Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

x-libri.ru

X-Libri майора Томаса

Page Load Speed

4.6 sec in total

First Response

744 ms

Resources Loaded

2.3 sec

Page Rendered

1.6 sec

x-libri.ru screenshot

About Website

Visit x-libri.ru now to see the best up-to-date X Libri content for Russia and also check out these interesting facts you probably never knew about x-libri.ru

Иллюстрированная интерактивная библиотека. Книги и статьи о неизвестном, малоизвестном, спорном и скрываемом

Visit x-libri.ru

Key Findings

We analyzed X-libri.ru page load time and found that the first response time was 744 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

x-libri.ru performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

54/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

x-libri.ru

744 ms

x-main.css

251 ms

nigma-freeform-green-logo2.gif

1783 ms

fcode.js

324 ms

xlibri00.gif

282 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 51% of them (20 requests) were addressed to the original X-libri.ru, 10% (4 requests) were made to Rc.revolvermaps.com and 8% (3 requests) were made to Jc.revolvermaps.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Nigma.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.2 kB (55%)

Content Size

181.9 kB

After Optimization

81.7 kB

In fact, the total size of X-libri.ru main page is 181.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. HTML takes 75.7 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 56.7 kB

  • Original 75.7 kB
  • After minification 71.1 kB
  • After compression 19.0 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 56.7 kB or 75% of the original size.

Image Optimization

-14%

Potential reduce by 6.2 kB

  • Original 43.4 kB
  • After minification 37.2 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. Obviously, X Libri needs image optimization as it can save up to 6.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 36.1 kB

  • Original 61.2 kB
  • After minification 61.2 kB
  • After compression 25.1 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 36.1 kB or 59% of the original size.

CSS Optimization

-75%

Potential reduce by 1.2 kB

  • Original 1.6 kB
  • After minification 1.4 kB
  • After compression 397 B

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. X-libri.ru needs all CSS files to be minified and compressed as it can save up to 1.2 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

35

After Optimization

24

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of X Libri. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

x-libri.ru accessibility score

59

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

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

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

x-libri.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

x-libri.ru SEO score

62

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Document uses plugins

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1251

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise X-libri.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 X-libri.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of X Libri. 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: