663 ms in total
Visit d3js.org now to see the best up-to-date D3 Js content for China and also check out these interesting facts you probably never knew about d3js.org
We analyzed D3js.org page load time and found that the first response time was 50 ms and then it took 613 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.
d3js.org performance score
Our browser made a total of 6 requests to load all elements on the main page. We found that 67% of them (4 requests) were addressed to the original D3js.org, 33% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (68 ms) relates to the external source Google-analytics.com.
Page size can be reduced by 77.1 kB (12%)
In fact, the total size of D3js.org main page is 668.3 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. Images take 551.6 kB which makes up the majority of the site volume.
Potential reduce by 76.5 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 76.5 kB or 79% of the original size.
Potential reduce by 590 B
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. D3 Js images are well optimized though.
Potential reduce by 59 B
We found no issues to fix!
d3js.org accessibility score
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
<html> element does not have a [lang] attribute
d3js.org best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
d3js.org SEO score
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/).
Document uses legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise D3js.org 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 D3js.org 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.
Open Graph data is detected on the main page of D3 Js. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: