3.2 sec in total
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We analyzed Datahub.io page load time and found that the first response time was 17 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
datahub.io performance score
Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Datahub.io, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Datahub.io.
Page size can be reduced by 397.1 kB (70%)
Potential reduce by 10.2 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. This page needs HTML code to be minified as it can gain 3.2 kB, which is 24% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 10.2 kB or 75% of the original size.
Potential reduce by 138 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. Data Hub images are well optimized though.
Potential reduce by 188.6 kB
Potential reduce by 198.1 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. Datahub.io needs all CSS files to be minified and compressed as it can save up to 198.1 kB or 83% of the original size.
Number of requests can be reduced by 8 (50%)
datahub.io accessibility score
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.
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
datahub.io best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
Browser errors were logged to the console
datahub.io SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
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
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datahub.io 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 Datahub.io 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 description is not detected on the main page of Data Hub. 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: