7.4 sec in total
733 ms
5.8 sec
835 ms
Visit orenlib.ru now to see the best up-to-date Orenlib content for Russia and also check out these interesting facts you probably never knew about orenlib.ru
Общие сведения о библиотеке. Правила пользования, режим работы, услуги. Электронные каталоги и базы данных библиотеки. Полнотекстовые базы данных. Афиша мероприятий. Виртуальная справка.
Visit orenlib.ruWe analyzed Orenlib.ru page load time and found that the first response time was 733 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
orenlib.ru performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value20.3 s
0/100
25%
Value11.6 s
4/100
10%
Value410 ms
66/100
30%
Value0.215
58/100
15%
Value15.2 s
7/100
10%
733 ms
144 ms
323 ms
319 ms
325 ms
Our browser made a total of 99 requests to load all elements on the main page. We found that 91% of them (90 requests) were addressed to the original Orenlib.ru, 4% (4 requests) were made to Acint.net and 1% (1 request) were made to Calend.ru. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Orenlib.ru.
Page size can be reduced by 382.4 kB (14%)
2.7 MB
2.3 MB
In fact, the total size of Orenlib.ru main page is 2.7 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 2.5 MB which makes up the majority of the site volume.
Potential reduce by 36.9 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 36.9 kB or 77% of the original size.
Potential reduce by 228.2 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. Orenlib images are well optimized though.
Potential reduce by 74.6 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 74.6 kB or 68% of the original size.
Potential reduce by 42.6 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. Orenlib.ru needs all CSS files to be minified and compressed as it can save up to 42.6 kB or 86% of the original size.
Number of requests can be reduced by 19 (20%)
95
76
The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Orenlib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
orenlib.ru
733 ms
lightbox.css
144 ms
api.js
323 ms
garant.js
319 ms
style_in.css
325 ms
lightbox.min.css
321 ms
mistakes.css
331 ms
mistakes.js
330 ms
jquery.js
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jquery.tooltip.js
485 ms
sh.js
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jquery.tooltipsh.js
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normal.css
503 ms
fon.css
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imgnormal.css
635 ms
informer_1.png
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close.png
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loading.gif
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feedback.png
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versia_dsl.png
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home_top.png
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help_top.png
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youtube.png
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logotype3.jpg
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logotype2.jpg
357 ms
elcat.png
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libportal.png
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quest.gif
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abonement.gif
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garant_monitoring.gif
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counter2
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god_literatury_2015.png
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garant.gif
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orenlib.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.
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
orenlib.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
Page has valid source maps
orenlib.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
RU
N/A
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Orenlib.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 Orenlib.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
orenlib.ru
Open Graph description is not detected on the main page of Orenlib. 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: