8 ms
8 ms
watch.js
468 ms
hit;noadsru
272 ms
line2.jpg
132 ms
kheder9-2.png
1066 ms
logo2.png
366 ms
ico-vkontakte.png
260 ms
ico-ucoz.png
267 ms
ico-twitter.png
268 ms
book.ucoz.ru
250 ms
content.png
411 ms
toshop.png
396 ms
akcia.png
530 ms
help.jpg
399 ms
489 ms
analytics.js
31 ms
block-bottom.png
532 ms
block-top.png
535 ms
block-title2.png
529 ms
banner2-2-2.png
613 ms
book-1.png
654 ms
book-2.png
657 ms
book-3.png
661 ms
buy-banner-button.png
662 ms
buy-set.png
732 ms
0.896493038861081
777 ms
hit
263 ms
cnt.js
243 ms
advert.gif
91 ms
collect
11 ms
1
93 ms
2234066.js
122 ms
cnt
122 ms
f.gif
124 ms
358261183
158 ms
cm.gif
474 ms
book.ucoz.ru accessibility score
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
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
book.ucoz.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
book.ucoz.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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Book.ucoz.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 Book.ucoz.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.
book.ucoz.ru
Open Graph description is not detected on the main page of Book UCoz. 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: