Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

cendoc.colciencias.gov.co

CENDOC – Centro de Documentación y Biblioteca de MINCIENCIAS

Page Load Speed

25.8 sec in total

First Response

11.1 sec

Resources Loaded

14.6 sec

Page Rendered

141 ms

cendoc.colciencias.gov.co screenshot

About Website

Visit cendoc.colciencias.gov.co now to see the best up-to-date CENDOC Colciencias content for United States and also check out these interesting facts you probably never knew about cendoc.colciencias.gov.co

Visit cendoc.colciencias.gov.co

Key Findings

We analyzed Cendoc.colciencias.gov.co page load time and found that the first response time was 11.1 sec and then it took 14.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cendoc.colciencias.gov.co performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value9.0 s

15/100

10%

TBT (Total Blocking Time)

Value2,110 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.233

53/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

cendoc.colciencias.gov.co

11084 ms

jquery-ui.css

114 ms

opac.css

231 ms

utilities.js

354 ms

container-min.js

346 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 61% of them (14 requests) were addressed to the original Cendoc.colciencias.gov.co, 9% (2 requests) were made to S7.addthis.com and 9% (2 requests) were made to Organizadatos.com. The less responsive or slowest element that took the longest time to load (11.1 sec) belongs to the original domain Cendoc.colciencias.gov.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 922.9 kB (72%)

Content Size

1.3 MB

After Optimization

364.4 kB

In fact, the total size of Cendoc.colciencias.gov.co main page is 1.3 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. 50% of websites need less resources to load. Javascripts take 872.6 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 40.7 kB

  • Original 58.8 kB
  • After minification 57.6 kB
  • After compression 18.1 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 40.7 kB or 69% of the original size.

Image Optimization

-85%

Potential reduce by 148.4 kB

  • Original 175.0 kB
  • After minification 26.6 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, CENDOC Colciencias needs image optimization as it can save up to 148.4 kB or 85% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 582.5 kB

  • Original 872.6 kB
  • After minification 868.1 kB
  • After compression 290.0 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 582.5 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 151.3 kB

  • Original 180.9 kB
  • After minification 164.5 kB
  • After compression 29.6 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. Cendoc.colciencias.gov.co needs all CSS files to be minified and compressed as it can save up to 151.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (64%)

Requests Now

22

After Optimization

8

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CENDOC Colciencias. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cendoc.colciencias.gov.co accessibility score

52

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.

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

cendoc.colciencias.gov.co best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cendoc.colciencias.gov.co SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cendoc.colciencias.gov.co can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it does not match the claimed English language. Our system also found out that Cendoc.colciencias.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of CENDOC Colciencias. 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: