Tools & Wizards About Us
tomonokai.net screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

tomonokai.net

東大家庭教師友の会公式サイト | 東大生国内最多の在籍数

Page Load Speed

8.2 sec in total

First Response

567 ms

Resources Loaded

6.9 sec

Page Rendered

685 ms

tomonokai.net screenshot

About Website

Click here to check amazing Tomonokai content for Japan. Otherwise, check out these important facts you probably never knew about tomonokai.net

国内最多の東大生を筆頭に、慶応・早稲田・一橋・医学部など難関大生の家庭教師が多数在籍。東京・神奈川・千葉・埼玉を中心に家庭教師を紹介。学校・塾のフォローから中学受験・高校受験・大学受験まで対応。無料体験授業実施中。

Visit tomonokai.net

Key Findings

We analyzed Tomonokai.net page load time and found that the first response time was 567 ms and then it took 7.6 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

tomonokai.net performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value1,580 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.322

36/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

tomonokai.net

567 ms

www.tomonokai.net

2001 ms

wp-emoji-release.min.js

697 ms

lightbox.min.css

349 ms

style.css

1085 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 87% of them (95 requests) were addressed to the original Tomonokai.net, 3% (3 requests) were made to Stats.g.doubleclick.net and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Tomonokai.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 418.4 kB (23%)

Content Size

1.8 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tomonokai.net main page is 1.8 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 58.3 kB

  • Original 69.8 kB
  • After minification 67.6 kB
  • After compression 11.5 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 58.3 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 89.5 kB

  • Original 1.4 MB
  • After minification 1.3 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. Tomonokai images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 189.7 kB

  • Original 296.0 kB
  • After minification 267.5 kB
  • After compression 106.3 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 189.7 kB or 64% of the original size.

CSS Optimization

-87%

Potential reduce by 80.9 kB

  • Original 93.0 kB
  • After minification 91.5 kB
  • After compression 12.1 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. Tomonokai.net needs all CSS files to be minified and compressed as it can save up to 80.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (18%)

Requests Now

106

After Optimization

87

  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tomonokai. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tomonokai.net

tomonokai.net

567 ms

www.tomonokai.net

www.tomonokai.net

2001 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

697 ms

lightbox.min.css

lightbox.min.css

349 ms

style.css

style.css

1085 ms

jquery.js

jquery.js

1129 ms

jquery-migrate.min.js

jquery-migrate.min.js

576 ms

gtm4wp-form-move-tracker.js

gtm4wp-form-move-tracker.js

521 ms

wp-lightbox-2.min.js

wp-lightbox-2.min.js

182 ms

js.cookie.js

js.cookie.js

336 ms

script.js

script.js

352 ms

jquery.infinitecarousel3.js

jquery.infinitecarousel3.js

361 ms

jquery-pretty-ajax-processing.js

jquery-pretty-ajax-processing.js

408 ms

search-teacher.js

search-teacher.js

509 ms

demand_ajax.js

demand_ajax.js

527 ms

bg_square_pat.png

bg_square_pat.png

242 ms

btn_fixed.png

btn_fixed.png

239 ms

bg_utility_border.png

bg_utility_border.png

236 ms

icon_arrow_white.png

icon_arrow_white.png

243 ms

icon_external_link.png

icon_external_link.png

244 ms

utility_internal.png

utility_internal.png

240 ms

utility_external.png

utility_external.png

359 ms

utility_teacher.png

utility_teacher.png

359 ms

logo.png

logo.png

436 ms

btn_inquiry.png

btn_inquiry.png

438 ms

bg_nav.png

bg_nav.png

440 ms

nav-principle_off.png

nav-principle_off.png

443 ms

nav-features_off.png

nav-features_off.png

578 ms

nav-fee_off.png

nav-fee_off.png

576 ms

nav-teacher_off.png

nav-teacher_off.png

575 ms

nav-service_off.png

nav-service_off.png

578 ms

nav-course_off.png

nav-course_off.png

575 ms

nav-beginner_off.png

nav-beginner_off.png

584 ms

nav-top_course_syou.png

nav-top_course_syou.png

732 ms

nav-top_course_tyuu.png

nav-top_course_tyuu.png

899 ms

nav-top_course_kou.png

nav-top_course_kou.png

1068 ms

img_main.png

img_main.png

1842 ms

img_main_text.png

img_main_text.png

911 ms

122919-116x116.jpg

122919-116x116.jpg

757 ms

12773107-116x116.jpg

12773107-116x116.jpg

911 ms

12687223-116x116.jpg

12687223-116x116.jpg

947 ms

12686999-116x116.jpg

12686999-116x116.jpg

1069 ms

12671743-116x116.jpg

12671743-116x116.jpg

1088 ms

12652244-116x116.jpg

12652244-116x116.jpg

1088 ms

teachers_hosoi-116x116.jpg

teachers_hosoi-116x116.jpg

1137 ms

teachers_izuta-116x116.jpg

teachers_izuta-116x116.jpg

1235 ms

teachers_iura-116x116.jpg

teachers_iura-116x116.jpg

1240 ms

shinohara-116x116.jpg

shinohara-116x116.jpg

1265 ms

teachers_izawa-116x116.jpg

teachers_izawa-116x116.jpg

1265 ms

teachers_m.inoue_-116x116.jpg

teachers_m.inoue_-116x116.jpg

1326 ms

teachers_unemura1-116x116.jpg

teachers_unemura1-116x116.jpg

1192 ms

teachers_mori1-116x116.jpg

teachers_mori1-116x116.jpg

1198 ms

teachers_tanaka1-116x116.jpg

teachers_tanaka1-116x116.jpg

1225 ms

teachers_shimizu1-116x116.jpg

teachers_shimizu1-116x116.jpg

1224 ms

teachers_wada1-116x116.jpg

teachers_wada1-116x116.jpg

1296 ms

teachers_masaike1-116x116.jpg

teachers_masaike1-116x116.jpg

1357 ms

teachers_kino1-116x116.jpg

teachers_kino1-116x116.jpg

1362 ms

gtm.js

gtm.js

110 ms

tag.js

tag.js

106 ms

teachers_kawachi1-116x116.jpg

teachers_kawachi1-116x116.jpg

1284 ms

tag

tag

57 ms

dc.js

dc.js

84 ms

conversion_async.js

conversion_async.js

29 ms

analytics.js

analytics.js

36 ms

540 ms

btn_teacher_search.png

btn_teacher_search.png

1207 ms

top_course_syou.png

top_course_syou.png

1481 ms

top_course_tyuu.png

top_course_tyuu.png

1332 ms

top_course_kou.png

top_course_kou.png

1338 ms

top_course_kikoku.png

top_course_kikoku.png

1372 ms

119 ms

collect

collect

64 ms

collect

collect

98 ms

__utm.gif

__utm.gif

22 ms

41 ms

top_course_eiken.png

top_course_eiken.png

1245 ms

top_course_toeic.png

top_course_toeic.png

1370 ms

top_course_toefl.png

top_course_toefl.png

1376 ms

top_course_igakubu.png

top_course_igakubu.png

1422 ms

top_course_rikei.png

top_course_rikei.png

1423 ms

top_course_mosi.png

top_course_mosi.png

1446 ms

top_course_kyoukasyo.png

top_course_kyoukasyo.png

1373 ms

top_beginner01.png

top_beginner01.png

1353 ms

top_beginner02.png

top_beginner02.png

1227 ms

top_beginner03.png

top_beginner03.png

1266 ms

top_beginner05.png

top_beginner05.png

1266 ms

top_beginner08.png

top_beginner08.png

1264 ms

top_special01.png

top_special01.png

1419 ms

top_special02.png

top_special02.png

1214 ms

top_special04.png

top_special04.png

1206 ms

top_special03.png

top_special03.png

1265 ms

icon_arrow_blue_large.png

icon_arrow_blue_large.png

1218 ms

icon_arrow_blue_small.png

icon_arrow_blue_small.png

1159 ms

icon_pagetop.png

icon_pagetop.png

1212 ms

icon_footer_belta.png

icon_footer_belta.png

1202 ms

text_footer.png

text_footer.png

1266 ms

text_footer_inquiry.png

text_footer_inquiry.png

1208 ms

icon_footer_external_link.png

icon_footer_external_link.png

1171 ms

footer_logo.png

footer_logo.png

1211 ms

banner01.png

banner01.png

1196 ms

banner02.png

banner02.png

1224 ms

banner03.png

banner03.png

1192 ms

banner04.png

banner04.png

1134 ms

banner05.png

banner05.png

1173 ms

banner06.png

banner06.png

1173 ms

btn_favorite.png

btn_favorite.png

1190 ms

btn_footer_inquiry.png

btn_footer_inquiry.png

1107 ms

ya.js

ya.js

315 ms

pixel_p.js

pixel_p.js

315 ms

Accessibility Review

tomonokai.net accessibility score

75

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

tomonokai.net best practices score

75

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

Browser errors were logged to the console

SEO Factors

tomonokai.net SEO score

85

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

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

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

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 Tomonokai.net 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 Tomonokai.net 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

tomonokai.net

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