Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

iusc.es

IUSC | Estudios Superiores Presenciales y a Distancia - IUSC International University Study Center

Page Load Speed

5.2 sec in total

First Response

612 ms

Resources Loaded

3.6 sec

Page Rendered

909 ms

iusc.es screenshot

About Website

Welcome to iusc.es homepage info - get ready to check IUSC best content for Mexico right away, or after learning these important things about iusc.es

IUSC ofrece másteres, postgrados y cursos de especialización en las áreas de Ensayos Clínicos, Salud, Dietética y Nutrición, Farmacia, Medio Ambiente, Residuos, Naturaleza, Ciencias Marinas y turismo ...

Visit iusc.es

Key Findings

We analyzed Iusc.es page load time and found that the first response time was 612 ms and then it took 4.5 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

iusc.es performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.16

73/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

www.iusc.es

612 ms

gzip.php

201 ms

screen.css

197 ms

gzip.php

346 ms

gzip.php

212 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 62% of them (43 requests) were addressed to the original Iusc.es, 19% (13 requests) were made to Apis.google.com and 4% (3 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Iusc.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 438.0 kB (27%)

Content Size

1.6 MB

After Optimization

1.2 MB

In fact, the total size of Iusc.es 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. 70% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 63.4 kB

  • Original 79.2 kB
  • After minification 74.0 kB
  • After compression 15.8 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 63.4 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 98.1 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. IUSC images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 274.7 kB

  • Original 406.8 kB
  • After minification 406.7 kB
  • After compression 132.1 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 274.7 kB or 68% of the original size.

CSS Optimization

-73%

Potential reduce by 1.8 kB

  • Original 2.5 kB
  • After minification 1.9 kB
  • After compression 679 B

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. Iusc.es needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (33%)

Requests Now

66

After Optimization

44

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IUSC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

iusc.es accessibility score

91

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

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

iusc.es 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

iusc.es SEO score

90

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iusc.es 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 Iusc.es 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 IUSC. 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: