1.7 sec in total
148 ms
1.2 sec
371 ms
Welcome to blackbox.email homepage info - get ready to check Blackbox best content right away, or after learning these important things about blackbox.email
Preemptive compliance and list threat assessments used by the world's most Trusted Email Service Providers (ESPs) and CRMs.
Visit blackbox.emailWe analyzed Blackbox.email page load time and found that the first response time was 148 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
blackbox.email performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value12.6 s
0/100
25%
Value10.0 s
9/100
10%
Value4,180 ms
1/100
30%
Value0.788
5/100
15%
Value23.2 s
1/100
10%
148 ms
32 ms
248 ms
100 ms
372 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 51% of them (40 requests) were addressed to the original Blackbox.email, 14% (11 requests) were made to Cdn2.hubspot.net and 12% (9 requests) were made to Js.chargebee.com. The less responsive or slowest element that took the longest time to load (463 ms) belongs to the original domain Blackbox.email.
Page size can be reduced by 111.0 kB (1%)
10.8 MB
10.7 MB
In fact, the total size of Blackbox.email main page is 10.8 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 10.3 MB which makes up the majority of the site volume.
Potential reduce by 78.9 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 11.9 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 78.9 kB or 84% of the original size.
Potential reduce by 12.3 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. Blackbox images are well optimized though.
Potential reduce by 18.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 1.8 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.email needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 20% of the original size.
Number of requests can be reduced by 42 (57%)
74
32
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackbox. 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 10 to 1 for CSS and as a result speed up the page load time.
blackbox.email
148 ms
jquery-1.11.2.js
32 ms
module_38166987463_Black_Box_ChargeBee_Pricing_and_Packages_Module.min.css
248 ms
layout.min.css
100 ms
header_footer.min.css
372 ms
home.min.css
259 ms
font-awesome.css
49 ms
js
79 ms
chargebee.js
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menu.js
240 ms
owl.carousel%20new.css
272 ms
owl.js
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embed.js
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project.js
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module_38166987463_Black_Box_ChargeBee_Pricing_and_Packages_Module.js
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v2.js
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451874.js
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index.js
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EmailIndustries-Nov2014-main.js
463 ms
css
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200-d06b8590700b73763614.js
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blackbox_logo-2.png
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blackbox.email 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
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.email 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
blackbox.email 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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blackbox.email 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 Blackbox.email 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.email
Open Graph data is detected on the main page of Blackbox. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: