2 sec in total
490 ms
1.3 sec
180 ms
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.comWe 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.
rbalibros.com performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value6.2 s
12/100
25%
Value10.7 s
7/100
10%
Value700 ms
43/100
30%
Value0.062
97/100
15%
Value31.7 s
0/100
10%
490 ms
571 ms
455 ms
348 ms
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 size can be reduced by 28.8 kB (36%)
80.7 kB
51.9 kB
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.
Potential reduce by 6.5 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.
Potential reduce by 2.6 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.
Potential reduce by 34 B
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.
Potential reduce by 19.6 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. 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.
We found no issues to fix!
18
18
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.
rbalibros.com
490 ms
public.css
571 ms
inicio.css
455 ms
borde-arriba.png
348 ms
logo.png
349 ms
banner-1-0.gif
456 ms
log-rba.png
350 ms
log-integral.png
456 ms
log-magrana.png
459 ms
log-molino.png
460 ms
log-serres.png
461 ms
log-national.png
472 ms
log-gredos.png
491 ms
borde-abajo.png
491 ms
ga.js
22 ms
fondoletras.png
330 ms
fondo-pagina.png
113 ms
borde-menu.png
112 ms
__utm.gif
19 ms
rbalibros.com accessibility score
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
ARIA input fields do not have accessible names
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
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
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
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
rbalibros.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
rbalibros.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
ES
N/A
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.
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: