4.4 sec in total
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211 ms
Visit blackboxresale.com now to see the best up-to-date Black Box Resale content and also check out these interesting facts you probably never knew about blackboxresale.com
Black Box Resale is your choice for Refurbished and Used Cisco Equipment, Avaya Phones, Nortel Phones and much more.
Visit blackboxresale.comWe analyzed Blackboxresale.com page load time and found that the first response time was 1.3 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
blackboxresale.com performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value6.8 s
7/100
25%
Value7.9 s
23/100
10%
Value1,400 ms
16/100
30%
Value0
100/100
15%
Value7.1 s
52/100
10%
1251 ms
18 ms
43 ms
66 ms
97 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 93% of them (69 requests) were addressed to the original Blackboxresale.com, 4% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Blackboxresale.com.
Page size can be reduced by 251.7 kB (27%)
947.4 kB
695.8 kB
In fact, the total size of Blackboxresale.com main page is 947.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 633.2 kB which makes up the majority of the site volume.
Potential reduce by 48.3 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 48.3 kB or 76% of the original size.
Potential reduce by 21.6 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 Resale images are well optimized though.
Potential reduce by 148.7 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 148.7 kB or 71% of the original size.
Potential reduce by 33.1 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. Blackboxresale.com needs all CSS files to be minified and compressed as it can save up to 33.1 kB or 81% of the original size.
Number of requests can be reduced by 47 (66%)
71
24
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Box Resale. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
www.blackboxresale.com
1251 ms
HttpCombiner.ashx
18 ms
tabcontent.js
43 ms
HttpCombiner.ashx
66 ms
jquery-1.4.2.min.js
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jquery.jcarousel.min.js
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analytics.js
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headersearch.png
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blackboxresale.com accessibility score
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
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
Form elements do not have associated labels
<object> elements do not have alternate text
blackboxresale.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
blackboxresale.com 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
Document uses plugins
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackboxresale.com 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 Blackboxresale.com 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.
blackboxresale.com
Open Graph description is not detected on the main page of Black Box Resale. 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: