Tools & Wizards About Us
recopilation.danieldona.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    72% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

recopilation.danieldona.com

Recopilation: Books Exercises Tutorials Notes Courses Videos Webs Test Games

Page Load Speed

3.4 sec in total

First Response

236 ms

Resources Loaded

2.7 sec

Page Rendered

453 ms

recopilation.danieldona.com screenshot

About Website

Visit recopilation.danieldona.com now to see the best up-to-date Recopilation Danieldona content for Spain and also check out these interesting facts you probably never knew about recopilation.danieldona.com

Recopilation of best web sites and education resources: courses , tutorials , exercises , videos , test , games y much more

Visit recopilation.danieldona.com

Key Findings

We analyzed Recopilation.danieldona.com page load time and found that the first response time was 236 ms and then it took 3.1 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

recopilation.danieldona.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

recopilation.danieldona.com

236 ms

index.php

670 ms

0_recopilation_enobras.css

79 ms

jquery.js

316 ms

funciones-cookies.js

142 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 99% of them (108 requests) were addressed to the original Recopilation.danieldona.com, 1% (1 request) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (670 ms) belongs to the original domain Recopilation.danieldona.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 205.3 kB (18%)

Content Size

1.1 MB

After Optimization

928.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Recopilation.danieldona.com 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. 55% of websites need less resources to load. Images take 841.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 39.8 kB

  • Original 45.4 kB
  • After minification 34.1 kB
  • After compression 5.7 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 11.3 kB, which is 25% 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 39.8 kB or 88% of the original size.

Image Optimization

-1%

Potential reduce by 11.1 kB

  • Original 841.8 kB
  • After minification 830.7 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. Recopilation Danieldona images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 96.4 kB

  • Original 178.8 kB
  • After minification 171.5 kB
  • After compression 82.4 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 96.4 kB or 54% of the original size.

CSS Optimization

-86%

Potential reduce by 58.1 kB

  • Original 67.5 kB
  • After minification 39.8 kB
  • After compression 9.4 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. Recopilation.danieldona.com needs all CSS files to be minified and compressed as it can save up to 58.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (28%)

Requests Now

106

After Optimization

76

  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Recopilation Danieldona. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

recopilation.danieldona.com

recopilation.danieldona.com

236 ms

index.php

index.php

670 ms

0_recopilation_enobras.css

0_recopilation_enobras.css

79 ms

jquery.js

jquery.js

316 ms

funciones-cookies.js

funciones-cookies.js

142 ms

5_visibilidad_div.js

5_visibilidad_div.js

171 ms

issuu.js

issuu.js

172 ms

archive.js

archive.js

183 ms

dailymotion.js

dailymotion.js

153 ms

youtube.js

youtube.js

227 ms

vimeo.js

vimeo.js

227 ms

tutv.js

tutv.js

253 ms

archiveVideos.js

archiveVideos.js

253 ms

pixabay.js

pixabay.js

265 ms

gettyimages.js

gettyimages.js

289 ms

shutterstock.js

shutterstock.js

293 ms

prezi.js

prezi.js

363 ms

openlibra.js

openlibra.js

364 ms

amazonlibro.js

amazonlibro.js

364 ms

lacasadellibro.js

lacasadellibro.js

365 ms

intechopen.js

intechopen.js

365 ms

ck12.js

ck12.js

376 ms

rakuten_kobo.js

rakuten_kobo.js

442 ms

udemy.js

udemy.js

441 ms

tutellus.js

tutellus.js

443 ms

coursera.js

coursera.js

445 ms

educaplay.js

educaplay.js

445 ms

cerebriti.js

cerebriti.js

445 ms

openaire.js

openaire.js

515 ms

base.js

base.js

513 ms

consultaBBDDrecursos.js

consultaBBDDrecursos.js

512 ms

5_principal_form_contacto.js

5_principal_form_contacto.js

508 ms

slideshare2.js

slideshare2.js

505 ms

platform.js

platform.js

58 ms

Home32.png

Home32.png

66 ms

Sobre32.png

Sobre32.png

77 ms

upload32.png

upload32.png

75 ms

Vacia_32.png

Vacia_32.png

81 ms

compartir_twitter32.png

compartir_twitter32.png

81 ms

compartir_facebook32.png

compartir_facebook32.png

65 ms

compartir_googleplus32.png

compartir_googleplus32.png

136 ms

compartir_linkedin32.png

compartir_linkedin32.png

136 ms

compartir_pinterest32.png

compartir_pinterest32.png

136 ms

Buscar32.png

Buscar32.png

157 ms

Spanish32.png

Spanish32.png

156 ms

English32.png

English32.png

157 ms

recopilation.png

recopilation.png

311 ms

informatica.jpg

informatica.jpg

205 ms

informatica.png

informatica.png

206 ms

alimentacion.jpg

alimentacion.jpg

248 ms

alimentacion.png

alimentacion.png

247 ms

astronomia.jpg

astronomia.jpg

245 ms

astronomia.png

astronomia.png

265 ms

biologia.jpg

biologia.jpg

319 ms

biologia.png

biologia.png

343 ms

dibujo.jpg

dibujo.jpg

342 ms

dibujo.png

dibujo.png

345 ms

economia.jpg

economia.jpg

345 ms

economia.png

economia.png

360 ms

educacion.jpg

educacion.jpg

367 ms

educacion.png

educacion.png

412 ms

filosofia.jpg

filosofia.jpg

406 ms

filosofia.png

filosofia.png

409 ms

fisica.jpg

fisica.jpg

393 ms

fisica.png

fisica.png

426 ms

geografia.jpg

geografia.jpg

431 ms

geografia.png

geografia.png

453 ms

historia.jpg

historia.jpg

632 ms

historia.png

historia.png

633 ms

ingenieria.jpg

ingenieria.jpg

644 ms

Brushstred.ttf

Brushstred.ttf

498 ms

ingenieria.png

ingenieria.png

627 ms

juegos.jpg

juegos.jpg

618 ms

juegos.png

juegos.png

615 ms

matematicas.jpg

matematicas.jpg

653 ms

matematicas.png

matematicas.png

653 ms

medicinaysalud.jpg

medicinaysalud.jpg

628 ms

medicinaysalud.png

medicinaysalud.png

622 ms

musica.jpg

musica.jpg

616 ms

musica.png

musica.png

596 ms

planetatierra.jpg

planetatierra.jpg

651 ms

planetatierra.png

planetatierra.png

650 ms

psicologia.jpg

psicologia.jpg

606 ms

psicologia.png

psicologia.png

607 ms

quimica.jpg

quimica.jpg

572 ms

quimica.png

quimica.png

593 ms

robotica.jpg

robotica.jpg

634 ms

robotica.png

robotica.png

614 ms

smartphone.jpg

smartphone.jpg

565 ms

smartphone.png

smartphone.png

558 ms

tecnologia.jpg

tecnologia.jpg

558 ms

tecnologia.png

tecnologia.png

574 ms

video.jpg

video.jpg

616 ms

video.png

video.png

622 ms

comic.jpg

comic.jpg

614 ms

comic.png

comic.png

637 ms

cursos.jpg

cursos.jpg

578 ms

cursos.png

cursos.png

610 ms

imagenes.jpg

imagenes.jpg

621 ms

imagenes.png

imagenes.png

607 ms

libro.jpg

libro.jpg

610 ms

libro.png

libro.png

617 ms

buscadores.jpg

buscadores.jpg

647 ms

buscadores.png

buscadores.png

549 ms

webdesign.jpg

webdesign.jpg

448 ms

webdesign.png

webdesign.png

466 ms

CC32.png

CC32.png

457 ms

Cookies32.png

Cookies32.png

457 ms

0_recopilation_enobras_moviles.css

0_recopilation_enobras_moviles.css

90 ms

Accessibility Review

recopilation.danieldona.com accessibility score

64

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

Best Practices

recopilation.danieldona.com best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

recopilation.danieldona.com SEO score

50

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Recopilation.danieldona.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Recopilation.danieldona.com main page’s claimed encoding is windows-1252. 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

recopilation.danieldona.com

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