11.3 sec in total
497 ms
10 sec
809 ms
Welcome to alpinabook.ru homepage info - get ready to check Alpinabook best content for Russia right away, or after learning these important things about alpinabook.ru
Лучший интернет-магазин, где можно купить книги с доставкой курьером. Покупка книг без наценки от издательской группы «Альпина»! Книжный интернет-магазин — это новинки книг, популярные авторы и темати...
Visit alpinabook.ruWe analyzed Alpinabook.ru page load time and found that the first response time was 497 ms and then it took 10.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
alpinabook.ru performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value39.6 s
0/100
25%
Value69.1 s
0/100
10%
Value67,770 ms
0/100
30%
Value0.247
50/100
15%
Value111.6 s
0/100
10%
497 ms
1784 ms
40 ms
275 ms
278 ms
Our browser made a total of 190 requests to load all elements on the main page. We found that 71% of them (134 requests) were addressed to the original Alpinabook.ru, 9% (17 requests) were made to Static.xx.fbcdn.net and 5% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Alpinabook.ru.
Page size can be reduced by 1.4 MB (55%)
2.6 MB
1.2 MB
In fact, the total size of Alpinabook.ru main page is 2.6 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 1.4 MB which makes up the majority of the site volume.
Potential reduce by 92.6 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 15.5 kB, which is 13% 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 92.6 kB or 78% of the original size.
Potential reduce by 157.0 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, Alpinabook needs image optimization as it can save up to 157.0 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.0 MB
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 1.0 MB or 72% of the original size.
Potential reduce by 104.3 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. Alpinabook.ru needs all CSS files to be minified and compressed as it can save up to 104.3 kB or 79% of the original size.
Number of requests can be reduced by 72 (40%)
179
107
The browser has sent 179 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alpinabook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
alpinabook.ru
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alpinabook.ru accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
alpinabook.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
alpinabook.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
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 Alpinabook.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 Alpinabook.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.
alpinabook.ru
Open Graph description is not detected on the main page of Alpinabook. 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: