Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

selflib.me

Читайте электронные книги онлайн бесплатно без регистрации и оставляйте отзывы! - SelfLib.me

Page Load Speed

4.1 sec in total

First Response

38 ms

Resources Loaded

2.2 sec

Page Rendered

1.8 sec

selflib.me screenshot

About Website

Welcome to selflib.me homepage info - get ready to check Self Lib best content for Belarus right away, or after learning these important things about selflib.me

Лучший сервис для бесплатного чтения электронных книг онлайн! У нас вы сможете читать книги без регистрации, следить за новинками, а так же скачать книги в форматах: fb2, epub, mobi. Кроме этого, вы в...

Visit selflib.me

Key Findings

We analyzed Selflib.me page load time and found that the first response time was 38 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

selflib.me performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value4,620 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

selflib.me

38 ms

selflib.me

433 ms

application-f8d165bb5ba66086fb6148eea7027534.css

676 ms

application-0d550bc6b10e48c4bfd773f88c3ac55d.js

599 ms

context.js

1151 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Selflib.me, 42% (14 requests) were made to Staticsl.rmr.rocks and 30% (10 requests) were made to Ressl.rmr.rocks. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Yandex.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 458.4 kB (31%)

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Selflib.me main page is 1.5 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. 35% of websites need less resources to load. Images take 598.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 366.2 kB

  • Original 426.2 kB
  • After minification 362.3 kB
  • After compression 60.0 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. This page needs HTML code to be minified as it can gain 63.9 kB, which is 15% 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 366.2 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 13.0 kB

  • Original 598.8 kB
  • After minification 585.8 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. Self Lib images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 47.8 kB

  • Original 311.7 kB
  • After minification 311.7 kB
  • After compression 263.9 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 47.8 kB or 15% of the original size.

CSS Optimization

-22%

Potential reduce by 31.4 kB

  • Original 145.8 kB
  • After minification 145.8 kB
  • After compression 114.4 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. Selflib.me needs all CSS files to be minified and compressed as it can save up to 31.4 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (11%)

Requests Now

27

After Optimization

24

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Self Lib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

selflib.me accessibility score

74

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

High

[role]s are not contained by their required parent element

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

selflib.me best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

selflib.me SEO score

88

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

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    RU

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Selflib.me can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Selflib.me 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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Self Lib. 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: