711 ms in total
87 ms
533 ms
91 ms
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Visit black.bosscrypto.coWe analyzed Black.bosscrypto.co page load time and found that the first response time was 87 ms and then it took 624 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
black.bosscrypto.co performance score
name
value
score
weighting
Value2.7 s
59/100
10%
Value6.9 s
6/100
25%
Value8.6 s
17/100
10%
Value2,440 ms
5/100
30%
Value0.001
100/100
15%
Value15.9 s
6/100
10%
87 ms
74 ms
49 ms
69 ms
16 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Black.bosscrypto.co, 64% (14 requests) were made to Blockcircle.com and 9% (2 requests) were made to Code.highcharts.com. The less responsive or slowest element that took the longest time to load (118 ms) relates to the external source Blockcircle.com.
Page size can be reduced by 111.1 kB (79%)
140.1 kB
29.0 kB
In fact, the total size of Black.bosscrypto.co main page is 140.1 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. 40% of websites need less resources to load. HTML takes 139.5 kB which makes up the majority of the site volume.
Potential reduce by 110.8 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 110.8 kB or 79% of the original size.
Potential reduce by 238 B
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 238 B or 36% of the original size.
Number of requests can be reduced by 18 (90%)
20
2
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Bosscrypto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
black.bosscrypto.co
87 ms
blockcircle.com
74 ms
gui.css
49 ms
popup.css
69 ms
e240d51d01d9966f.css
16 ms
4357b58ce304472c.css
21 ms
polyfills-c67a75d1b6f99dc8.js
118 ms
webpack-29f53eb64de9950c.js
21 ms
framework-4ed89e9640adfb9e.js
30 ms
main-61dd5ee523a406c3.js
30 ms
_app-0840f00666b3576c.js
30 ms
7277-d47c76b9d60d2565.js
30 ms
7138-cc2b907ded88504e.js
30 ms
2789-5501b758b11dacbb.js
33 ms
index-b16fca4dee9b9e7f.js
35 ms
_buildManifest.js
43 ms
_ssgManifest.js
34 ms
js
117 ms
l4al9pj7pr
45 ms
sdk.js
41 ms
sdk.js
10 ms
clarity.js
7 ms
black.bosscrypto.co 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
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>).
black.bosscrypto.co best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
black.bosscrypto.co 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
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Black.bosscrypto.co 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 Black.bosscrypto.co 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.
black.bosscrypto.co
Open Graph description is not detected on the main page of Black Bosscrypto. 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: