Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

fb2mobi.com

Convert FB2 files to MOBI

Page Load Speed

1.6 sec in total

First Response

245 ms

Resources Loaded

1.2 sec

Page Rendered

128 ms

fb2mobi.com screenshot

About Website

Visit fb2mobi.com now to see the best up-to-date FB2 MOBI content for Russia and also check out these interesting facts you probably never knew about fb2mobi.com

Convert your FB2 files to MOBI. Embed font that suits you best.

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Key Findings

We analyzed Fb2mobi.com page load time and found that the first response time was 245 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

fb2mobi.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value3.8 s

83/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

fb2mobi.com

245 ms

104 ms

style.css

79 ms

jquery.fancybox-1.3.1.css

155 ms

jquery.min.js

29 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 29% of them (7 requests) were addressed to the original Fb2mobi.com, 17% (4 requests) were made to Pagead2.googlesyndication.com and 13% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (363 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.0 kB (38%)

Content Size

151.4 kB

After Optimization

94.4 kB

In fact, the total size of Fb2mobi.com main page is 151.4 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. 45% of websites need less resources to load. Javascripts take 128.8 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 5.5 kB

  • Original 8.4 kB
  • After minification 8.0 kB
  • After compression 2.9 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 5.5 kB or 65% of the original size.

Image Optimization

-25%

Potential reduce by 217 B

  • Original 857 B
  • After minification 640 B

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, FB2 MOBI needs image optimization as it can save up to 217 B or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-31%

Potential reduce by 40.4 kB

  • Original 128.8 kB
  • After minification 128.0 kB
  • After compression 88.4 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 40.4 kB or 31% of the original size.

CSS Optimization

-82%

Potential reduce by 10.8 kB

  • Original 13.3 kB
  • After minification 10.5 kB
  • After compression 2.5 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. Fb2mobi.com needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FB2 MOBI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

fb2mobi.com accessibility score

63

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

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

Form elements do not have associated labels

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

fb2mobi.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

fb2mobi.com SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fb2mobi.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Fb2mobi.com 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 FB2 MOBI. 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: