Tools & Wizards About Us
rbalibros.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

rbalibros.com

Editorial RBA Libros y Publicaciones. Editorial de ficción y no ficción adulta.

Page Load Speed

2 sec in total

First Response

490 ms

Resources Loaded

1.3 sec

Page Rendered

180 ms

rbalibros.com screenshot

About Website

Click here to check amazing RBA Libros content for Spain. Otherwise, check out these important facts you probably never knew about rbalibros.com

Descubre sellos literarios de referencia como Gredos, Serie Negra, Integral, National Geographic y Sin Límites. Encuentra en nuestro catálogo los mejores títulos para disfrutar de un buen thriller, ap...

Visit rbalibros.com

Key Findings

We analyzed Rbalibros.com page load time and found that the first response time was 490 ms and then it took 1.5 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

rbalibros.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

12/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value700 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value31.7 s

0/100

10%

Network Requests Diagram

rbalibros.com

490 ms

public.css

571 ms

inicio.css

455 ms

borde-arriba.png

348 ms

logo.png

349 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Rbalibros.com, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (571 ms) belongs to the original domain Rbalibros.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 28.8 kB (36%)

Content Size

80.7 kB

After Optimization

51.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rbalibros.com main page is 80.7 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 10% of websites need less resources to load. Images take 30.8 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 6.5 kB

  • Original 9.1 kB
  • After minification 8.4 kB
  • After compression 2.6 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. 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 6.5 kB or 71% of the original size.

Image Optimization

-9%

Potential reduce by 2.6 kB

  • Original 30.8 kB
  • After minification 28.2 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. RBA Libros images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 19.6 kB

  • Original 23.6 kB
  • After minification 21.3 kB
  • After compression 4.0 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. Rbalibros.com needs all CSS files to be minified and compressed as it can save up to 19.6 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RBA Libros. According to our analytics all requests are already optimized.

Network Requests Diagram

rbalibros.com

rbalibros.com

490 ms

public.css

public.css

571 ms

inicio.css

inicio.css

455 ms

borde-arriba.png

borde-arriba.png

348 ms

logo.png

logo.png

349 ms

banner-1-0.gif

banner-1-0.gif

456 ms

log-rba.png

log-rba.png

350 ms

log-integral.png

log-integral.png

456 ms

log-magrana.png

log-magrana.png

459 ms

log-molino.png

log-molino.png

460 ms

log-serres.png

log-serres.png

461 ms

log-national.png

log-national.png

472 ms

log-gredos.png

log-gredos.png

491 ms

borde-abajo.png

borde-abajo.png

491 ms

ga.js

ga.js

22 ms

fondoletras.png

fondoletras.png

330 ms

fondo-pagina.png

fondo-pagina.png

113 ms

borde-menu.png

borde-menu.png

112 ms

__utm.gif

__utm.gif

19 ms

Accessibility Review

rbalibros.com accessibility score

86

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 input fields do not have accessible names

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

rbalibros.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

Page has valid source maps

SEO Factors

rbalibros.com SEO score

92

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

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

    ES

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rbalibros.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rbalibros.com 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

rbalibros.com

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