Tools & Wizards About Us
cienciadebolsillo.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

cienciadebolsillo.com

Ciencia de Bolsillo

Page Load Speed

2.8 sec in total

First Response

309 ms

Resources Loaded

2.1 sec

Page Rendered

458 ms

cienciadebolsillo.com screenshot

About Website

Visit cienciadebolsillo.com now to see the best up-to-date Ciencia De Bolsillo content and also check out these interesting facts you probably never knew about cienciadebolsillo.com

Ciencia de Bolsillo Últimos contenidos añadidos a la web

Visit cienciadebolsillo.com

Key Findings

We analyzed Cienciadebolsillo.com page load time and found that the first response time was 309 ms and then it took 2.5 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

cienciadebolsillo.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

cienciadebolsillo.com

309 ms

cienciadebolsillo.com

629 ms

estilos.min.css

102 ms

ads.js

198 ms

funciones.js

247 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 58% of them (40 requests) were addressed to the original Cienciadebolsillo.com, 14% (10 requests) were made to Static.xx.fbcdn.net and 6% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (833 ms) relates to the external source Facebook.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.1 kB (14%)

Content Size

897.4 kB

After Optimization

769.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cienciadebolsillo.com main page is 897.4 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. 55% of websites need less resources to load. Images take 812.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 35.7 kB

  • Original 47.0 kB
  • After minification 47.0 kB
  • After compression 11.3 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 35.7 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 90.2 kB

  • Original 812.6 kB
  • After minification 722.4 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, Ciencia De Bolsillo needs image optimization as it can save up to 90.2 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

-6%

Potential reduce by 2.1 kB

  • Original 37.1 kB
  • After minification 37.1 kB
  • After compression 35.0 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

-9%

Potential reduce by 65 B

  • Original 719 B
  • After minification 719 B
  • After compression 654 B

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. Cienciadebolsillo.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (45%)

Requests Now

66

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ciencia De Bolsillo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cienciadebolsillo.com

cienciadebolsillo.com

309 ms

cienciadebolsillo.com

cienciadebolsillo.com

629 ms

estilos.min.css

estilos.min.css

102 ms

ads.js

ads.js

198 ms

funciones.js

funciones.js

247 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

27 ms

google_service.js

google_service.js

22 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

28 ms

jquery.min.js

jquery.min.js

21 ms

widgets.js

widgets.js

98 ms

aviso-cookies.css

aviso-cookies.css

286 ms

aviso-cookies.js

aviso-cookies.js

286 ms

gtm.js

gtm.js

79 ms

comparte.png

comparte.png

456 ms

logomovil.png

logomovil.png

92 ms

creative-commons.jpg

creative-commons.jpg

458 ms

loading.gif

loading.gif

128 ms

bg.jpg

bg.jpg

249 ms

bg_contenido_sup.png

bg_contenido_sup.png

92 ms

bg_contenido.png

bg_contenido.png

91 ms

bg_titular.jpg

bg_titular.jpg

92 ms

logo.png

logo.png

210 ms

btn_twitter.png

btn_twitter.png

210 ms

btn_facebook.png

btn_facebook.png

211 ms

btn_rss.png

btn_rss.png

212 ms

btn_mail.png

btn_mail.png

245 ms

t.gif

t.gif

245 ms

t.gif

t.gif

246 ms

pagizqf.gif

pagizqf.gif

323 ms

pagizq.gif

pagizq.gif

323 ms

pagder.gif

pagder.gif

324 ms

pagderf.gif

pagderf.gif

324 ms

deepsea-break-apart-trim-600.jpg

deepsea-break-apart-trim-600.jpg

478 ms

cartel_naukas_reducido_20170731223519.jpg

cartel_naukas_reducido_20170731223519.jpg

341 ms

00CARTEL-FINAL-CON-LOGOS-640x927.jpg

00CARTEL-FINAL-CON-LOGOS-640x927.jpg

584 ms

Globos%20en%20Venus%20-%20(Custom).jpg

Globos%20en%20Venus%20-%20(Custom).jpg

495 ms

naukas16_20160924205524.jpg

naukas16_20160924205524.jpg

453 ms

regulador_centrifugo_20160630081756.PNG

regulador_centrifugo_20160630081756.PNG

555 ms

red_pulling_an_elephant_20151205173405.jpg

red_pulling_an_elephant_20151205173405.jpg

456 ms

10%20Ciencia%20de%20Bolsillo.PNG

10%20Ciencia%20de%20Bolsillo.PNG

481 ms

btn_buscar.jpg

btn_buscar.jpg

550 ms

Naukas.png

Naukas.png

638 ms

likebox.php

likebox.php

321 ms

like.php

like.php

833 ms

btn-buscar.png

btn-buscar.png

544 ms

bg_contenido_pie.jpg

bg_contenido_pie.jpg

549 ms

bg_tit_menu.jpg

bg_tit_menu.jpg

605 ms

bg_con_menu.jpg

bg_con_menu.jpg

594 ms

icon_menu.jpg

icon_menu.jpg

599 ms

bg-aviso-cookies.png

bg-aviso-cookies.png

637 ms

aviso-cookies.png

aviso-cookies.png

642 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

63 ms

js

js

49 ms

settings

settings

113 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

22 ms

embeds

embeds

48 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.es.html

tweet_button.2f70fb173b9000da126c79afe2098f02.es.html

36 ms

FJBBthOOAnu.css

FJBBthOOAnu.css

19 ms

VWDhCULazb5.js

VWDhCULazb5.js

27 ms

o1ndYS2og_B.js

o1ndYS2og_B.js

56 ms

vxmlpLbAeCj.js

vxmlpLbAeCj.js

57 ms

Q-X-GXL_I_5.js

Q-X-GXL_I_5.js

21 ms

_02W6YRik00.js

_02W6YRik00.js

23 ms

qJoe20iyDr0.js

qJoe20iyDr0.js

24 ms

p55HfXW__mM.js

p55HfXW__mM.js

61 ms

300376865_372840268379569_2769932834615080996_n.jpg

300376865_372840268379569_2769932834615080996_n.jpg

39 ms

300376747_372840265046236_6434782469387391055_n.jpg

300376747_372840265046236_6434782469387391055_n.jpg

36 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

9 ms

FEppCFCt76d.png

FEppCFCt76d.png

2 ms

Accessibility Review

cienciadebolsillo.com accessibility score

73

Accessibility Issues

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

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

cienciadebolsillo.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cienciadebolsillo.com SEO score

86

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

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

    ES

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cienciadebolsillo.com 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 Cienciadebolsillo.com 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

cienciadebolsillo.com

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