14.1 sec in total
1.4 sec
11.9 sec
835 ms
Visit kai-semi.com now to see the best up-to-date Kai Semi content and also check out these interesting facts you probably never knew about kai-semi.com
山梨で中学受験・高校受験・大学受験対策なら進学塾「甲斐ゼミナール」へ。目標や学力に合わせて1人1人に合った適切な授業を受けられる環境を整えております。また、長野・静岡県内にも多数開講しております。
Visit kai-semi.comWe analyzed Kai-semi.com page load time and found that the first response time was 1.4 sec and then it took 12.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
kai-semi.com performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value15.7 s
0/100
25%
Value20.5 s
0/100
10%
Value15,440 ms
0/100
30%
Value0.04
99/100
15%
Value28.4 s
0/100
10%
1381 ms
358 ms
364 ms
373 ms
380 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 89% of them (95 requests) were addressed to the original Kai-semi.com, 3% (3 requests) were made to S.ytimg.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (9.3 sec) belongs to the original domain Kai-semi.com.
Page size can be reduced by 3.8 MB (50%)
7.6 MB
3.8 MB
In fact, the total size of Kai-semi.com main page is 7.6 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. 70% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.
Potential reduce by 48.4 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 7.6 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 48.4 kB or 79% of the original size.
Potential reduce by 3.3 MB
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. Obviously, Kai Semi needs image optimization as it can save up to 3.3 MB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 207.0 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 207.0 kB or 66% of the original size.
Potential reduce by 216.6 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. Kai-semi.com needs all CSS files to be minified and compressed as it can save up to 216.6 kB or 83% of the original size.
Number of requests can be reduced by 13 (13%)
104
91
The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kai Semi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
kai-semi.com
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acordion_table.css
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jquery.min.js
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kai-semi.com accessibility score
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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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>).
kai-semi.com 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
kai-semi.com 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
JA
SHIFT_JIS
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kai-semi.com 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 Kai-semi.com 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.
kai-semi.com
Open Graph description is not detected on the main page of Kai Semi. 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: