3.3 sec in total
271 ms
2.5 sec
571 ms
Welcome to blockchair.com homepage info - get ready to check Blockchair best content for China right away, or after learning these important things about blockchair.com
Block explorer and the most powerful API for the most popular blockchains that allows you to find, sort, and filter blockchain blocks, transactions, and addresses.
Visit blockchair.comWe analyzed Blockchair.com page load time and found that the first response time was 271 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
blockchair.com performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value8.6 s
1/100
25%
Value4.6 s
71/100
10%
Value2,450 ms
5/100
30%
Value0.099
90/100
15%
Value11.2 s
20/100
10%
271 ms
691 ms
135 ms
408 ms
565 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Blockchair.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Blockchair.com.
Page size can be reduced by 206.2 kB (81%)
255.0 kB
48.8 kB
In fact, the total size of Blockchair.com main page is 255.0 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. 35% of websites need less resources to load. CSS take 196.3 kB which makes up the majority of the site volume.
Potential reduce by 38.9 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 38.9 kB or 82% of the original size.
Potential reduce by 7.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 7.3 kB or 65% of the original size.
Potential reduce by 160.0 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. Blockchair.com needs all CSS files to be minified and compressed as it can save up to 160.0 kB or 81% of the original size.
Number of requests can be reduced by 8 (50%)
16
8
The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blockchair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
blockchair.com
271 ms
blockchair.com
691 ms
c673b4a7846eaabeeb8f.css
135 ms
ba880eb1b7f0320b4f30.css
408 ms
logo_full.png
565 ms
UK.png
565 ms
ru.png
564 ms
favicon.ico
687 ms
833d5972010b0fabab23.js
686 ms
4e949075448fa7b2856c.js
825 ms
ecc43d5cb99d027509cf.js
958 ms
24f44427bf7717f0bd1f.js
1125 ms
2b7bd2bb831c80726829.js
738 ms
jumbotron.svg
349 ms
e11cfd2.woff
623 ms
b4e1ae2.woff
530 ms
064732d6da90e399ac3c.js
134 ms
171106e2520a1cb1e6d6.js
133 ms
4e0732b7d69229ec5a40.js
138 ms
6aa3baa0b60c4022de40.js
132 ms
blockchair.com 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
blockchair.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
blockchair.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Blockchair.com 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 Blockchair.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.
blockchair.com
Open Graph data is detected on the main page of Blockchair. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: