Tools & Wizards About Us
waseda-ac.co.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

waseda-ac.co.jp

進学塾・学習塾なら早稲田アカデミー

Page Load Speed

6.8 sec in total

First Response

10 ms

Resources Loaded

6.5 sec

Page Rendered

210 ms

waseda-ac.co.jp screenshot

About Website

Click here to check amazing Waseda Ac content for Japan. Otherwise, check out these important facts you probably never knew about waseda-ac.co.jp

【早稲田アカデミー公式サイト】です。早稲田アカデミーは中学・高校・大学受験の進学塾・学習塾。早稲アカで、夢への一歩を踏み出そう。

Visit waseda-ac.co.jp

Key Findings

We analyzed Waseda-ac.co.jp page load time and found that the first response time was 10 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

waseda-ac.co.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.8 s

0/100

25%

SI (Speed Index)

Value22.2 s

0/100

10%

TBT (Total Blocking Time)

Value7,000 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value25.2 s

0/100

10%

Network Requests Diagram

waseda-ac.co.jp

10 ms

waseda-ac.co.jp

695 ms

www.waseda-ac.co.jp

874 ms

base.css

520 ms

module.css

1355 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 79% of them (45 requests) were addressed to the original Waseda-ac.co.jp, 5% (3 requests) were made to Cdn.cookielaw.org and 2% (1 request) were made to Ssl-cache.stream.ne.jp. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Waseda-ac.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 212.7 kB (5%)

Content Size

3.9 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Waseda-ac.co.jp main page is 3.9 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. 55% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 41.5 kB

  • Original 51.9 kB
  • After minification 47.3 kB
  • After compression 10.4 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 41.5 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 155.9 kB

  • Original 3.1 MB
  • After minification 2.9 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. Waseda Ac images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 10.0 kB

  • Original 775.7 kB
  • After minification 775.7 kB
  • After compression 765.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 5.3 kB

  • Original 37.3 kB
  • After minification 37.3 kB
  • After compression 32.0 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. Waseda-ac.co.jp needs all CSS files to be minified and compressed as it can save up to 5.3 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (45%)

Requests Now

51

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Waseda Ac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

waseda-ac.co.jp

waseda-ac.co.jp

10 ms

waseda-ac.co.jp

waseda-ac.co.jp

695 ms

www.waseda-ac.co.jp

www.waseda-ac.co.jp

874 ms

base.css

base.css

520 ms

module.css

module.css

1355 ms

tems.css

tems.css

516 ms

index.css

index.css

688 ms

mvslider.css

mvslider.css

691 ms

obj.js

obj.js

1271 ms

OtAutoBlock.js

OtAutoBlock.js

79 ms

otSDKStub.js

otSDKStub.js

95 ms

satelliteLib-6653553335211f4397de82b83cd08b9afaeb0cb1.js

satelliteLib-6653553335211f4397de82b83cd08b9afaeb0cb1.js

33 ms

ytag.js

ytag.js

700 ms

js

js

57 ms

lib.js

lib.js

1174 ms

main.js

main.js

2235 ms

tems.js

tems.js

1034 ms

index.js

index.js

704 ms

conversion.js

conversion.js

101 ms

s_retargeting.js

s_retargeting.js

860 ms

343b4473-0155-4ce2-8c89-4932c7077dc0.json

343b4473-0155-4ce2-8c89-4932c7077dc0.json

823 ms

logo.svg

logo.svg

651 ms

cover_pc_0.jpg

cover_pc_0.jpg

1339 ms

cover_pc_1.jpg

cover_pc_1.jpg

1495 ms

icon_course_select_ele.png

icon_course_select_ele.png

1272 ms

icon_close.png

icon_close.png

653 ms

icon_course_select_junior.png

icon_course_select_junior.png

654 ms

icon_course_select_high.png

icon_course_select_high.png

1272 ms

icon_course_select_kobetsu.png

icon_course_select_kobetsu.png

1272 ms

bnr_el_standardized.png

bnr_el_standardized.png

1272 ms

bnr_shortcourse_summer.jpg

bnr_shortcourse_summer.jpg

1601 ms

bnr_entrance_test.png

bnr_entrance_test.png

1445 ms

bnr_el_nnattack_entrance4.png

bnr_el_nnattack_entrance4.png

1296 ms

bnr_toshin.png

bnr_toshin.png

1296 ms

bnr_kobetsu_school_saginuma.jpg

bnr_kobetsu_school_saginuma.jpg

1956 ms

bnr_kobetsu_school_tanashi.jpg

bnr_kobetsu_school_tanashi.jpg

2312 ms

bnr_request_info.jpg

bnr_request_info.jpg

2011 ms

bnr_request_info_sp.jpg

bnr_request_info_sp.jpg

2486 ms

bnr_request_ft_nn.png

bnr_request_ft_nn.png

2003 ms

bnr_request_ft_nn_sp.png

bnr_request_ft_nn_sp.png

2451 ms

bnr_request_ft_jhvic.png

bnr_request_ft_jhvic.png

2134 ms

bnr_request_ft_jhvic_sp.png

bnr_request_ft_jhvic_sp.png

2187 ms

bnr_request_info.jpg

bnr_request_info.jpg

3183 ms

bnr_request_info_sp.jpg

bnr_request_info_sp.jpg

2645 ms

bnr_request_info_ld.jpg

bnr_request_info_ld.jpg

3367 ms

bnr_request_info_ld_sp.jpg

bnr_request_info_ld_sp.jpg

2490 ms

bnr_request_info_ny.jpg

bnr_request_info_ny.jpg

2796 ms

bnr_request_info_ny_sp.jpg

bnr_request_info_ny_sp.jpg

3355 ms

img_line.png

img_line.png

2668 ms

img_twitter.png

img_twitter.png

3160 ms

location

location

625 ms

318 ms

icon.woff

icon.woff

1572 ms

icon02.woff

icon02.woff

1699 ms

mv_arrow_left.png

mv_arrow_left.png

1729 ms

mv_arrow_right.png

mv_arrow_right.png

1860 ms

38 ms

Accessibility Review

waseda-ac.co.jp accessibility score

89

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

waseda-ac.co.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

waseda-ac.co.jp SEO score

92

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 Waseda-ac.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 Waseda-ac.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

waseda-ac.co.jp

Open Graph data is detected on the main page of Waseda Ac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: