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blackboxuniversal.com screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

blackboxuniversal.com

Paraben-Free and age-defying skin and hair-care, under-eye serum.

Page Load Speed

2 sec in total

First Response

141 ms

Resources Loaded

1.8 sec

Page Rendered

58 ms

blackboxuniversal.com screenshot

About Website

Click here to check amazing Blackboxuniversal content. Otherwise, check out these important facts you probably never knew about blackboxuniversal.com

The best age-defying skin care and hair care products in the world. Best under-eye & age-defying serums.

Visit blackboxuniversal.com

Key Findings

We analyzed Blackboxuniversal.com page load time and found that the first response time was 141 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

blackboxuniversal.com performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

www.blackboxuniversal.com

141 ms

minified.js

37 ms

focus-within-polyfill.js

34 ms

polyfill.min.js

781 ms

thunderbolt-commons.c1d8ed1c.bundle.min.js

53 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Blackboxuniversal.com, 43% (18 requests) were made to Static.parastorage.com and 29% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (781 ms) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 845.5 kB (66%)

Content Size

1.3 MB

After Optimization

443.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Blackboxuniversal.com main page is 1.3 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. 40% of websites need less resources to load. HTML takes 776.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 610.2 kB

  • Original 776.0 kB
  • After minification 774.3 kB
  • After compression 165.7 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 610.2 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 21.8 kB
  • After minification 21.8 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. Blackboxuniversal images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 235.3 kB

  • Original 491.2 kB
  • After minification 491.2 kB
  • After compression 255.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 235.3 kB or 48% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blackboxuniversal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.blackboxuniversal.com

www.blackboxuniversal.com

141 ms

minified.js

minified.js

37 ms

focus-within-polyfill.js

focus-within-polyfill.js

34 ms

polyfill.min.js

polyfill.min.js

781 ms

thunderbolt-commons.c1d8ed1c.bundle.min.js

thunderbolt-commons.c1d8ed1c.bundle.min.js

53 ms

main.4a2d1e74.bundle.min.js

main.4a2d1e74.bundle.min.js

53 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

52 ms

lodash.min.js

lodash.min.js

54 ms

react.production.min.js

react.production.min.js

53 ms

react-dom.production.min.js

react-dom.production.min.js

55 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

53 ms

BlackboxLogoNewWomanface.jpg

BlackboxLogoNewWomanface.jpg

325 ms

37abe7_55e810a3d9e6430cba6c26bf75e1d6d0~mv2.jpg

37abe7_55e810a3d9e6430cba6c26bf75e1d6d0~mv2.jpg

507 ms

035244_881cbe4617f449cab844cb6a48b5fbeb~mv2_d_2475_2475_s_4_2.jpeg

035244_881cbe4617f449cab844cb6a48b5fbeb~mv2_d_2475_2475_s_4_2.jpeg

330 ms

37abe7_1865af1dc7ee490c8efa588e856623be~mv2.jpg

37abe7_1865af1dc7ee490c8efa588e856623be~mv2.jpg

554 ms

37abe7_e0b4db640f5941079ae9ae78de7bcc3c~mv2.jpg

37abe7_e0b4db640f5941079ae9ae78de7bcc3c~mv2.jpg

548 ms

37abe7_adcafc0cbf1b4fa4b899567c1c3975d7~mv2.jpg

37abe7_adcafc0cbf1b4fa4b899567c1c3975d7~mv2.jpg

491 ms

37abe7_50ecff0da8ca4e9ab6a542cbbd591e8af000.jpg

37abe7_50ecff0da8ca4e9ab6a542cbbd591e8af000.jpg

569 ms

newblackboxlogo_NarrowBlackBackground_jp.jpg

newblackboxlogo_NarrowBlackBackground_jp.jpg

587 ms

bundle.min.js

bundle.min.js

69 ms

c6f5bcd6-66fc-44af-be95-bb1f2b38d080.woff

c6f5bcd6-66fc-44af-be95-bb1f2b38d080.woff

41 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

40 ms

opensans-bold-webfont.woff

opensans-bold-webfont.woff

40 ms

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

39 ms

03805817-4611-4dbc-8c65-0f73031c3973.woff

03805817-4611-4dbc-8c65-0f73031c3973.woff

38 ms

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

61bd362e-7162-46bd-b67e-28f366c4afbe.woff

38 ms

111 ms

105 ms

103 ms

105 ms

99 ms

101 ms

139 ms

135 ms

138 ms

136 ms

140 ms

134 ms

deprecation-en.v5.html

deprecation-en.v5.html

10 ms

bolt-performance

bolt-performance

12 ms

deprecation-style.v5.css

deprecation-style.v5.css

17 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

blackboxuniversal.com accessibility score

89

Accessibility Issues

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

Buttons do not have an accessible name

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

Best Practices

blackboxuniversal.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

blackboxuniversal.com SEO score

90

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

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

High

Tap targets are not sized appropriately

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 Blackboxuniversal.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 Blackboxuniversal.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.

Social Sharing Optimization

blackboxuniversal.com

Open Graph data is detected on the main page of Blackboxuniversal. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: