6.7 sec in total
1.8 sec
4.4 sec
520 ms
Click here to check amazing Biblivre content for Brazil. Otherwise, check out these important facts you probably never knew about biblivre.org.br
Visit biblivre.org.brWe analyzed Biblivre.org.br page load time and found that the first response time was 1.8 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
biblivre.org.br performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value5.3 s
21/100
25%
Value8.1 s
20/100
10%
Value130 ms
96/100
30%
Value0.341
33/100
15%
Value6.0 s
65/100
10%
1756 ms
829 ms
698 ms
286 ms
710 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that all of those requests were addressed to Biblivre.org.br and no external sources were called. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Biblivre.org.br.
Page size can be reduced by 575.2 kB (59%)
975.2 kB
400.0 kB
In fact, the total size of Biblivre.org.br main page is 975.2 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. 40% of websites need less resources to load. CSS take 346.5 kB which makes up the majority of the site volume.
Potential reduce by 26.2 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 26.2 kB or 78% of the original size.
Potential reduce by 67.6 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. Obviously, Biblivre needs image optimization as it can save up to 67.6 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 184.1 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 184.1 kB or 68% of the original size.
Potential reduce by 297.4 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. Biblivre.org.br needs all CSS files to be minified and compressed as it can save up to 297.4 kB or 86% of the original size.
Number of requests can be reduced by 48 (62%)
77
29
The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblivre. 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 30 to 1 for CSS and as a result speed up the page load time.
biblivre.org.br
1756 ms
widgetkit-21b3e1e5.css
829 ms
bootstrap.css
698 ms
template.css
286 ms
jquery.min.js
710 ms
jquery-noconflict.js
284 ms
jquery-migrate.min.js
416 ms
widgetkit-5f3548a4.js
565 ms
base.css
426 ms
layout.css
558 ms
menus.css
568 ms
modules.css
709 ms
tools.css
710 ms
system.css
710 ms
extensions.css
880 ms
custom.css
881 ms
fabric.css
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lightblue.css
882 ms
droidsans.css
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lucida.css
964 ms
lucida.css
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style.css
980 ms
responsive.css
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print.css
989 ms
droidsans.css
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warp.js
1104 ms
responsive.js
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accordionmenu.js
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dropdownmenu.js
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jquery.gridalicious.js
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template.js
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search.js
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lightbox.js
389 ms
mediaelement-and-player.js
535 ms
spotlight.js
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base.css
408 ms
layout.css
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menus.css
515 ms
modules.css
526 ms
tools.css
535 ms
system.css
545 ms
system.css
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system-all.css
651 ms
responsive.css
560 ms
print.css
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fabric_dark.png
291 ms
pt_br.gif
232 ms
es_es.gif
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en.gif
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logo_itau.gif
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logo.png
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searchbox_magnifier.png
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new_layout.png
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image1-a933d7855e.jpg
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image2-d8d2ffc395.jpg
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image4-f1d1bf9530.jpg
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bibnacional.jpg
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cultura.jpg
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nav.png
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fabric.png
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breadcrumbs.png
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header_stripes.png
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pagination.png
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DroidSans-webfont.woff
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slideshow.js
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slideset.js
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list_check.png
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nav.png
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header_stripes_dark.png
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totop_scroller.png
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performance.png
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database.png
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pedro1.jpg
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sabin.jpg
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biblivre.org.br 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
biblivre.org.br 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
Detected JavaScript libraries
biblivre.org.br 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
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
PT
PT
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biblivre.org.br can be misinterpreted by Google and other search engines. Our service has detected that Portuguese is used on the page, and it matches the claimed language. Our system also found out that Biblivre.org.br 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.
biblivre.org.br
Open Graph description is not detected on the main page of Biblivre. 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: