8.8 sec in total
69 ms
8.5 sec
202 ms
Visit blackboxradios.com now to see the best up-to-date Blackbox Radios content and also check out these interesting facts you probably never knew about blackboxradios.com
Klein Electronics offers a variety of 2-way radios & push-to-talk over cellular (PoC) accessories for all your professional communication needs.
Visit blackboxradios.comWe analyzed Blackboxradios.com page load time and found that the first response time was 69 ms and then it took 8.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
blackboxradios.com performance score
name
value
score
weighting
Value4.0 s
23/100
10%
Value7.7 s
3/100
25%
Value9.1 s
14/100
10%
Value2,910 ms
3/100
30%
Value0.755
6/100
15%
Value13.6 s
11/100
10%
69 ms
151 ms
126 ms
4573 ms
201 ms
Our browser made a total of 131 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Blackboxradios.com, 34% (45 requests) were made to Cdn11.bigcommerce.com and 24% (32 requests) were made to Kleinelectronics.com. The less responsive or slowest element that took the longest time to load (4.6 sec) relates to the external source Kleinelectronics.com.
Page size can be reduced by 432.9 kB (32%)
1.4 MB
917.6 kB
In fact, the total size of Blackboxradios.com 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. 80% 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 723.3 kB which makes up the majority of the site volume.
Potential reduce by 393.1 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 59.7 kB, which is 13% 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 393.1 kB or 84% of the original size.
Potential reduce by 939 B
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. Blackbox Radios images are well optimized though.
Potential reduce by 38.8 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 38.8 kB or 27% of the original size.
Potential reduce by 63 B
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. Blackboxradios.com has all CSS files already compressed.
Number of requests can be reduced by 44 (48%)
92
48
The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackbox Radios. 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 from 12 to 1 for CSS and as a result speed up the page load time.
blackboxradios.com
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www.kleinelectronics.com
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blackboxradios.com 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
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
blackboxradios.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
blackboxradios.com SEO score
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
EN
EN
N/A
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackboxradios.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Blackboxradios.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
blackboxradios.com
Open Graph description is not detected on the main page of Blackbox Radios. 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: