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Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

doc.satoshilabs.com

Support | Trezor Knowledge Base

Page Load Speed

297 ms in total

First Response

51 ms

Resources Loaded

173 ms

Page Rendered

73 ms

doc.satoshilabs.com screenshot

About Website

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Key Findings

We analyzed Doc.satoshilabs.com page load time and found that the first response time was 51 ms and then it took 246 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

doc.satoshilabs.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.1 s

95/100

10%

Network Requests Diagram

doc.satoshilabs.com

51 ms

cloudflare.min.js

31 ms

css

75 ms

font-awesome.min.css

54 ms

ga.js

6 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Doc.satoshilabs.com, 33% (2 requests) were made to Google-analytics.com and 17% (1 request) were made to Ajax.cloudflare.com. The less responsive or slowest element that took the longest time to load (75 ms) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.7 kB (29%)

Content Size

65.0 kB

After Optimization

46.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Doc.satoshilabs.com main page is 65.0 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. 15% of websites need less resources to load. Javascripts take 39.7 kB which makes up the majority of the site volume.

HTML Optimization

-55%

Potential reduce by 2.5 kB

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 2.1 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 2.5 kB or 55% of the original size.

JavaScript Optimization

-0%

Potential reduce by 178 B

  • Original 39.7 kB
  • After minification 39.7 kB
  • After compression 39.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-77%

Potential reduce by 16.1 kB

  • Original 20.8 kB
  • After minification 20.8 kB
  • After compression 4.7 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. Doc.satoshilabs.com needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 77% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

  • JavaScript
  • CSS

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doc Satoshilabs. According to our analytics all requests are already optimized.

Network Requests Diagram

doc.satoshilabs.com

doc.satoshilabs.com

51 ms

cloudflare.min.js

cloudflare.min.js

31 ms

css

css

75 ms

font-awesome.min.css

font-awesome.min.css

54 ms

ga.js

ga.js

6 ms

analytics.js

analytics.js

4 ms

Accessibility Review

doc.satoshilabs.com accessibility score

96

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.

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

doc.satoshilabs.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

doc.satoshilabs.com SEO score

58

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doc.satoshilabs.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Doc.satoshilabs.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

doc.satoshilabs.com

Open Graph description is not detected on the main page of Doc Satoshilabs. 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: