Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

btcbook.guarda.co

Bitcoin (BTC) Block Explorer | Explore BTC Blockchain

Page Load Speed

2 sec in total

First Response

568 ms

Resources Loaded

1.2 sec

Page Rendered

158 ms

btcbook.guarda.co screenshot

About Website

Click here to check amazing BTC Book Guarda content for Russia. Otherwise, check out these important facts you probably never knew about btcbook.guarda.co

Detailed Blockchain Data for Bitcoin (BTC) including the most recently mined blocks, mempool, transactions, and addresses.

Visit btcbook.guarda.co

Key Findings

We analyzed Btcbook.guarda.co page load time and found that the first response time was 568 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

btcbook.guarda.co performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

86/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

btcbook.guarda.co

568 ms

main.css

489 ms

bulma.min.css

504 ms

dark.min.css

579 ms

bulma-tooltip.min.css

57 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 21% of them (7 requests) were addressed to the original Btcbook.guarda.co, 68% (23 requests) were made to Changenow.io and 6% (2 requests) were made to Guarda.com. The less responsive or slowest element that took the longest time to load (579 ms) belongs to the original domain Btcbook.guarda.co.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.7 kB (79%)

Content Size

29.9 kB

After Optimization

6.3 kB

In fact, the total size of Btcbook.guarda.co main page is 29.9 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. Only 10% of websites need less resources to load. HTML takes 29.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 23.7 kB

  • Original 29.9 kB
  • After minification 29.9 kB
  • After compression 6.3 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 23.7 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (45%)

Requests Now

33

After Optimization

18

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BTC Book Guarda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

btcbook.guarda.co accessibility score

95

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

Links do not have a discernible name

Best Practices

btcbook.guarda.co 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

High

Browser errors were logged to the console

SEO Factors

btcbook.guarda.co SEO score

100

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

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 Btcbook.guarda.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 Btcbook.guarda.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of BTC Book Guarda. 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: