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Catálogos de la Red de Bibliotecas del Consejo Superior de Investigaciones Cient?ficas CSIC, Bibliotecas de Ciencia e Investigación, Spanish National Research Council Libraries Network Catalog OPAC, S...

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aleph.csic.es

692 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Aleph.csic.es and no external sources were called. The less responsive or slowest element that took the longest time to load (692 ms) belongs to the original domain Aleph.csic.es.

Content Size

1.9 kB

After Optimization

860 B

In fact, the total size of Aleph.csic.es main page is 1.9 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 1.9 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 999 B

Original 1.9 kB
After minification 1.8 kB
After compression 860 B

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 999 B or 54% of the original size.

Requests Now

After Optimization

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Language and Encoding

Language Detected

Language Claimed

N/A

Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aleph.csic.es 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 Aleph.csic.es 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

aleph.csic.es

Open Graph description is not detected on the main page of Aleph CSIC. 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: