Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 68

    SEO

    Google-friendlier than
    28% of websites

shelf.network

Arbitrage Network For Cross-Border Vehicle Trades | Shelf.Network

Page Load Speed

2.9 sec in total

First Response

86 ms

Resources Loaded

2.8 sec

Page Rendered

58 ms

About Website

Welcome to shelf.network homepage info - get ready to check Shelf best content right away, or after learning these important things about shelf.network

World's first distributed arbitrage network, that allows to run synchronized trades across different online marketplaces and streamline entire process through ecosystem service providers.

Visit shelf.network

Key Findings

We analyzed Shelf.network page load time and found that the first response time was 86 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

shelf.network performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value2,600 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

shelf.network

86 ms

shelf.network

1124 ms

swiper-gHigbtUS.css

1203 ms

index-9MjoXDAA.css

1552 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Shelf.network and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Shelf.network.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.5 kB (30%)

Content Size

25.1 kB

After Optimization

17.6 kB

In fact, the total size of Shelf.network main page is 25.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 21.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 2.4 kB

  • Original 3.2 kB
  • After minification 3.0 kB
  • After compression 817 B

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 2.4 kB or 75% of the original size.

CSS Optimization

-23%

Potential reduce by 5.0 kB

  • Original 21.9 kB
  • After minification 21.9 kB
  • After compression 16.8 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. Shelf.network needs all CSS files to be minified and compressed as it can save up to 5.0 kB or 23% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shelf. According to our analytics all requests are already optimized.

Accessibility Review

shelf.network accessibility score

87

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.

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

shelf.network best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

shelf.network SEO score

68

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Shelf.network 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 Shelf.network 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 description is not detected on the main page of Shelf. 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: