1.9 sec in total
Click here to check amazing Rotas content for Japan. Otherwise, check out these important facts you probably never knew about rotas.co.jp
We analyzed Rotas.co.jp page load time and found that the first response time was 562 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
rotas.co.jp performance score
Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Rotas.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (562 ms) belongs to the original domain Rotas.co.jp.
Page size can be reduced by 4.5 kB (71%)
In fact, the total size of Rotas.co.jp main page is 6.3 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. CSS take 3.6 kB which makes up the majority of the site volume.
Potential reduce by 512 B
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 512 B or 44% of the original size.
Potential reduce by 1.3 kB
Potential reduce by 2.7 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. Rotas.co.jp needs all CSS files to be minified and compressed as it can save up to 2.7 kB or 74% of the original size.
We found no issues to fix!
rotas.co.jp accessibility score
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA toggle fields do not have accessible names
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.
rotas.co.jp best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
rotas.co.jp 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 Rotas.co.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 Rotas.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
Open Graph description is not detected on the main page of Rotas. 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: