Tools & Wizards About Us
blackbox.email screenshot

Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

blackbox.email

Blackbox - Preemptive compliance for ESPs and CRMs

Page Load Speed

1.9 sec in total

First Response

243 ms

Resources Loaded

1.3 sec

Page Rendered

362 ms

blackbox.email screenshot

About Website

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.email

Key Findings

We analyzed Blackbox.email page load time and found that the first response time was 243 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 35% of websites can load faster.

Performance Metrics

blackbox.email performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value3,220 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.788

5/100

15%

TTI (Time to Interactive)

Value23.0 s

1/100

10%

Network Requests Diagram

blackbox.email

243 ms

jquery-1.11.2.js

99 ms

module_38166987463_Black_Box_ChargeBee_Pricing_and_Packages_Module.min.css

243 ms

layout.min.css

125 ms

header_footer.min.css

315 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 56% of them (40 requests) were addressed to the original Blackbox.email, 15% (11 requests) were made to Cdn2.hubspot.net and 8% (6 requests) were made to Js.chargebee.com. The less responsive or slowest element that took the longest time to load (555 ms) belongs to the original domain Blackbox.email.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.1 kB (1%)

Content Size

9.1 MB

After Optimization

9.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackbox.email main page is 9.1 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. 75% 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 8.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 78.1 kB

  • Original 92.7 kB
  • After minification 80.8 kB
  • After compression 14.6 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. 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 78.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 34.4 kB

  • Original 8.6 MB
  • After minification 8.6 MB

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.

JavaScript Optimization

-5%

Potential reduce by 18.2 kB

  • Original 385.1 kB
  • After minification 382.9 kB
  • After compression 366.9 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.

CSS Optimization

-22%

Potential reduce by 2.4 kB

  • Original 11.2 kB
  • After minification 11.1 kB
  • After compression 8.7 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 2.4 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (46%)

Requests Now

67

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 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 23 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

blackbox.email

blackbox.email

243 ms

jquery-1.11.2.js

jquery-1.11.2.js

99 ms

module_38166987463_Black_Box_ChargeBee_Pricing_and_Packages_Module.min.css

module_38166987463_Black_Box_ChargeBee_Pricing_and_Packages_Module.min.css

243 ms

layout.min.css

layout.min.css

125 ms

header_footer.min.css

header_footer.min.css

315 ms

home.min.css

home.min.css

281 ms

font-awesome.css

font-awesome.css

48 ms

js

js

84 ms

chargebee.js

chargebee.js

39 ms

menu.js

menu.js

279 ms

owl.carousel%20new.css

owl.carousel%20new.css

177 ms

owl.js

owl.js

124 ms

embed.js

embed.js

53 ms

project.js

project.js

134 ms

module_38166987463_Black_Box_ChargeBee_Pricing_and_Packages_Module.js

module_38166987463_Black_Box_ChargeBee_Pricing_and_Packages_Module.js

320 ms

v2.js

v2.js

314 ms

451874.js

451874.js

304 ms

index.js

index.js

319 ms

EmailIndustries-Nov2014-main.js

EmailIndustries-Nov2014-main.js

555 ms

css

css

30 ms

403dcf8c66eca5d3e55656582.js

403dcf8c66eca5d3e55656582.js

303 ms

223-2642ee0afaf161dffebd.js

223-2642ee0afaf161dffebd.js

45 ms

212-fb1e1a3c1a914f6268fc.js

212-fb1e1a3c1a914f6268fc.js

27 ms

blackbox_logo-2.png

blackbox_logo-2.png

180 ms

down-arrow.png

down-arrow.png

68 ms

mailchimp-omnivore.png

mailchimp-omnivore.png

67 ms

sendinblue-1.png

sendinblue-1.png

185 ms

oracle-marketing.png

oracle-marketing.png

68 ms

mailerlite.png

mailerlite.png

181 ms

mitigate_risk.png

mitigate_risk.png

181 ms

unique_data-1.png

unique_data-1.png

180 ms

easy_implimentation.png

easy_implimentation.png

184 ms

blackbox_logo_gray-2.png

blackbox_logo_gray-2.png

182 ms

inspectlet.js

inspectlet.js

182 ms

owl.carousel%20new.css

owl.carousel%20new.css

56 ms

arial.woff

arial.woff

358 ms

arialbd.woff

arialbd.woff

392 ms

email-marketing-covid19.png

email-marketing-covid19.png

96 ms

blackbox-update.png

blackbox-update.png

322 ms

email-contacts-1.png

email-contacts-1.png

186 ms

pitfall.png

pitfall.png

184 ms

democratize.jpg

democratize.jpg

181 ms

email-evolution-2019.jpg

email-evolution-2019.jpg

182 ms

ross-findon-303091-unsplash-1.jpg

ross-findon-303091-unsplash-1.jpg

186 ms

ev-623589-unsplash.jpg

ev-623589-unsplash.jpg

188 ms

pau-casals-721659-unsplash%20small-371950-edited.jpg

pau-casals-721659-unsplash%20small-371950-edited.jpg

187 ms

breach-horz.png

breach-horz.png

214 ms

jules-marchioni-424070-unsplash-801162-free.jpg

jules-marchioni-424070-unsplash-801162-free.jpg

219 ms

sebastiaan-stam-575500-unsplash-936119-edited.jpg

sebastiaan-stam-575500-unsplash-936119-edited.jpg

219 ms

austin-chan-275638-426996-edited.jpg

austin-chan-275638-426996-edited.jpg

220 ms

caju-gomes-395318-757249-edited.jpg

caju-gomes-395318-757249-edited.jpg

397 ms

francis-macdonald-107145-1000%20wide-gry.jpg

francis-macdonald-107145-1000%20wide-gry.jpg

220 ms

andy-tootell-59614-1000%20wide%20gry.jpg

andy-tootell-59614-1000%20wide%20gry.jpg

355 ms

banner-bg.png

banner-bg.png

264 ms

georgia.woff

georgia.woff

263 ms

animation.css

animation.css

16 ms

master.html

master.html

21 ms

best-value.png

best-value.png

215 ms

most-popular.png

most-popular.png

106 ms

left-arrow.png

left-arrow.png

141 ms

right-arrow.png

right-arrow.png

220 ms

master-78c3e119e2d5a5c2016f.js

master-78c3e119e2d5a5c2016f.js

55 ms

386142585

386142585

230 ms

leadflows.js

leadflows.js

184 ms

banner.js

banner.js

254 ms

451874.js

451874.js

210 ms

collectedforms.js

collectedforms.js

210 ms

conversion_async.js

conversion_async.js

158 ms

71 ms

owl.carousel%20new.css

owl.carousel%20new.css

89 ms

46 ms

Accessibility Review

blackbox.email accessibility score

88

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

blackbox.email best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

blackbox.email SEO score

79

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    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.

Social Sharing Optimization

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: