Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

libroos.es

This domain was registered by Youdot.io

Page Load Speed

3.4 sec in total

First Response

261 ms

Resources Loaded

2.7 sec

Page Rendered

423 ms

libroos.es screenshot

About Website

Visit libroos.es now to see the best up-to-date Libroos content for Spain and also check out these interesting facts you probably never knew about libroos.es

Descargar libros gratis en formato PDF - Epub - Word para tu ebook o para tu Ipad. Totalmente Gratis

Visit libroos.es

Key Findings

We analyzed Libroos.es page load time and found that the first response time was 261 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster. This domain responded with an error, which can significantly jeopardize Libroos.es rating and web reputation

Performance Metrics

libroos.es performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value8,550 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

libroos.es

261 ms

www.libroos.es

916 ms

vbulletin_important.css

204 ms

yahoo-dom-event.js

530 ms

connection-min.js

317 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 64% of them (46 requests) were addressed to the original Libroos.es, 8% (6 requests) were made to Image2.pubmatic.com and 6% (4 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (916 ms) belongs to the original domain Libroos.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 605.8 kB (61%)

Content Size

988.8 kB

After Optimization

383.1 kB

In fact, the total size of Libroos.es main page is 988.8 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. 35% of websites need less resources to load. Javascripts take 692.5 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 154.7 kB

  • Original 169.7 kB
  • After minification 169.0 kB
  • After compression 15.0 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 154.7 kB or 91% of the original size.

Image Optimization

-3%

Potential reduce by 3.2 kB

  • Original 116.5 kB
  • After minification 113.3 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. Libroos images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 439.3 kB

  • Original 692.5 kB
  • After minification 689.9 kB
  • After compression 253.2 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 439.3 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 8.5 kB

  • Original 10.1 kB
  • After minification 7.3 kB
  • After compression 1.6 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. Libroos.es needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (65%)

Requests Now

65

After Optimization

23

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libroos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

libroos.es accessibility score

88

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.

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

libroos.es best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

libroos.es SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ES

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libroos.es can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Spanish. Our system also found out that Libroos.es main page’s claimed encoding is iso-8859-1. 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 Libroos. 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: