Tools & Wizards About Us

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

4lthebook.com

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Page Load Speed

2.5 sec in total

First Response

115 ms

Resources Loaded

2 sec

Page Rendered

373 ms

About Website

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Key Findings

We analyzed 4lthebook.com page load time and found that the first response time was 115 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

4lthebook.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.3 s

0/100

25%

SI (Speed Index)

Value21.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,350 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.378

28/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

4lthebook.com

115 ms

wp-emoji-release.min.js

215 ms

5qinv.css

74 ms

5qinv.css

63 ms

5qinv.css

120 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 65% of them (54 requests) were addressed to the original 4lthebook.com, 10% (8 requests) were made to Fonts.gstatic.com and 7% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (485 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 437.7 kB (52%)

Content Size

848.1 kB

After Optimization

410.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4lthebook.com main page is 848.1 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. Only a small number of websites need less resources to load. CSS take 509.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 73.2 kB

  • Original 93.2 kB
  • After minification 87.0 kB
  • After compression 19.9 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 73.2 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 1.8 kB

  • Original 45.5 kB
  • After minification 43.7 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. 4 Lthebook images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 47.3 kB

  • Original 200.4 kB
  • After minification 200.4 kB
  • After compression 153.1 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 47.3 kB or 24% of the original size.

CSS Optimization

-62%

Potential reduce by 315.4 kB

  • Original 509.1 kB
  • After minification 508.9 kB
  • After compression 193.7 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. 4lthebook.com needs all CSS files to be minified and compressed as it can save up to 315.4 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (86%)

Requests Now

70

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Lthebook. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

4lthebook.com accessibility score

53

Accessibility Issues

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

4lthebook.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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

4lthebook.com SEO score

81

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

Links do not have descriptive text

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4lthebook.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 4lthebook.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 data is detected on the main page of 4 Lthebook. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: