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Welcome to bibliotecanacional.gov.co homepage info - get ready to check Biblioteca Nacional best content for United States right away, or after learning these important things about bibliotecanacional.gov.co
Entidad encargada de preservar y catalogar el patrimonio bibliográfico y documental del país para los investigadores, académicos y público en general.
Visit bibliotecanacional.gov.coWe analyzed Bibliotecanacional.gov.co page load time and found that the first response time was 925 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
bibliotecanacional.gov.co performance score
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value
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weighting
Value5.5 s
6/100
10%
Value28.9 s
0/100
25%
Value18.3 s
0/100
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Value1,860 ms
9/100
30%
Value0.202
62/100
15%
Value56.5 s
0/100
10%
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Our browser made a total of 131 requests to load all elements on the main page. We found that 82% of them (108 requests) were addressed to the original Bibliotecanacional.gov.co, 4% (5 requests) were made to Pbs.twimg.com and 3% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Bibliotecanacional.gov.co.
Page size can be reduced by 977.4 kB (34%)
2.9 MB
1.9 MB
In fact, the total size of Bibliotecanacional.gov.co main page is 2.9 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. 55% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 64.1 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 64.1 kB or 80% of the original size.
Potential reduce by 262.8 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. Obviously, Biblioteca Nacional needs image optimization as it can save up to 262.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 348.0 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 348.0 kB or 67% of the original size.
Potential reduce by 302.5 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. Bibliotecanacional.gov.co needs all CSS files to be minified and compressed as it can save up to 302.5 kB or 83% of the original size.
Number of requests can be reduced by 80 (63%)
128
48
The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblioteca Nacional. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 35 to 1 for CSS and as a result speed up the page load time.
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bibliotecanacional.gov.co 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
Links do not have a discernible name
bibliotecanacional.gov.co 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
Displays images with incorrect aspect ratio
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
bibliotecanacional.gov.co SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
ES
ES
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliotecanacional.gov.co can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Bibliotecanacional.gov.co 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.
bibliotecanacional.gov.co
Open Graph description is not detected on the main page of Biblioteca Nacional. 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: