Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

bibliotecadigital.icesi.edu.co

Biblioteca Digital - Universidad icesi: Home

Page Load Speed

5.8 sec in total

First Response

1.6 sec

Resources Loaded

4.1 sec

Page Rendered

146 ms

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

Visit bibliotecadigital.icesi.edu.co

Key Findings

We analyzed Bibliotecadigital.icesi.edu.co page load time and found that the first response time was 1.6 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

bibliotecadigital.icesi.edu.co performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

1585 ms

jquery-ui-1.10.3.custom.css

175 ms

bootstrap.min.css

445 ms

dspace-theme.css

267 ms

icesi-theme.min.css

356 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bibliotecadigital.icesi.edu.co, 7% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Repository.icesi.edu.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 525.4 kB (60%)

Content Size

881.5 kB

After Optimization

356.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bibliotecadigital.icesi.edu.co main page is 881.5 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. 30% of websites need less resources to load. Javascripts take 486.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 28.7 kB

  • Original 34.4 kB
  • After minification 25.7 kB
  • After compression 5.7 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. This page needs HTML code to be minified as it can gain 8.7 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 28.7 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 8.0 kB

  • Original 176.4 kB
  • After minification 168.5 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. Biblioteca Digital Icesi images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 336.8 kB

  • Original 486.7 kB
  • After minification 468.1 kB
  • After compression 149.8 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 336.8 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 151.9 kB

  • Original 183.9 kB
  • After minification 176.3 kB
  • After compression 32.0 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 151.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (55%)

Requests Now

38

After Optimization

17

  • 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 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bibliotecadigital.icesi.edu.co accessibility score

89

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

75

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

High

Browser errors were logged to the console

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

    UTF-8

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 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

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: