Access blackbox.es. Proveedor global de productos de TI y soluciones de red

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value2,770 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

index.aspx

388 ms

1514 ms

gtm.js

169 ms

main.min.css

102 ms

main.min.css

53 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Blackbox.es, 13% (17 requests) were made to Blackbox.com and 7% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Blackbox.com.

Content Size

6.1 MB

After Optimization

4.7 MB

In fact, the total size of Blackbox.es main page is 6.1 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. Only a small number of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 174.9 kB

Original 203.1 kB
After minification 156.5 kB
After compression 28.2 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 46.6 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 174.9 kB or 86% of the original size.

Image Optimization

-21%

Potential reduce by 1.1 MB

Original 5.1 MB
After minification 4.1 MB

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, Black Box needs image optimization as it can save up to 1.1 MB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 59.6 kB

Original 452.5 kB
After minification 452.3 kB
After compression 392.8 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 59.6 kB or 13% of the original size.

CSS Optimization

-30%

Potential reduce by 84.9 kB

Original 282.9 kB
After minification 282.9 kB
After compression 198.0 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. Blackbox.es needs all CSS files to be minified and compressed as it can save up to 84.9 kB or 30% of the original size.

Requests Now

115

After Optimization

The browser has sent 115 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 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

ES
Language Claimed

ES
Encoding

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.

Social Sharing Optimization

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Proveedor global de productos de TI y soluciones de red | Black Box

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

index.aspx

gtm.js

main.min.css

main.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

index.aspx

gtm.js

main.min.css

main.min.css

PageTracker.min.js

ScriptResource.axd

ScriptResource.axd

ScriptResource.axd

css2

css

api.js

project.min.js

common.min.js

language-selector.min.js

Search-box.min.js

WebResource.axd

jquery.lazy.min.js

jquery.lazy.plugins.min.js

linkedin.png

logo_light.png

logo_dark.png

twitter.png

facebook.png

instagram.png

youtube.png

nav_global_presence.png

nav_gsi.png

nav_tps.png

nav_overview.png

nav_our_partners.png

nav_all_products.png

desktop_banner_2024_3.jpg

desktop_mobile_2024_3.jpg

deskvue_desktop_banner_v2_2407.jpg

deskvue_mobile_banner_2407.jpg

bb-webpage_banner_hyperscale_dc.jpg

bb-webpage_mobile_hyperscale_dc.jpg

cx_bb-webpage_banner.jpg

cx_bb-webpage_mobile_banner.jpg

broadcast_1920-x-608.jpg

broadcast_banner_mobile_new.jpg

global.png

partnership.png

active-client.png