Access libroselectronicos.org. Libros Electronicos

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0.224

56/100

15%

TTI (Time to Interactive)

Value8.3 s

40/100

10%

libroselectronicos.org

262 ms

bootstrap.min.css

5 ms

css

25 ms

custom.css

85 ms

jquery.min.js

7 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 39% of them (31 requests) were addressed to the original Libroselectronicos.org, 15% (12 requests) were made to Static.xx.fbcdn.net and 11% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (334 ms) relates to the external source Static.xx.fbcdn.net.

Content Size

630.2 kB

After Optimization

434.7 kB

In fact, the total size of Libroselectronicos.org main page is 630.2 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. 60% of websites need less resources to load. Images take 426.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 28.2 kB

Original 36.3 kB
After minification 34.3 kB
After compression 8.1 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 28.2 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 47.6 kB

Original 426.0 kB
After minification 378.4 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, Libros Electronicos needs image optimization as it can save up to 47.6 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 28.5 kB

Original 58.3 kB
After minification 57.5 kB
After compression 29.8 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 28.5 kB or 49% of the original size.

CSS Optimization

-83%

Potential reduce by 91.2 kB

Original 109.6 kB
After minification 107.8 kB
After compression 18.4 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. Libroselectronicos.org needs all CSS files to be minified and compressed as it can save up to 91.2 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libros Electronicos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ES
Language Claimed

ES
Encoding

UTF-8

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

libroselectronicos.org

Open Graph description is not detected on the main page of Libros Electronicos. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Libros Electronicos

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

libroselectronicos.org

bootstrap.min.css

css

custom.css

jquery.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

libroselectronicos.org

bootstrap.min.css

css

custom.css

jquery.min.js

bootstrap.min.js

custom.js

sendMail.js

all.js

libros-electronicos_logo.png

plusone.js

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cronica-de-una-muerte-anunciada_ebook.jpg

la-verdad-sobre-el-caso-harry-quebert_ebook.jpg

conversaciones-con-dios_ebook.jpg

el-guerrero-pacifico_ebook.jpg

mi-lucha_ebook.jpg

el-efecto-leopi_ebook.jpg

los-vecinos-mueren-en-las-novelas_ebook.jpg

destroza-este-diario_ebook.jpg

el-juego-de-ripper_ebook.jpg

cartas-a-chepita_ebook.jpg

los-7-habitos-de-la-gente-altamente-efectiva_ebook.jpg

ser-como-el-rio-que-fluye_ebook.jpg

juan-salvador-gaviota_ebook.jpg

disciplina-inteligente_ebook.jpg

inquebrantable_ebook.jpg

atados-a-una-estrella_ebook.jpg

la-busqueda_ebook.jpg

la-mecanica-del-corazon_ebook.jpg

el-guardian-entre-el-centeno_ebook.jpg

olvide-olvidarte_ebook.jpg

el-pais-de-uno_ebook.jpg

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main_glow.jpg

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