Tools & Wizards About Us

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

x-libri.ru

X-Libri майора Томаса

Page Load Speed

23.3 sec in total

First Response

648 ms

Resources Loaded

21.8 sec

Page Rendered

899 ms

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 648 ms and then it took 22.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

x-libri.ru performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

91/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value2,000 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

x-libri.ru

648 ms

x-main.css

251 ms

fcode.js

272 ms

xlibri00.gif

233 ms

xlibri01.gif

247 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 43% of them (20 requests) were addressed to the original X-libri.ru, 9% (4 requests) were made to Rf.revolvermaps.com and 7% (3 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Tools.spylog.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 65.6 kB (17%)

Content Size

387.1 kB

After Optimization

321.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of X-libri.ru main page is 387.1 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. 20% of websites need less resources to load. Javascripts take 258.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 58.0 kB

  • Original 79.2 kB
  • After minification 76.3 kB
  • After compression 21.2 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 58.0 kB or 73% of the original size.

Image Optimization

-13%

Potential reduce by 6.1 kB

  • Original 47.7 kB
  • After minification 41.6 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. Obviously, X Libri needs image optimization as it can save up to 6.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 353 B

  • Original 258.7 kB
  • After minification 258.7 kB
  • After compression 258.3 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.

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 14 (37%)

Requests Now

38

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 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 from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

x-libri.ru accessibility score

69

Accessibility Issues

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

High

Page has valid source maps

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: