9.4 sec in total
2.1 sec
6.6 sec
708 ms
Visit biblio-online.ru now to see the best up-to-date Biblio Online content for Russia and also check out these interesting facts you probably never knew about biblio-online.ru
Образовательная платформа «Юрайт» — курсы и учебники для вузов, СПО (ссузов, колледжей), библиотек по различным дисциплинам. Уникальные сервисы для обучения и аттестации студентов.
Visit biblio-online.ruWe analyzed Biblio-online.ru page load time and found that the first response time was 2.1 sec and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
biblio-online.ru performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value11.3 s
0/100
25%
Value25.6 s
0/100
10%
Value37,260 ms
0/100
30%
Value0
100/100
15%
Value51.7 s
0/100
10%
2050 ms
135 ms
794 ms
933 ms
185 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Biblio-online.ru, 8% (7 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Mc.yandex.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Urait.ru.
Page size can be reduced by 281.9 kB (19%)
1.4 MB
1.2 MB
In fact, the total size of Biblio-online.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. 80% 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. Javascripts take 548.9 kB which makes up the majority of the site volume.
Potential reduce by 240.1 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. This page needs HTML code to be minified as it can gain 76.4 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 240.1 kB or 72% of the original size.
Potential reduce by 25.3 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. Biblio Online images are well optimized though.
Potential reduce by 7.8 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. This website has mostly compressed JavaScripts.
Potential reduce by 8.7 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. Biblio-online.ru has all CSS files already compressed.
Number of requests can be reduced by 41 (55%)
74
33
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblio Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
urait.ru
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style.css
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common.js
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jquery.form.min.js
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donate-book.css
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1
147 ms
biblio-online.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.
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 IDs are not unique
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
Links do not have a discernible name
biblio-online.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
Missing source maps for large first-party JavaScript
biblio-online.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
RU
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biblio-online.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 Biblio-online.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.
biblio-online.ru
Open Graph description is not detected on the main page of Biblio Online. 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: