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dongurikorokoro.com screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

dongurikorokoro.com

どんぐりスクール

Page Load Speed

8.8 sec in total

First Response

751 ms

Resources Loaded

7.6 sec

Page Rendered

480 ms

dongurikorokoro.com screenshot

About Website

Welcome to dongurikorokoro.com homepage info - get ready to check Dongurikorokoro best content for Japan right away, or after learning these important things about dongurikorokoro.com

中学・高校・大学受験専門プライベートスクール（どんぐりスクール）は主宰者畠山一徳ひとりで指導運営を行う個人塾です。

Visit dongurikorokoro.com

Key Findings

We analyzed Dongurikorokoro.com page load time and found that the first response time was 751 ms and then it took 8.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

dongurikorokoro.com performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.9 s

99/100

10%

Network Requests Diagram

dongurikorokoro.com

751 ms

base.css

456 ms

fla.js

974 ms

count1.js

971 ms

count2.js

981 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 95% of them (35 requests) were addressed to the original Dongurikorokoro.com, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Dongurikorokoro.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.7 kB (7%)

Content Size

539.9 kB

After Optimization

501.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dongurikorokoro.com main page is 539.9 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. Images take 490.4 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 4.0 kB

  • Original 5.9 kB
  • After minification 5.8 kB
  • After compression 1.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 4.0 kB or 68% of the original size.

Image Optimization

-1%

Potential reduce by 3.4 kB

  • Original 490.4 kB
  • After minification 487.1 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. Dongurikorokoro images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 7.9 kB

  • Original 16.3 kB
  • After minification 14.1 kB
  • After compression 8.4 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 7.9 kB or 48% of the original size.

CSS Optimization

-86%

Potential reduce by 23.5 kB

  • Original 27.3 kB
  • After minification 21.1 kB
  • After compression 3.8 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. Dongurikorokoro.com needs all CSS files to be minified and compressed as it can save up to 23.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (11%)

Requests Now

36

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dongurikorokoro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dongurikorokoro.com

dongurikorokoro.com

751 ms

base.css

base.css

456 ms

fla.js

fla.js

974 ms

count1.js

count1.js

971 ms

count2.js

count2.js

981 ms

count3.js

count3.js

983 ms

urchin.js

urchin.js

369 ms

body_bg.jpg

body_bg.jpg

247 ms

news.cgi

news.cgi

601 ms

header_bg.jpg

header_bg.jpg

1422 ms

logo.jpg

logo.jpg

626 ms

h_btn.png

h_btn.png

396 ms

content_bg.jpg

content_bg.jpg

405 ms

menu_bg.jpg

menu_bg.jpg

2709 ms

mn1_r1_c1.jpg

mn1_r1_c1.jpg

455 ms

mn1_r3_c1.jpg

mn1_r3_c1.jpg

601 ms

mn1_r4_c1.jpg

mn1_r4_c1.jpg

625 ms

mn2_r1_c1.jpg

mn2_r1_c1.jpg

716 ms

mn2_r3_c1.jpg

mn2_r3_c1.jpg

5869 ms

mn2_r5_c1.jpg

mn2_r5_c1.jpg

839 ms

mn2_r6_c1.jpg

mn2_r6_c1.jpg

844 ms

mn3.jpg

mn3.jpg

944 ms

mn4_r4_c1.jpg

mn4_r4_c1.jpg

1055 ms

mn4_r1_c1.jpg

mn4_r1_c1.jpg

1057 ms

mn4_r2_c1.jpg

mn4_r2_c1.jpg

1164 ms

mn5.jpg

mn5.jpg

1265 ms

mn6_1.jpg

mn6_1.jpg

1287 ms

mn6_2.jpg

mn6_2.jpg

1394 ms

mn6_3.jpg

mn6_3.jpg

1466 ms

mn6_4.jpg

mn6_4.jpg

1507 ms

mn6_5.jpg

mn6_5.jpg

1625 ms

news_bg.jpg

news_bg.jpg

2647 ms

hogosha.jpg

hogosha.jpg

1670 ms

footer_bg.jpg

footer_bg.jpg

1886 ms

__utm.gif

__utm.gif

39 ms

news.css

news.css

759 ms

news_li.jpg

news_li.jpg

725 ms

Accessibility Review

dongurikorokoro.com accessibility score

86

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

dongurikorokoro.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

dongurikorokoro.com SEO score

67

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dongurikorokoro.com 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 Dongurikorokoro.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.

Social Sharing Optimization

dongurikorokoro.com

Open Graph description is not detected on the main page of Dongurikorokoro. 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: