Tools & Wizards About Us
clover.subscan.io screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

clover.subscan.io

Subscan | Aggregate Substrate ecological network high-precision Web3 explorer

Page Load Speed

2.7 sec in total

First Response

291 ms

Resources Loaded

1.9 sec

Page Rendered

481 ms

clover.subscan.io screenshot

About Website

Visit clover.subscan.io now to see the best up-to-date Clover Subscan content for China and also check out these interesting facts you probably never knew about clover.subscan.io

Subscan | Substrate ecological explorer: Search, analyze, and visualize blockchain that occurs on Substrate based network (Polkadot, Kusama, Moonbeam, Acala, Darwinia), such as extrinsics, transfers, ...

Visit clover.subscan.io

Key Findings

We analyzed Clover.subscan.io page load time and found that the first response time was 291 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

clover.subscan.io performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value6,070 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value20.7 s

2/100

10%

Network Requests Diagram

clover.subscan.io

291 ms

9e2cd766e4dad1df.css

91 ms

6cb80cb4c371e67b.css

76 ms

polyfills-78c92fac7aa8fdd8.js

756 ms

webpack-da022a6ea3341928.js

79 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 97% of them (31 requests) were addressed to the original Clover.subscan.io, 3% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Clover.subscan.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.3 kB (43%)

Content Size

248.2 kB

After Optimization

141.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Clover.subscan.io main page is 248.2 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. 25% of websites need less resources to load. HTML takes 136.3 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 94.7 kB

  • Original 136.3 kB
  • After minification 136.1 kB
  • After compression 41.6 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. 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 94.7 kB or 70% of the original size.

Image Optimization

-10%

Potential reduce by 11.6 kB

  • Original 111.3 kB
  • After minification 99.7 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. Clover Subscan images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 17 B

  • Original 655 B
  • After minification 655 B
  • After compression 638 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 18 (64%)

Requests Now

28

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clover Subscan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

clover.subscan.io

clover.subscan.io

291 ms

9e2cd766e4dad1df.css

9e2cd766e4dad1df.css

91 ms

6cb80cb4c371e67b.css

6cb80cb4c371e67b.css

76 ms

polyfills-78c92fac7aa8fdd8.js

polyfills-78c92fac7aa8fdd8.js

756 ms

webpack-da022a6ea3341928.js

webpack-da022a6ea3341928.js

79 ms

framework-5a545738a08e278e.js

framework-5a545738a08e278e.js

98 ms

main-2e7311b7a417d766.js

main-2e7311b7a417d766.js

69 ms

_app-7e4d694a9c6f405d.js

_app-7e4d694a9c6f405d.js

114 ms

674a26a7-c485c17f17b472e7.js

674a26a7-c485c17f17b472e7.js

142 ms

dcd99f5c-0502cb687b5735bc.js

dcd99f5c-0502cb687b5735bc.js

172 ms

4154-fdd9a2363b47ad4d.js

4154-fdd9a2363b47ad4d.js

161 ms

7281-93e5e60f59ec478a.js

7281-93e5e60f59ec478a.js

163 ms

3585-36cc4dec5d537bbe.js

3585-36cc4dec5d537bbe.js

202 ms

8857-331d22a880154317.js

8857-331d22a880154317.js

206 ms

2588-56490002a84005bb.js

2588-56490002a84005bb.js

231 ms

8784-3c0dbbb9d9c9ecc2.js

8784-3c0dbbb9d9c9ecc2.js

228 ms

7950-eb563f8793566713.js

7950-eb563f8793566713.js

245 ms

index-b2b40d16bbbd79c1.js

index-b2b40d16bbbd79c1.js

222 ms

_buildManifest.js

_buildManifest.js

274 ms

_ssgManifest.js

_ssgManifest.js

289 ms

image

image

475 ms

image

image

482 ms

image

image

486 ms

image

image

510 ms

email-decode.min.js

email-decode.min.js

288 ms

image

image

842 ms

polkadot-alliance.png

polkadot-alliance.png

720 ms

v84a3a4012de94ce1a686ba8c167c359c1696973893317

v84a3a4012de94ce1a686ba8c167c359c1696973893317

49 ms

banner.png

banner.png

1157 ms

Eina01-SemiBold.otf

Eina01-SemiBold.otf

1029 ms

Eina01-Bold.otf

Eina01-Bold.otf

580 ms

Eina01.otf

Eina01.otf

1247 ms

Accessibility Review

clover.subscan.io accessibility score

83

Accessibility Issues

ARIA

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.

Impact

Issue

High

[aria-*] attributes do not match their roles

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

clover.subscan.io 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

Missing source maps for large first-party JavaScript

SEO Factors

clover.subscan.io SEO score

95

Search Engine Optimization Advices

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 Clover.subscan.io 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 Clover.subscan.io 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

clover.subscan.io

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