6.2 sec in total
322 ms
5.6 sec
365 ms
Welcome to science4you.es homepage info - get ready to check Science4you best content for Spain right away, or after learning these important things about science4you.es
Tienda online Science4you de juguetes educativos y científicos para niños y bebés. Juegos educativos para todas las edades con envío gratuito y entrega en 48h.
Visit science4you.esWe analyzed Science4you.es page load time and found that the first response time was 322 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
science4you.es performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value28.1 s
0/100
25%
Value20.3 s
0/100
10%
Value5,700 ms
0/100
30%
Value0.403
25/100
15%
Value23.8 s
1/100
10%
322 ms
1387 ms
38 ms
111 ms
213 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 58% of them (50 requests) were addressed to the original Science4you.es, 8% (7 requests) were made to Apis.google.com and 5% (4 requests) were made to Bc.science4you.es. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Science4you.es.
Page size can be reduced by 453.0 kB (30%)
1.5 MB
1.0 MB
In fact, the total size of Science4you.es main page is 1.5 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. 60% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 96.0 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 96.0 kB or 79% of the original size.
Potential reduce by 115.2 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, Science4you needs image optimization as it can save up to 115.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 44.8 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 44.8 kB or 51% of the original size.
Potential reduce by 197.0 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. Science4you.es needs all CSS files to be minified and compressed as it can save up to 197.0 kB or 78% of the original size.
Number of requests can be reduced by 46 (58%)
80
34
The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science4you. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.
science4you.es
322 ms
www.science4you.es
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jquery-1.9.1.min.js
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modal.css
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k2store.css
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k2store_no_bootstrap.css
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jquery-ui.css
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style.css
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typo.css
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science4you.es accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
science4you.es best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
science4you.es SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
ES
ES
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Science4you.es 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 Science4you.es 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.
science4you.es
Open Graph data is detected on the main page of Science4you. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: