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Report Summary

About Website

Welcome to blackbox-vision.tech homepage info - get ready to check Black Box Vision best content right away, or after learning these important things about blackbox-vision.tech

BlackBox Vision is a ✨ boutique ✨ product studio that helps startups become scaleups

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value2,530 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

blackbox-vision.tech

70 ms

blackboxvision.com

183 ms

91510adc1ac692fb.css

79 ms

8ec3553f0e837d08.css

1097 ms

polyfills-c67a75d1b6f99dc8.js

90 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Blackbox-vision.tech, 94% (30 requests) were made to Blackboxvision.com and 3% (1 request) were made to Res.cloudinary.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Blackboxvision.com.

Content Size

170.1 kB

After Optimization

34.5 kB

In fact, the total size of Blackbox-vision.tech main page is 170.1 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. HTML takes 161.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 135.7 kB

Original 161.0 kB
After minification 161.0 kB
After compression 25.3 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 135.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 9.1 kB
After minification 9.1 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 Vision images are well optimized though.

Requests Now

After Optimization

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Box Vision. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-hidden="true"] elements contain focusable descendents

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

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-vision.tech 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-vision.tech 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

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