Tools & Wizards About Us
bibliotecadigital.icesi.edu.co screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

bibliotecadigital.icesi.edu.co

Biblioteca Digital - Universidad icesi: Home

Page Load Speed

11 sec in total

First Response

3.9 sec

Resources Loaded

6.8 sec

Page Rendered

227 ms

bibliotecadigital.icesi.edu.co screenshot

About Website

Click here to check amazing Biblioteca Digital Icesi content for Colombia. Otherwise, check out these important facts you probably never knew about bibliotecadigital.icesi.edu.co

La Biblioteca Digital es una herramienta que permite el acceso libre a documentos en texto completo, producción intelectual de la Universidad Icesi con proceso editorial formal por parte de la Univers...

Visit bibliotecadigital.icesi.edu.co

Key Findings

We analyzed Bibliotecadigital.icesi.edu.co page load time and found that the first response time was 3.9 sec and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

bibliotecadigital.icesi.edu.co performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value5,540 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.3 s

7/100

10%

Network Requests Diagram

3931 ms

jquery-ui-1.10.3.custom.css

440 ms

bootstrap.min.css

701 ms

dspace-theme.css

183 ms

icesi-theme.min.css

354 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 86% of them (36 requests) were addressed to the original Bibliotecadigital.icesi.edu.co, 7% (3 requests) were made to S7.addthis.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Bibliotecadigital.icesi.edu.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (66%)

Content Size

1.6 MB

After Optimization

540.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bibliotecadigital.icesi.edu.co main page is 1.6 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. 35% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 120.2 kB

  • Original 153.2 kB
  • After minification 141.8 kB
  • After compression 33.0 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 120.2 kB or 78% of the original size.

Image Optimization

-14%

Potential reduce by 21.9 kB

  • Original 161.6 kB
  • After minification 139.7 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 Digital Icesi needs image optimization as it can save up to 21.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 744.2 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 337.6 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 744.2 kB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 143.6 kB

  • Original 174.1 kB
  • After minification 168.7 kB
  • After compression 30.5 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. Bibliotecadigital.icesi.edu.co needs all CSS files to be minified and compressed as it can save up to 143.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (58%)

Requests Now

38

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblioteca Digital Icesi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

3931 ms

jquery-ui-1.10.3.custom.css

jquery-ui-1.10.3.custom.css

440 ms

bootstrap.min.css

bootstrap.min.css

701 ms

dspace-theme.css

dspace-theme.css

183 ms

icesi-theme.min.css

icesi-theme.min.css

354 ms

modernizr-2.6.2.min.js

modernizr-2.6.2.min.js

350 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

698 ms

jquery-ui-1.10.3.custom.min.js

jquery-ui-1.10.3.custom.min.js

1606 ms

bootstrap.min.js

bootstrap.min.js

623 ms

holder.js

holder.js

555 ms

utils.js

utils.js

516 ms

choice-support.js

choice-support.js

881 ms

jquery.jplayer.min.js

jquery.jplayer.min.js

1144 ms

importer-api.js

importer-api.js

717 ms

addthis_widget.js

addthis_widget.js

13 ms

app.js

app.js

796 ms

analytics.js

analytics.js

34 ms

icesi-logo.svg

icesi-logo.svg

556 ms

pt.png

pt.png

391 ms

de.png

de.png

485 ms

en.png

en.png

570 ms

es.png

es.png

571 ms

364662

364662

1011 ms

364651

364651

838 ms

364652

364652

845 ms

364653

364653

847 ms

364654

364654

842 ms

364655

364655

1027 ms

364656

364656

1028 ms

364658

364658

1029 ms

373448

373448

1031 ms

364659

364659

1195 ms

364660

364660

1224 ms

364661

364661

1225 ms

home_image.jpg

home_image.jpg

2018 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1356 ms

icesi_icons.woff

icesi_icons.woff

1440 ms

collect

collect

32 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1652 ms

layers.3643cb2e25fb91c29386.js

layers.3643cb2e25fb91c29386.js

26 ms

300lo.json

300lo.json

79 ms

sh.7c7179124ea24ac6ba46caac.html

sh.7c7179124ea24ac6ba46caac.html

69 ms

Accessibility Review

bibliotecadigital.icesi.edu.co accessibility score

90

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

bibliotecadigital.icesi.edu.co best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

bibliotecadigital.icesi.edu.co SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliotecadigital.icesi.edu.co can be misinterpreted by Google and other search engines. Our service has detected that English 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 Bibliotecadigital.icesi.edu.co 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.

Social Sharing Optimization

bibliotecadigital.icesi.edu.co

Open Graph description is not detected on the main page of Biblioteca Digital Icesi. 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: