4.1 sec in total
1.3 sec
2.7 sec
141 ms
Visit openday.riken.jp now to see the best up-to-date Openday Riken content for China and also check out these interesting facts you probably never knew about openday.riken.jp
Visit openday.riken.jpWe analyzed Openday.riken.jp page load time and found that the first response time was 1.3 sec and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
openday.riken.jp performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value7.1 s
6/100
25%
Value4.6 s
71/100
10%
Value220 ms
88/100
30%
Value0.173
70/100
15%
Value3.0 s
96/100
10%
1265 ms
215 ms
1478 ms
1142 ms
1392 ms
Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Openday.riken.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Openday.riken.jp.
Page size can be reduced by 5.2 kB (2%)
319.0 kB
313.8 kB
In fact, the total size of Openday.riken.jp main page is 319.0 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 317.1 kB which makes up the majority of the site volume.
Potential reduce by 938 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 938 B or 48% of the original size.
Potential reduce by 4.3 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. Openday Riken images are well optimized though.
We found no issues to fix!
6
6
The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Openday Riken. According to our analytics all requests are already optimized.
openday.riken.jp
1265 ms
rikenlogo_jp.gif
215 ms
web-image_01m.jpg
1478 ms
leaflet-image.jpg
1142 ms
fig1.jpg
1392 ms
fig2.jpg
1258 ms
fig3.jpg
1266 ms
openday.riken.jp accessibility score
openday.riken.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
openday.riken.jp SEO score
Mobile Friendly
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/).
Impact
Issue
Document uses legible font sizes
JA
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Openday.riken.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Openday.riken.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.
openday.riken.jp
Open Graph description is not detected on the main page of Openday Riken. 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: