Tools & Wizards About Us
crest.jpn.org screenshot

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

crest.jpn.org

医学部受験のクレスト／家庭教師／個別指導予備校

Page Load Speed

3.9 sec in total

First Response

915 ms

Resources Loaded

2.6 sec

Page Rendered

399 ms

crest.jpn.org screenshot

About Website

Click here to check amazing Crest Jpn content for Japan. Otherwise, check out these important facts you probably never knew about crest.jpn.org

医学部受験のクレストは医学部受験の名門。完全マンツーマンの家庭教師派遣と個別指導予備校で医学部合格へ導きます。

Visit crest.jpn.org

Key Findings

We analyzed Crest.jpn.org page load time and found that the first response time was 915 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

crest.jpn.org performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

crest.jpn.org

915 ms

copy_fonts.css

360 ms

CSScriptLib.js

923 ms

header.jpg

805 ms

1home_btn2.jpg

187 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Crest.jpn.org, 2% (1 request) were made to Googleadservices.com and 2% (1 request) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Crest.jpn.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.2 kB (16%)

Content Size

445.3 kB

After Optimization

374.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Crest.jpn.org main page is 445.3 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. 25% of websites need less resources to load. Images take 337.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 27.8 kB

  • Original 35.9 kB
  • After minification 32.4 kB
  • After compression 8.1 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. 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 27.8 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 2.9 kB

  • Original 337.2 kB
  • After minification 334.3 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. Crest Jpn images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 39.8 kB

  • Original 71.2 kB
  • After minification 65.1 kB
  • After compression 31.4 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 39.8 kB or 56% of the original size.

CSS Optimization

-73%

Potential reduce by 761 B

  • Original 1.0 kB
  • After minification 914 B
  • After compression 281 B

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. Crest.jpn.org needs all CSS files to be minified and compressed as it can save up to 761 B or 73% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

44

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Crest Jpn. According to our analytics all requests are already optimized.

Network Requests Diagram

crest.jpn.org

crest.jpn.org

915 ms

copy_fonts.css

copy_fonts.css

360 ms

CSScriptLib.js

CSScriptLib.js

923 ms

header.jpg

header.jpg

805 ms

1home_btn2.jpg

1home_btn2.jpg

187 ms

2gokaku_btn3.jpg

2gokaku_btn3.jpg

338 ms

3jukoo_btn3.jpg

3jukoo_btn3.jpg

352 ms

4juken_btn3.jpg

4juken_btn3.jpg

360 ms

5kojin_j_btn3.jpg

5kojin_j_btn3.jpg

372 ms

6uneisya_j_btn3.jpg

6uneisya_j_btn3.jpg

506 ms

7toiawase_btn3.jpg

7toiawase_btn3.jpg

528 ms

8saiyo_btn3.jpg

8saiyo_btn3.jpg

540 ms

topgazo.jpg

topgazo.jpg

740 ms

20px_clearspace.gif

20px_clearspace.gif

673 ms

taro.furuki.jpg

taro.furuki.jpg

705 ms

nakamura2.jpg

nakamura2.jpg

723 ms

conversion.js

conversion.js

15 ms

takeuchi.jpg

takeuchi.jpg

740 ms

saitoukeiichirou.jpg

saitoukeiichirou.jpg

837 ms

murata.jpg

murata.jpg

874 ms

matuzawa001.jpg

matuzawa001.jpg

895 ms

kobetsushido1.jpg

kobetsushido1.jpg

918 ms

kobetsushido2.jpg

kobetsushido2.jpg

923 ms

kobetsushido3.jpg

kobetsushido3.jpg

976 ms

yajirushi.jpg

yajirushi.jpg

1003 ms

kobetsushido4.jpg

kobetsushido4.jpg

1048 ms

pagetop_btn.jpg

pagetop_btn.jpg

1074 ms

footer_btn2.jpg

footer_btn2.jpg

1102 ms

footer_btn1.jpg

footer_btn1.jpg

1106 ms

45 ms

back.jpg

back.jpg

525 ms

39 ms

2gokaku_btn2.jpg

2gokaku_btn2.jpg

187 ms

3jukoo_btn2.jpg

3jukoo_btn2.jpg

181 ms

3jukoo_btn1.jpg

3jukoo_btn1.jpg

186 ms

2gokaku_btn1.jpg

2gokaku_btn1.jpg

170 ms

4juken_btn2.jpg

4juken_btn2.jpg

177 ms

4juken_btn1.jpg

4juken_btn1.jpg

182 ms

5kojin_j_btn2.jpg

5kojin_j_btn2.jpg

338 ms

5kojin_j_btn1.jpg

5kojin_j_btn1.jpg

352 ms

6uneisya_j_btn2.jpg

6uneisya_j_btn2.jpg

356 ms

6uneisya_j_btn1.jpg

6uneisya_j_btn1.jpg

359 ms

7toiawase_btn2.jpg

7toiawase_btn2.jpg

366 ms

7toiawase_btn1.jpg

7toiawase_btn1.jpg

366 ms

8saiyo_btn2.jpg

8saiyo_btn2.jpg

503 ms

8saiyo_btn1.jpg

8saiyo_btn1.jpg

527 ms

Accessibility Review

crest.jpn.org accessibility score

64

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

crest.jpn.org 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

crest.jpn.org 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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crest.jpn.org 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 Crest.jpn.org 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

crest.jpn.org

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