5.1 sec in total
679 ms
4.2 sec
174 ms
Welcome to keisan.casio.com homepage info - get ready to check Keisan Casio best content for United States right away, or after learning these important things about keisan.casio.com
A comprehensive calculation website, which aims to provide higher calculation accuracy, ease of use, and fun, contains a wide variety of content such as lunar or nine stars calendar calculation, obliq...
Visit keisan.casio.comWe analyzed Keisan.casio.com page load time and found that the first response time was 679 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
keisan.casio.com performance score
name
value
score
weighting
Value3.7 s
29/100
10%
Value5.8 s
16/100
25%
Value4.9 s
64/100
10%
Value160 ms
94/100
30%
Value0.238
52/100
15%
Value6.6 s
57/100
10%
679 ms
390 ms
581 ms
395 ms
411 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 97% of them (89 requests) were addressed to the original Keisan.casio.com, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Keisan.casio.com.
Page size can be reduced by 276.8 kB (59%)
471.4 kB
194.6 kB
In fact, the total size of Keisan.casio.com main page is 471.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 259.7 kB which makes up the majority of the site volume.
Potential reduce by 37.0 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 9.3 kB, which is 21% 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 37.0 kB or 84% of the original size.
Potential reduce by 3.5 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. Keisan Casio images are well optimized though.
Potential reduce by 183.4 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 183.4 kB or 71% of the original size.
Potential reduce by 52.9 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. Keisan.casio.com needs all CSS files to be minified and compressed as it can save up to 52.9 kB or 83% of the original size.
Number of requests can be reduced by 71 (78%)
91
20
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keisan Casio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
keisan.casio.com
679 ms
import.css
390 ms
category.css
581 ms
jquery-ui-1.9.0.custom.css
395 ms
top.css
411 ms
Keisan.css
418 ms
jquery-1.8.2.min.js
842 ms
jquery.corner.js
580 ms
common.js
586 ms
jquery.jscrollpane.min.js
607 ms
jquery-ui-1.9.0.custom.js
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top-tabs.js
771 ms
jquery.socialbutton-1.9.0.js
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KeisanHeader.js
1370 ms
reset.css
415 ms
common.css
589 ms
layouts.css
619 ms
bg-wrap.gif
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bg-header.gif
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site-title.gif
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bg-members-lt.jpg
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bg-members-ct.jpg
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bg-members-rt.jpg
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icon-members-welcome.jpg
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icon-members-regist.jpg
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icon-members-login.jpg
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marker-links.gif
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bg-global-navi.gif
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btn-life.png
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btn-edu.png
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btn-pro.png
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btn-shared.png
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btn-private.png
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btn-column.png
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btn-cal.png
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bg-search.gif
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bg_search_input.png
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btn_search.png
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col43.jpg
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col4.jpg
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col5.jpg
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menu-thumb-relevant.jpg
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icon-phone.png
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banner-keisan-online.gif
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banner-keisan-online-bl.gif
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logo.gif
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titlep.gif
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ico_arw_r2.png
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tab-all.png
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icon-life-active.png
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tab-all2.png
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bg-tab-contents.gif
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icon-life-sub03.png
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gtm.js
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analytics.js
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marker_links_white.png
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bg-border-lead.gif
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marker_links.png
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icon-ranking-01.gif
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icon-ranking-02.gif
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icon-ranking-03.gif
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icon-ranking-04.gif
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icon-ranking-05.gif
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bg-menu-bottom2.gif
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bg-menu-header.jpg
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bg-menu-inner2.gif
1239 ms
tab-active.png
1225 ms
dummy.html
198 ms
btn_add_none.gif
192 ms
keisan.casio.com 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
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.
keisan.casio.com 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
keisan.casio.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
EN
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keisan.casio.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Japanese language. Our system also found out that Keisan.casio.com 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.
keisan.casio.com
Open Graph data is detected on the main page of Keisan Casio. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: