Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

cada.es

Corrección automática de exámenes tipo test - CADA

Page Load Speed

3.4 sec in total

First Response

410 ms

Resources Loaded

2.7 sec

Page Rendered

234 ms

About Website

Click here to check amazing CADA content for Mexico. Otherwise, check out these important facts you probably never knew about cada.es

Lectores ópticos y software para la corrección automática de exámenes tipo test y procesamiento de encuestas. Capture e interprete sus datos.

Visit cada.es

Key Findings

We analyzed Cada.es page load time and found that the first response time was 410 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cada.es performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

cada.es

410 ms

cadasistemas.e.telefonica.net

768 ms

style.css

317 ms

css_browser_selector.js

215 ms

jquery.min.js

537 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Cada.es, 84% (43 requests) were made to Cadasistemas.e.telefonica.net and 10% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cadasistemas.e.telefonica.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.1 kB (25%)

Content Size

671.1 kB

After Optimization

505.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cada.es main page is 671.1 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. 35% of websites need less resources to load. Images take 499.2 kB which makes up the majority of the site volume.

HTML Optimization

-17%

Potential reduce by 17 B

  • Original 100 B
  • After minification 98 B
  • After compression 83 B

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 17 B or 17% of the original size.

Image Optimization

-11%

Potential reduce by 54.3 kB

  • Original 499.2 kB
  • After minification 444.9 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, CADA needs image optimization as it can save up to 54.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 65.1 kB

  • Original 117.9 kB
  • After minification 116.3 kB
  • After compression 52.8 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 65.1 kB or 55% of the original size.

CSS Optimization

-87%

Potential reduce by 46.7 kB

  • Original 53.9 kB
  • After minification 46.5 kB
  • After compression 7.3 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. Cada.es needs all CSS files to be minified and compressed as it can save up to 46.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (82%)

Requests Now

50

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CADA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cada.es accessibility score

94

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

Low

No form fields have multiple labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

cada.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cada.es SEO score

100

Search Engine Optimization Advices

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cada.es 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 Cada.es main page’s claimed encoding is . 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 CADA. 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: