10.2 sec in total
618 ms
9.2 sec
438 ms
Visit saibi.ac.jp now to see the best up-to-date Saibi content for Japan and also check out these interesting facts you probably never knew about saibi.ac.jp
済美高等学校サイト
Visit saibi.ac.jpWe analyzed Saibi.ac.jp page load time and found that the first response time was 618 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
saibi.ac.jp performance score
name
value
score
weighting
Value8.1 s
1/100
10%
Value33.6 s
0/100
25%
Value18.5 s
0/100
10%
Value890 ms
32/100
30%
Value0.001
100/100
15%
Value21.8 s
2/100
10%
618 ms
596 ms
1831 ms
32 ms
203 ms
Our browser made a total of 188 requests to load all elements on the main page. We found that 99% of them (187 requests) were addressed to the original Saibi.ac.jp, 1% (1 request) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Saibi.ac.jp.
Page size can be reduced by 70.4 kB (1%)
8.4 MB
8.3 MB
In fact, the total size of Saibi.ac.jp main page is 8.4 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.3 MB which makes up the majority of the site volume.
Potential reduce by 31.0 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 5.4 kB, 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 31.0 kB or 83% of the original size.
Potential reduce by 177 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. Saibi images are well optimized though.
Potential reduce by 39.1 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 39.1 kB or 70% of the original size.
Number of requests can be reduced by 39 (21%)
187
148
The browser has sent 187 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Saibi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
saibi.ac.jp
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saibi.ac.jp accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
saibi.ac.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
saibi.ac.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Saibi.ac.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 Saibi.ac.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.
saibi.ac.jp
Open Graph description is not detected on the main page of Saibi. 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: