Tools & Wizards About Us
polku.co.jp screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

polku.co.jp

ポルク インターナショナルスクール|POLKU INTERNATIONAL SCHOOL|東松戸の幼稚園・保育園

Page Load Speed

8.4 sec in total

First Response

566 ms

Resources Loaded

7.2 sec

Page Rendered

562 ms

polku.co.jp screenshot

About Website

Visit polku.co.jp now to see the best up-to-date POLKU content and also check out these interesting facts you probably never knew about polku.co.jp

ポルクインターナショナルスクール|POLKUは子供の英語教育としてバイリンガルを目指す千葉県松戸市の幼稚園・保育園です。東松戸駅から徒歩1分。

Visit polku.co.jp

Key Findings

We analyzed Polku.co.jp page load time and found that the first response time was 566 ms and then it took 7.8 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

polku.co.jp performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value20.7 s

2/100

10%

Network Requests Diagram

polku.co.jp

566 ms

www.polku.co.jp

568 ms

www.polku.co.jp

1158 ms

reset.css

359 ms

cmn.css

723 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 92% of them (60 requests) were addressed to the original Polku.co.jp, 3% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Tls-cms009.net. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Polku.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 192.1 kB (3%)

Content Size

6.4 MB

After Optimization

6.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Polku.co.jp main page is 6.4 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. 40% of websites need less resources to load. Images take 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 15.6 kB

  • Original 21.0 kB
  • After minification 20.3 kB
  • After compression 5.4 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 15.6 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 9.9 kB

  • Original 6.1 MB
  • After minification 6.1 MB

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. POLKU images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 118.3 kB

  • Original 178.0 kB
  • After minification 163.6 kB
  • After compression 59.7 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 118.3 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 48.2 kB

  • Original 55.8 kB
  • After minification 39.5 kB
  • After compression 7.6 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. Polku.co.jp needs all CSS files to be minified and compressed as it can save up to 48.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (39%)

Requests Now

61

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of POLKU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

polku.co.jp

polku.co.jp

566 ms

www.polku.co.jp

www.polku.co.jp

568 ms

www.polku.co.jp

www.polku.co.jp

1158 ms

reset.css

reset.css

359 ms

cmn.css

cmn.css

723 ms

jquery.lightbox.css

jquery.lightbox.css

559 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

1311 ms

jquery.lightbox.js

jquery.lightbox.js

768 ms

smoothscroll.js

smoothscroll.js

726 ms

tab_switch.js

tab_switch.js

743 ms

jquery.socialbutton.js

jquery.socialbutton.js

739 ms

smart_link_from_pc.js

smart_link_from_pc.js

744 ms

jquery.socialbutton.js

jquery.socialbutton.js

210 ms

header_txt.png

header_txt.png

238 ms

btn_inquiry.png

btn_inquiry.png

242 ms

btn_calendar.png

btn_calendar.png

240 ms

tel.png

tel.png

239 ms

mainmenu_welcome.png

mainmenu_welcome.png

241 ms

mainmenu_class.png

mainmenu_class.png

238 ms

mainmenu_staff.png

mainmenu_staff.png

364 ms

mainmenu_event.png

mainmenu_event.png

363 ms

mainmenu_qa.png

mainmenu_qa.png

372 ms

mainmenu_access.png

mainmenu_access.png

373 ms

mainmenu_blog.png

mainmenu_blog.png

374 ms

mainmenu_information.png

mainmenu_information.png

385 ms

mainmenu_recruit.png

mainmenu_recruit.png

544 ms

logo.png

logo.png

544 ms

bnr_school_231024_960x244.jpg

bnr_school_231024_960x244.jpg

1484 ms

top_title_intro.png

top_title_intro.png

559 ms

top_img_welcome.png

top_img_welcome.png

1869 ms

top_btn_welcome.png

top_btn_welcome.png

578 ms

top_img_welcome_feature.png

top_img_welcome_feature.png

1986 ms

top_btn_welcome_feature.png

top_btn_welcome_feature.png

726 ms

top_title_class.png

top_title_class.png

746 ms

top_bnr_class_peschool.jpg

top_bnr_class_peschool.jpg

1154 ms

top_bnr_class_kindergarten.jpg

top_bnr_class_kindergarten.jpg

1267 ms

top_bnr_class_primary.jpg

top_bnr_class_primary.jpg

1120 ms

top_bnr_class_after_kinder.jpg

top_bnr_class_after_kinder.jpg

1494 ms

top_bnr_class08.jpg

top_bnr_class08.jpg

1539 ms

top_bnr_class_private_lesson.jpg

top_bnr_class_private_lesson.jpg

1628 ms

top_bnr_class09.jpg

top_bnr_class09.jpg

1669 ms

top_bnr_class10.jpg

top_bnr_class10.jpg

1681 ms

top_title_information.png

top_title_information.png

1731 ms

btn_more.png

btn_more.png

1810 ms

top_title_blog.png

top_title_blog.png

1856 ms

logo-thumb-148x33-816.png

logo-thumb-148x33-816.png

1869 ms

IMG_8117-thumb-200x200-1922.jpeg

IMG_8117-thumb-200x200-1922.jpeg

2115 ms

btn_fixed_inquiry.png

btn_fixed_inquiry.png

1991 ms

footer_logo.png

footer_logo.png

2027 ms

analytics.js

analytics.js

23 ms

collect

collect

14 ms

js

js

65 ms

btn_inquiry_large.png

btn_inquiry_large.png

1821 ms

btn_access_large.png

btn_access_large.png

1821 ms

top_bg_intro.png

top_bg_intro.png

2292 ms

footer_bg.jpg

footer_bg.jpg

2838 ms

catch1.jpg

catch1.jpg

3288 ms

catch2.jpg

catch2.jpg

2190 ms

catch3.jpg

catch3.jpg

2998 ms

catch4.jpg

catch4.jpg

2716 ms

catch5.jpg

catch5.jpg

2438 ms

catch6.jpg

catch6.jpg

2700 ms

catch7.jpg

catch7.jpg

2812 ms

catch8.jpg

catch8.jpg

3232 ms

print.css

print.css

182 ms

Accessibility Review

polku.co.jp accessibility score

77

Accessibility Issues

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

polku.co.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

polku.co.jp SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Polku.co.jp 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 Polku.co.jp 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.

Social Sharing Optimization

polku.co.jp

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