8.1 sec in total
446 ms
7 sec
687 ms
Click here to check amazing Black Box content. Otherwise, check out these important facts you probably never knew about blackbox.es
Black Box es el proveedor líder de cableado de cobre, cableado de conexión y cable a granel para el sistema de comunicaciones de su empresa. Póngase en contacto con nosotros hoy.
Visit blackbox.esWe analyzed Blackbox.es page load time and found that the first response time was 446 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
blackbox.es performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value18.5 s
0/100
25%
Value14.5 s
1/100
10%
Value4,900 ms
0/100
30%
Value0.04
99/100
15%
Value21.8 s
1/100
10%
446 ms
2503 ms
116 ms
58 ms
113 ms
Our browser made a total of 196 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Blackbox.es, 12% (24 requests) were made to Blackbox.com and 5% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) relates to the external source Blackbox.com.
Page size can be reduced by 385.6 kB (12%)
3.3 MB
2.9 MB
In fact, the total size of Blackbox.es main page is 3.3 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 214.7 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 57.1 kB, which is 23% 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 214.7 kB or 87% of the original size.
Potential reduce by 83.7 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. Black Box images are well optimized though.
Potential reduce by 2.6 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.
Potential reduce by 84.5 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. Blackbox.es needs all CSS files to be minified and compressed as it can save up to 84.5 kB or 30% of the original size.
Number of requests can be reduced by 26 (14%)
182
156
The browser has sent 182 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Box. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
index.aspx
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gtm.js
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main.min.css
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main.min.css
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PageTracker.min.js
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ScriptResource.axd
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api.js
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css
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css2
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project.min.js
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common.min.js
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language-selector.min.js
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jquery.lazy.min.js
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jquery.lazy.plugins.min.js
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js
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js
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analytics.js
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insight.min.js
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logo_light.png
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contact.png
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logo_dark.png
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menu_thumb_discover.jpg
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blackbox.es accessibility score
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
ARIA input fields do not have accessible names
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
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
blackbox.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
blackbox.es SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
ES
ES
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackbox.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 Blackbox.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.
blackbox.es
Open Graph description is not detected on the main page of Black Box. 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: