7 sec in total
369 ms
6 sec
678 ms
Visit lib.aldebaran.ru now to see the best up-to-date Lib Aldebaran content for Russia and also check out these interesting facts you probably never knew about lib.aldebaran.ru
В электронной библиотеке Альдебаран можно скачать книги бесплатно в популярных форматах epub, fb2, rtf, mobi, pdf или читать книги онлайн.
Visit lib.aldebaran.ruWe analyzed Lib.aldebaran.ru page load time and found that the first response time was 369 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
lib.aldebaran.ru performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value6.8 s
7/100
25%
Value8.0 s
22/100
10%
Value660 ms
45/100
30%
Value0.002
100/100
15%
Value15.2 s
7/100
10%
369 ms
926 ms
171 ms
176 ms
184 ms
Our browser made a total of 282 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Lib.aldebaran.ru, 55% (156 requests) were made to Be2.aldebaran.ru and 16% (45 requests) were made to Aldebaran.ru. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Be2.aldebaran.ru.
Page size can be reduced by 713.7 kB (21%)
3.4 MB
2.7 MB
In fact, the total size of Lib.aldebaran.ru main page is 3.4 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. 75% 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. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 278.2 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 278.2 kB or 83% of the original size.
Potential reduce by 19.6 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. Lib Aldebaran images are well optimized though.
Potential reduce by 373.6 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 373.6 kB or 70% of the original size.
Potential reduce by 42.3 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. Lib.aldebaran.ru needs all CSS files to be minified and compressed as it can save up to 42.3 kB or 80% of the original size.
Number of requests can be reduced by 66 (25%)
262
196
The browser has sent 262 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lib Aldebaran. 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 5 to 1 for CSS and as a result speed up the page load time.
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lib.aldebaran.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>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
lib.aldebaran.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
lib.aldebaran.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lib.aldebaran.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 Lib.aldebaran.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.
lib.aldebaran.ru
Open Graph description is not detected on the main page of Lib Aldebaran. 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: