Tools & Wizards About Us
rafadiaz.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

rafadiaz.com

Aula del profesor Rafa Díaz

Page Load Speed

4.2 sec in total

First Response

314 ms

Resources Loaded

3.6 sec

Page Rendered

319 ms

rafadiaz.com screenshot

About Website

Visit rafadiaz.com now to see the best up-to-date Rafa Diaz content for Spain and also check out these interesting facts you probably never knew about rafadiaz.com

Aula del profesor Rafael Díaz

Visit rafadiaz.com

Key Findings

We analyzed Rafadiaz.com page load time and found that the first response time was 314 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rafadiaz.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

rafadiaz.com

314 ms

aula.rafadiaz.com

1179 ms

yui_combo.php

132 ms

all

642 ms

css

33 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Rafadiaz.com, 73% (19 requests) were made to Aula.rafadiaz.com and 8% (2 requests) were made to Encrypted-tbn0.gstatic.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Aula.rafadiaz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.7 kB (6%)

Content Size

698.3 kB

After Optimization

654.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rafadiaz.com main page is 698.3 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. 30% of websites need less resources to load. Images take 573.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 30.3 kB

  • Original 39.8 kB
  • After minification 36.7 kB
  • After compression 9.5 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 30.3 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 13.3 kB

  • Original 573.2 kB
  • After minification 559.9 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. Rafa Diaz images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 107 B

  • Original 85.2 kB
  • After minification 85.2 kB
  • After compression 85.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 6 (29%)

Requests Now

21

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rafa Diaz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rafadiaz.com

rafadiaz.com

314 ms

aula.rafadiaz.com

aula.rafadiaz.com

1179 ms

yui_combo.php

yui_combo.php

132 ms

all

all

642 ms

css

css

33 ms

polyfill.min.js

polyfill.min.js

476 ms

polyfill.js

polyfill.js

379 ms

yui_combo.php

yui_combo.php

604 ms

javascript-static.js

javascript-static.js

386 ms

require.min.js

require.min.js

384 ms

450_1000.jpg

450_1000.jpg

198 ms

bipolaridad.jpg

bipolaridad.jpg

202 ms

images

images

229 ms

images

images

230 ms

image%20%281%29.jpg

image%20%281%29.jpg

244 ms

berlin.jpg

berlin.jpg

384 ms

geo.jpg

geo.jpg

363 ms

carabelas.jpg

carabelas.jpg

281 ms

pxiEyp8kv8JHgFVrJJfedw.ttf

pxiEyp8kv8JHgFVrJJfedw.ttf

101 ms

Simple-Line-Icons.ttf

Simple-Line-Icons.ttf

261 ms

iStock-1208212294-1820x1213.jpg

iStock-1208212294-1820x1213.jpg

646 ms

course

course

234 ms

footer-bg

footer-bg

461 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

369 ms

yui_combo.php

yui_combo.php

268 ms

first.js

first.js

633 ms

Accessibility Review

rafadiaz.com accessibility score

80

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

rafadiaz.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

rafadiaz.com 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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rafadiaz.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Rafadiaz.com 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

rafadiaz.com

Open Graph description is not detected on the main page of Rafa Diaz. 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: