3 sec in total
867 ms
2 sec
144 ms
Visit sciencemuseum.jp now to see the best up-to-date Sciencemuseum content for Japan and also check out these interesting facts you probably never knew about sciencemuseum.jp
新潟県立自然科学館ではプラネタリウムをはじめ、イベントや実験、展示物を通して科学にたくさん触れることができる施設です。夏休みの自由研究にも…
Visit sciencemuseum.jpWe analyzed Sciencemuseum.jp page load time and found that the first response time was 867 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
sciencemuseum.jp performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value6.4 s
10/100
25%
Value19.5 s
0/100
10%
Value370 ms
71/100
30%
Value0.401
25/100
15%
Value8.1 s
41/100
10%
867 ms
568 ms
604 ms
667 ms
759 ms
Our browser made a total of 5 requests to load all elements on the main page. We found that all of those requests were addressed to Sciencemuseum.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (867 ms) belongs to the original domain Sciencemuseum.jp.
Page size can be reduced by 6.6 kB (10%)
67.3 kB
60.7 kB
In fact, the total size of Sciencemuseum.jp main page is 67.3 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. Images take 59.6 kB which makes up the majority of the site volume.
Potential reduce by 951 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. This page needs HTML code to be minified as it can gain 224 B, which is 14% 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 951 B or 58% of the original size.
Potential reduce by 863 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. Sciencemuseum images are well optimized though.
Potential reduce by 4.8 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. Sciencemuseum.jp needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 78% of the original size.
We found no issues to fix!
4
4
The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciencemuseum. According to our analytics all requests are already optimized.
sciencemuseum.jp
867 ms
default.css
568 ms
niigata.gif
604 ms
yokohama.gif
667 ms
bg_main_image.jpg
759 ms
sciencemuseum.jp accessibility score
ARIA
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.
Impact
Issue
ARIA input fields do not have accessible names
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sciencemuseum.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sciencemuseum.jp SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencemuseum.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 Sciencemuseum.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.
sciencemuseum.jp
Open Graph description is not detected on the main page of Sciencemuseum. 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: