8.2 sec in total
1.2 sec
6.8 sec
166 ms
Welcome to keisetsukai.com homepage info - get ready to check Keisetsukai best content for Japan right away, or after learning these important things about keisetsukai.com
東大生・プロ講師による完全個別指導塾&家庭教師派遣の東大螢雪会(東大蛍雪会)。オンリーワンの指導があなたを合格に導きます。マンツーマン指導による大学受験、高校受験、中学受験、大学院受験対策や、授業の補習など。インターネットを使ったオンライン授業(eラーニング)も。
Visit keisetsukai.comWe analyzed Keisetsukai.com page load time and found that the first response time was 1.2 sec and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
keisetsukai.com performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value22.8 s
0/100
25%
Value18.7 s
0/100
10%
Value440 ms
64/100
30%
Value0.417
23/100
15%
Value17.1 s
4/100
10%
1226 ms
367 ms
370 ms
381 ms
402 ms
Our browser made a total of 115 requests to load all elements on the main page. We found that 74% of them (85 requests) were addressed to the original Keisetsukai.com, 8% (9 requests) were made to Plugins.mixi.jp and 3% (4 requests) were made to Img.mixi.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Keisetsukai.com.
Page size can be reduced by 473.6 kB (38%)
1.3 MB
789.1 kB
In fact, the total size of Keisetsukai.com main page is 1.3 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. 50% of websites need less resources to load. Images take 596.4 kB which makes up the majority of the site volume.
Potential reduce by 35.3 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 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 35.3 kB or 77% of the original size.
Potential reduce by 18.0 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. Keisetsukai images are well optimized though.
Potential reduce by 362.8 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 362.8 kB or 66% of the original size.
Potential reduce by 57.5 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. Keisetsukai.com needs all CSS files to be minified and compressed as it can save up to 57.5 kB or 86% of the original size.
Number of requests can be reduced by 57 (51%)
112
55
The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Keisetsukai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
keisetsukai.com
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object.js
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VBflashScript.js
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pulldown.js
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import.css
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jquery-1.7.1.min.js
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jquery.nivo.slider.pack.js
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nivo-slider.css
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default.css
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basic.css
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layout.css
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class.css
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pulldown.css
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logo.gif
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concept.gif
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bg_sch_nav.gif
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icon2.gif
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print.css
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print_basic.css
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favorite.pl
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a
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keisetsukai.com
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arrows.png
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like.php
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wy1X4hBW7e7.js
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mixi_check_entry.css
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errorreport.production.js
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json.js
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underscore-string-1.3.3-2.0.0-compress.js
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namespace-brook-compress.js
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prototype-effects-1.6.1-1.8.3-compress.js
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mixi.js
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favorite.production.js
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jquery-1.7.1.min-noconflict-compress.js
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comment001.gif
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keisetsukai.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.
keisetsukai.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
keisetsukai.com 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Keisetsukai.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Keisetsukai.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.
keisetsukai.com
Open Graph description is not detected on the main page of Keisetsukai. 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: