2.9 sec in total
144 ms
2.7 sec
130 ms
Click here to check amazing Black Box content for United States. Otherwise, check out these important facts you probably never knew about blackbox.co.uk
Black Box Technology Product Solutions. Everything you need for your data network, buy it at Black Box.
Visit blackbox.co.ukWe analyzed Blackbox.co.uk page load time and found that the first response time was 144 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
blackbox.co.uk performance score
name
value
score
weighting
Value5.1 s
9/100
10%
Value8.9 s
1/100
25%
Value6.4 s
41/100
10%
Value900 ms
31/100
30%
Value0.079
94/100
15%
Value10.2 s
25/100
10%
144 ms
92 ms
185 ms
277 ms
812 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 74% of them (42 requests) were addressed to the original Blackbox.co.uk, 7% (4 requests) were made to Image.providesupport.com and 5% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (893 ms) belongs to the original domain Blackbox.co.uk.
Page size can be reduced by 177.6 kB (16%)
1.1 MB
909.4 kB
In fact, the total size of Blackbox.co.uk 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. 40% of websites need less resources to load. Images take 616.4 kB which makes up the majority of the site volume.
Potential reduce by 37.0 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 37.0 kB or 77% of the original size.
Potential reduce by 16.2 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. Black Box images are well optimized though.
Potential reduce by 75.3 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 75.3 kB or 26% of the original size.
Potential reduce by 49.2 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.co.uk needs all CSS files to be minified and compressed as it can save up to 49.2 kB or 36% of the original size.
Number of requests can be reduced by 32 (58%)
55
23
The browser has sent 55 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 25 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
144 ms
bootstrap.min.css
92 ms
All.css
185 ms
prettyPhoto.css
277 ms
style.css
812 ms
css
34 ms
jquery-3.6.0.min.js
372 ms
jquery-ui-1.13.1.min.js
573 ms
jquery.jcarousel.min.js
382 ms
jquery.hoverIntent.minified.js
391 ms
jquery.prettyPhoto.js
464 ms
scripts.js
478 ms
jquery.marcopolo.js
489 ms
AutoSuggestController.js
555 ms
bootstrap.js
573 ms
bootstrap.min.js
587 ms
knockout-3.5.1.js
649 ms
Shop.js
651 ms
Default.js
666 ms
bo.misc.js
666 ms
bo.tooltip.js
684 ms
ShopController.js
739 ms
PageTracker.js
738 ms
home_v2016-10.css
760 ms
jquery.tools.1.2.7.js
761 ms
owl.carousel.min.js
782 ms
BB_COM_style_overide.css
826 ms
css2
21 ms
analytics.js
69 ms
gb_Newsletter_tab.png
107 ms
css
58 ms
ajax-loader.gif
162 ms
ALL.Header_blackbox-logo.png
161 ms
ul_left.gif
161 ms
GB.svg
159 ms
logo_light.png
160 ms
logo_dark.png
188 ms
Homepage_DESKVUE_ISE23_1920x1080.jpg
527 ms
Home_2303_ControlRoom.jpg
570 ms
Home_2303_Emerald.jpg
443 ms
Home_2303_Hospitality.jpg
893 ms
font
31 ms
ionicons.ttf
681 ms
ecommerce.js
8 ms
collect
20 ms
js
87 ms
font
31 ms
font
73 ms
safe-standard.js
94 ms
16-12_Menu.js
128 ms
static.js
19 ms
offline-762664270.png
49 ms
0vzzvsataev2o0t9tov8e8sg9f
34 ms
menu_thumb_discover.jpg
26 ms
Emerald_Menu_Banner.png
94 ms
2015-05-cable-selector-guide-500-pix.jpg
187 ms
my-black-box_ad.jpg
273 ms
blackbox.co.uk 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
[role]s do not have all required [aria-*] attributes
ARIA IDs are not unique
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
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
[lang] attributes do not have a valid value
blackbox.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Browser errors were logged to the console
Page has valid source maps
blackbox.co.uk 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackbox.co.uk 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 Blackbox.co.uk 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.co.uk
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: