5.5 sec in total
427 ms
4.8 sec
217 ms
Welcome to libroscentral.com homepage info - get ready to check Libros Central best content right away, or after learning these important things about libroscentral.com
Libreria Central. Libreria de Gijon desde donde podra comprar sus libros. Con una base de datos de todos los títulos publicados. Actualizada constantemente. Encuentre el libro que busca. Trabajamos co...
Visit libroscentral.comWe analyzed Libroscentral.com page load time and found that the first response time was 427 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
libroscentral.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value16.3 s
0/100
25%
Value8.2 s
20/100
10%
Value4,320 ms
1/100
30%
Value0.865
4/100
15%
Value14.9 s
8/100
10%
427 ms
322 ms
199 ms
204 ms
207 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 78% of them (78 requests) were addressed to the original Libroscentral.com, 10% (10 requests) were made to Static.xx.fbcdn.net and 8% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Facebook.com.
Page size can be reduced by 373.7 kB (22%)
1.7 MB
1.3 MB
In fact, the total size of Libroscentral.com main page is 1.7 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. 50% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 61.4 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 61.4 kB or 84% of the original size.
Potential reduce by 65.5 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. Libros Central images are well optimized though.
Potential reduce by 219.4 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 219.4 kB or 68% of the original size.
Potential reduce by 27.3 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. Libroscentral.com needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 85% of the original size.
Number of requests can be reduced by 34 (35%)
98
64
The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libros Central. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
libroscentral.com
427 ms
ew.0.3.7.min.js
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estilo.css
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jquery.jcarousel.min.js
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swfobject.js
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jquery.cookie.js
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libroscentral.com accessibility score
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
libroscentral.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
libroscentral.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
N/A
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libroscentral.com 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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Libroscentral.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.
libroscentral.com
Open Graph description is not detected on the main page of Libros Central. 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: