11.1 sec in total
549 ms
9.2 sec
1.4 sec
Welcome to yotsuyagakuin.com homepage info - get ready to check Yotsuyagakuin best content for Japan right away, or after learning these important things about yotsuyagakuin.com
大学受験予備校・塾・個別指導の四谷学院。55段階個別指導と科目別能力別授業は、他にはない四谷学院だけの『ダブル教育』。資料請求、個別相談会、校舎案内など受付中!
Visit yotsuyagakuin.comWe analyzed Yotsuyagakuin.com page load time and found that the first response time was 549 ms and then it took 10.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
yotsuyagakuin.com performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value19.1 s
0/100
25%
Value24.0 s
0/100
10%
Value7,160 ms
0/100
30%
Value0.688
7/100
15%
Value36.3 s
0/100
10%
549 ms
716 ms
1173 ms
80 ms
24 ms
Our browser made a total of 270 requests to load all elements on the main page. We found that 61% of them (164 requests) were addressed to the original Yotsuyagakuin.com, 4% (11 requests) were made to Platform.twitter.com and 2% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Yotsuyagakuin.com.
Page size can be reduced by 272.8 kB (9%)
3.1 MB
2.8 MB
In fact, the total size of Yotsuyagakuin.com main page is 3.1 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. Only a small number of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 87.1 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 31.5 kB, which is 30% 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 87.1 kB or 83% of the original size.
Potential reduce by 37.9 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. Yotsuyagakuin images are well optimized though.
Potential reduce by 110.2 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 110.2 kB or 26% of the original size.
Potential reduce by 37.6 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. Yotsuyagakuin.com needs all CSS files to be minified and compressed as it can save up to 37.6 kB or 33% of the original size.
Number of requests can be reduced by 114 (44%)
257
143
The browser has sent 257 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yotsuyagakuin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
yotsuyagakuin.com
549 ms
yotsuyagakuin.com
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yotsuyagakuin.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
Links do not have a discernible name
yotsuyagakuin.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
Browser errors were logged to the console
Page has valid source maps
yotsuyagakuin.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
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yotsuyagakuin.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 Yotsuyagakuin.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.
yotsuyagakuin.com
Open Graph data is detected on the main page of Yotsuyagakuin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: