6.9 sec in total
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We analyzed Katsucon2011.sched.org page load time and found that the first response time was 561 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
katsucon2011.sched.org performance score
Our browser made a total of 35 requests to load all elements on the main page. We found that 6% of them (2 requests) were addressed to the original Katsucon2011.sched.org, 37% (13 requests) were made to Cdn.schd.ws and 14% (5 requests) were made to Static.sched.org. The less responsive or slowest element that took the longest time to load (4.5 sec) relates to the external source Cdn.schd.ws.
Page size can be reduced by 656.9 kB (53%)
Potential reduce by 141.6 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 141.6 kB or 76% of the original size.
Potential reduce by 4.0 kB
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. Katsucon 2011 Sched images are well optimized though.
Potential reduce by 343.8 kB
Potential reduce by 167.4 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. Katsucon2011.sched.org needs all CSS files to be minified and compressed as it can save up to 167.4 kB or 83% of the original size.
Number of requests can be reduced by 6 (19%)
katsucon2011.sched.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
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.
Links do not have a discernible name
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.
katsucon2011.sched.org 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
katsucon2011.sched.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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 Katsucon2011.sched.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 Katsucon2011.sched.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 Katsucon 2011 Sched. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: