Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

dalonperello.com.ar

Dalon Perello

Page Load Speed

3.9 sec in total

First Response

480 ms

Resources Loaded

3.1 sec

Page Rendered

297 ms

dalonperello.com.ar screenshot

About Website

Click here to check amazing Dalon Perello content. Otherwise, check out these important facts you probably never knew about dalonperello.com.ar

Dalon Perello es una escuela de formacion profesional en buenos aires, brinda cursos cortos con rapida salida laboral, carreras profesionales y jornadas de capacitacion

Visit dalonperello.com.ar

Key Findings

We analyzed Dalonperello.com.ar page load time and found that the first response time was 480 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

dalonperello.com.ar performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.349

32/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

dalonperello.com.ar

480 ms

estilos.css

147 ms

blueberry.css

290 ms

jquery.min.js

719 ms

jquery.blueberry.js

289 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 93% of them (27 requests) were addressed to the original Dalonperello.com.ar, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Dalonperello.com.ar.

Page Optimization Overview & Recommendations

Page size can be reduced by 202.4 kB (18%)

Content Size

1.1 MB

After Optimization

930.9 kB

In fact, the total size of Dalonperello.com.ar main page is 1.1 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. 45% of websites need less resources to load. Images take 963.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 6.7 kB

  • Original 9.1 kB
  • After minification 8.5 kB
  • After compression 2.3 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 6.7 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 90.7 kB

  • Original 963.3 kB
  • After minification 872.6 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. Dalon Perello images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 95.4 kB

  • Original 149.2 kB
  • After minification 146.2 kB
  • After compression 53.8 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 95.4 kB or 64% of the original size.

CSS Optimization

-82%

Potential reduce by 9.5 kB

  • Original 11.7 kB
  • After minification 9.1 kB
  • After compression 2.1 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. Dalonperello.com.ar needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

27

After Optimization

27

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dalon Perello. According to our analytics all requests are already optimized.

Accessibility Review

dalonperello.com.ar accessibility score

50

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

dalonperello.com.ar 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dalonperello.com.ar SEO score

92

Search Engine Optimization Advices

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

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

    ES

  • 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 Dalonperello.com.ar can be misinterpreted by Google and other search engines. Our service has detected that Spanish 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 Dalonperello.com.ar 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

Open Graph description is not detected on the main page of Dalon Perello. 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: