9 sec in total
Visit o-museum.or.jp now to see the best up-to-date O Museum content for Japan and also check out these interesting facts you probably never knew about o-museum.or.jp
We analyzed O-museum.or.jp page load time and found that the first response time was 1.1 sec and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
o-museum.or.jp performance score
Our browser made a total of 120 requests to load all elements on the main page. We found that 91% of them (109 requests) were addressed to the original O-museum.or.jp, 4% (5 requests) were made to Maps.googleapis.com and 2% (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 O-museum.or.jp.
Page size can be reduced by 829.5 kB (7%)
In fact, the total size of O-museum.or.jp main page is 11.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 10.6 MB which makes up the majority of the site volume.
Potential reduce by 77.1 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 11.4 kB, which is 12% 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 77.1 kB or 84% of the original size.
Potential reduce by 40.4 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. O Museum images are well optimized though.
Potential reduce by 648.9 kB
Potential reduce by 63.1 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. O-museum.or.jp needs all CSS files to be minified and compressed as it can save up to 63.1 kB or 86% of the original size.
Number of requests can be reduced by 41 (34%)
o-museum.or.jp accessibility score
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
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.
Image elements do not have [alt] attributes
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.
o-museum.or.jp best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Displays images with incorrect aspect ratio
o-museum.or.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
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
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise O-museum.or.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that O-museum.or.jp 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 O Museum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: