Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ventadlibros.com

Editorial Susaeta - Venta de libros infantiles, venta de libros, libros de cocina, atlas ilustrados

Page Load Speed

9.3 sec in total

First Response

2.4 sec

Resources Loaded

6.4 sec

Page Rendered

552 ms

ventadlibros.com screenshot

About Website

Welcome to ventadlibros.com homepage info - get ready to check Venta D Libros best content for Spain right away, or after learning these important things about ventadlibros.com

Susaeta ediciones es una editorial fundada en 1963. Líder en venta de libros infantiles cuenta con un extenso catálogo de libros de cocina y atlas ilustrados

Visit ventadlibros.com

Key Findings

We analyzed Ventadlibros.com page load time and found that the first response time was 2.4 sec and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ventadlibros.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.4 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value1.359

0/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

2363 ms

css

43 ms

icon

59 ms

theme-e2bd41419.css

438 ms

ie.css

316 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Ventadlibros.com, 6% (3 requests) were made to Google-analytics.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Editorialsusaeta.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 623.5 kB (27%)

Content Size

2.3 MB

After Optimization

1.7 MB

In fact, the total size of Ventadlibros.com main page is 2.3 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. 45% of websites need less resources to load. Images take 971.7 kB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 499.0 kB

  • Original 533.6 kB
  • After minification 327.2 kB
  • After compression 34.6 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 206.4 kB, which is 39% 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 499.0 kB or 94% of the original size.

Image Optimization

-1%

Potential reduce by 11.7 kB

  • Original 971.7 kB
  • After minification 960.0 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. Venta D Libros images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 97.8 kB

  • Original 667.2 kB
  • After minification 667.2 kB
  • After compression 569.4 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 97.8 kB or 15% of the original size.

CSS Optimization

-13%

Potential reduce by 15.0 kB

  • Original 113.1 kB
  • After minification 113.1 kB
  • After compression 98.1 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. Ventadlibros.com needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (29%)

Requests Now

48

After Optimization

34

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Venta D Libros. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ventadlibros.com accessibility score

78

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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 IDs are not unique

Best Practices

ventadlibros.com best practices score

67

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

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

ventadlibros.com SEO score

100

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ventadlibros.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 Ventadlibros.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 Venta D Libros. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: