LIBROSWEB.ES Diseño y programación web (libros, tutoriales y vídeos sobre HTML, CSS, JavaScript, PHP)

librosweb.es Website Information

Daily Unique Visits: 1,136

Daily Page Views: 2,272

Income Per Day: $7

Estimated Value: $1,680

librosweb.es is registered under .ES top-level domain. Please check other sites in .ES zone.

No name server records were found.

and is probably hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the full list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

The highest website librosweb.es position in Alexa rank database was 10008 and the lowest rank position was 776250. Current position of librosweb.es in Alexa rank database is 631100.

Desktop speed score of librosweb.es (89/100) is better than the results of 87.7% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of librosweb.es (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of librosweb.es (74/100) is better than the results of 83.2% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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librosweb.es Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.


librosweb.es whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.


Conditions of use for the whois service via port 43 for .es domains

Access will only be enabled for IP addresses authorised by Red.es. A maximum of one IP address per
user/organisation is permitted.

Red.es accepts no responsibility whatsoever for the availability of access to WHOIS, which may be
suspended at any time and without prior warning at the discretion of the public entity.

The service will be limited to the data established by Red.es.

The user promises to make use of the service and to carry out any action derived from the aforesaid
use in accordance with current applicable regulations, in particular with legislation on “.es” domain
names and personal data protection.

In particular, the user undertakes not to use the service to carry out abusive or speculative domain
name registrations, pursuant to section 5 of the Sixth Additional Provision of Law 34/2002, of 11 July,
on Services of the Information Society and Electronic Commerce. Likewise, the User undertakes not to
use the service to obtain data, the possession of which may contravene the provisions of Organic Law
15/1999, of 13 December, on Personal Data Protection, and its Regulations, or in Law 34/2002, of 11
July, on Services of the Information Society and Electronic Commerce.

Failure to comply with these conditions will result in the immediate withdrawal of the service and any
registered domain name which breaches said conditions may be officially cancelled by Red.es.
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The IP address used to perform the query is not authorised or has exceeded the established limit for
queries.To request access to the service,complete the form located at https://sede.red.gob.es/sede/whois,
where you may also consult the service conditions.

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More information on each domain may be consulted at www.dominios.es.

librosweb.es server information

Servers Location

librosweb.es desktop page speed rank

Last tested: 2016-08-03


Desktop Speed Good
89/100

librosweb.es Desktop Speed Test Quick Summary


priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

http://librosweb.es/css/app.css
https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,700

priority - 2Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
https://www.google-analytics.com/analytics.js (2 hours)
http://librosweb.es/js/app.js (4 hours)

librosweb.es Desktop Resource Breakdown

Total Resources28
Number of Hosts10
Static Resources17
JavaScript Resources11
CSS Resources3

librosweb.es mobile page speed rank

Last tested: 2019-12-06


Mobile Speed Medium
74/100

librosweb.es Mobile Speed Test Quick Summary


priority - 34Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://librosweb.es/
https://librosweb.es/
https://uniwebsidad.com/?from=librosweb

priority - 1Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://www.google-analytics.com/analytics.js (2 hours)

priority - 0Reduce server response time

In our test, your server responded in 0.21 seconds.

librosweb.es Mobile Resource Breakdown

Total Resources7
Number of Hosts5
Static Resources1
JavaScript Resources1

librosweb.es mobile page usability

Last tested: 2019-12-06


Mobile Usability Good
99/100

librosweb.es Mobile Usability Test Quick Summary


priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/libros/javascript">JavaScript</a> is close to 1 other tap targets.

The tap target <a href="/sitio/cookies">Política de Cookies</a> is close to 2 other tap targets.

The tap target <button>ACEPTAR</button> is close to 2 other tap targets.

librosweb.es HTML validation

Errors

Attribute “xmlns:og” not allowed here.

Line: 3 Column: 16 - 76
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#" xmlns:fb="https://www.facebook.com/2008/fbml" xml:lang="es" lang="es"> <..."

Attribute “xmlns:fb” not allowed here.

Line: 3 Column: 16 - 76
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#" xmlns:fb="https://www.facebook.com/2008/fbml" xml:lang="es" lang="es"> <..."

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Line: 8 Column: 9 - 75
"...> <meta http-equiv="content-type" content="text/html; charset=utf-8"> ..."

Warnings

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Line: 3 Column: 16 - 76
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#" xmlns:fb="https://www.facebook.com/2008/fbml" xml:lang="es" lang="es"> <..."

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

Line: 3 Column: 16 - 76
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:og="http://ogp.me/ns#" xmlns:fb="https://www.facebook.com/2008/fbml" xml:lang="es" lang="es"> <..."

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librosweb.es Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.


librosweb.es TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.