6.9 sec in total
375 ms
6.1 sec
381 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 375 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
blackbox.co.uk performance score
name
value
score
weighting
Value6.1 s
3/100
10%
Value13.0 s
0/100
25%
Value8.5 s
18/100
10%
Value110 ms
98/100
30%
Value0.22
57/100
15%
Value12.2 s
15/100
10%
375 ms
1449 ms
2233 ms
520 ms
1558 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 76% of them (64 requests) were addressed to the original Blackbox.co.uk, 6% (5 requests) were made to Google-analytics.com and 4% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Blackbox.co.uk.
Page size can be reduced by 631.4 kB (44%)
1.4 MB
797.4 kB
In fact, the total size of Blackbox.co.uk main page is 1.4 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. 30% of websites need less resources to load. Javascripts take 654.6 kB which makes up the majority of the site volume.
Potential reduce by 48.6 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 48.6 kB or 79% of the original size.
Potential reduce by 15.0 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 464.2 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 464.2 kB or 71% of the original size.
Potential reduce by 103.6 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 103.6 kB or 84% of the original size.
Number of requests can be reduced by 36 (48%)
75
39
The browser has sent 75 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 28 to 1 for JavaScripts and as a result speed up the page load time.
blackbox.co.uk
375 ms
1449 ms
All.css
2233 ms
prettyPhoto.css
520 ms
jquery-1.8.2.min.js
1558 ms
jquery-ui-1.8.15.custom.min.js
1142 ms
jquery.jcarousel.min.js
360 ms
jquery.hoverIntent.minified.js
389 ms
jquery.prettyPhoto.js
649 ms
jquery.marcopolo.js
665 ms
AutoSuggestController.js
855 ms
bootstrap.js
774 ms
knockout-2.2.1.js
794 ms
Shop.js
905 ms
Default.js
925 ms
bo.misc.js
1553 ms
bo.tooltip.js
1030 ms
swfobject.js
1049 ms
ShopController.js
1173 ms
PageTracker.js
1079 ms
homepage_v3.css
1036 ms
jquery.tools.1.2.6.js
1066 ms
owl.carousel.min.js
1068 ms
elqQ.js
769 ms
elqCfg.js
807 ms
elqImg.js
805 ms
conversion.js
118 ms
analytics.js
111 ms
j.php
95 ms
ajax-loader.gif
150 ms
ALL.Header_Background.png
152 ms
gb.Header_Background.png
314 ms
gb.Header_ShopLogo.png
152 ms
icon_search.png
150 ms
gb.Header_TalkToTech.png
150 ms
2016-02-mediacento-4k.jpg
1734 ms
2016-02-promotion.jpg
933 ms
2016-02-industrial-control-rooms.jpg
1558 ms
2016-01-services.jpg
697 ms
homepage-2015-06-technology-products.jpg
330 ms
homepage-2015-06-services.jpg
651 ms
homepage-2015-06-resources.jpg
575 ms
blackbox_footer_logo.gif
723 ms
gb_Newsletter_tab.png
924 ms
heroCarousel_topbanner_bg.jpg
787 ms
ul_left.gif
809 ms
ecommerce.js
66 ms
v.gif
60 ms
backgroundSliderRepeat_v3none.jpg
839 ms
OpenSans-Light-webfont.woff
837 ms
collect
133 ms
collect
149 ms
collect
149 ms
safe-standard.js
1325 ms
svrGP.aspx
278 ms
287 ms
16-12_Menu.js
1110 ms
elqCfg.min.js
183 ms
collect
279 ms
collect
320 ms
svrGP.aspx
202 ms
svrGP
188 ms
278 ms
ga-audiences
233 ms
ga-audiences
176 ms
6881.jpg
131 ms
5937.jpg
148 ms
1180.jpg
135 ms
3458.jpg
144 ms
5435.jpg
268 ms
7848.jpg
270 ms
2592.jpg
284 ms
1669.jpg
292 ms
4764.jpg
348 ms
4190.jpg
399 ms
GB.Label_New.png
411 ms
GB.Label_Promotion.png
424 ms
GB.Label_WarehouseClearance.png
437 ms
Coalesce-banner-menublock-320x45pix-EN.jpg
496 ms
2016-01-free-consultation-500x45-EN.jpg
653 ms
2015-05-cable-selector-guide-500-pix.jpg
671 ms
my-black-box_ad.jpg
551 ms
0vzzvsataev2o0t9tov8e8sg9f
130 ms
gb_Chat_OFF_tab.png
601 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
[aria-hidden="true"] elements contain focusable descendents
[role]s do not have all required [aria-*] attributes
ARIA IDs are not unique
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
blackbox.co.uk 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
Browser errors were logged to the console
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: