Access preupdvonline.cl. Preuniversitario Pedro de Valdivia: Preparación la PAES 2022

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value13,130 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.922

3/100

15%

TTI (Time to Interactive)

Value24.2 s

0/100

10%

preupdvonline.cl

119 ms

www.preupdv.cl

1098 ms

gtm.js

269 ms

new-style.css

121 ms

loading.css

822 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Preupdvonline.cl, 57% (51 requests) were made to Preupdv.cl and 6% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Preupdv.cl.

Content Size

1.7 MB

After Optimization

1.6 MB

In fact, the total size of Preupdvonline.cl main page is 1.7 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

-84%

Potential reduce by 82.8 kB

Original 98.8 kB
After minification 69.4 kB
After compression 16.0 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. This page needs HTML code to be minified as it can gain 29.4 kB, which is 30% 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 82.8 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 3.0 kB

Original 1.1 MB
After minification 1.1 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. Preupdvonline images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 35.1 kB

Original 413.4 kB
After minification 413.1 kB
After compression 378.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 2.1 kB

Original 42.3 kB
After minification 42.3 kB
After compression 40.3 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. Preupdvonline.cl has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Preupdvonline. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

High

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

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 Preupdvonline.cl 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 Preupdvonline.cl 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

preupdvonline.cl

Open Graph data is detected on the main page of Preupdvonline. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Preuniversitario Pedro de Valdivia: Preparación la PAES 2022

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

preupdvonline.cl

www.preupdv.cl

gtm.js

new-style.css

loading.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

preupdvonline.cl

www.preupdv.cl

gtm.js

new-style.css

loading.css

shareaholic.js

cookie-law-info-public.css

cookie-law-info-gdpr.css

pagenavi-css.css

css

css

css

style.css

stylo.css

jquery.js

jquery-migrate.min.js

cookie-law-info-public.js

pixeltracking.js

chat

ld.js

tracking.php

js

cookie-law-info-table.css

jquery.fancybox.pack.js

slick.min.js

slidebars.min.js

jquery.flexslider-min.js

jquery.validate.js

jquery.matchHeight.js

main.js

wp-embed.min.js

conversion.js

jquery.min.js

jquery.Rut.min.js

dropdown.js

lity.min.js

jquery.validate.min.js

jquery-ui.min.js

contact.js

validaciones-modopdv.js

domain_profile.cfm

js

analytics.js