Tools & Wizards About Us
tsukuba-zemi.jp screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

tsukuba-zemi.jp

筑波ゼミナール | 高槻で学年・科目・学力別1:4の少数クラス塾、1:1の個別指導

Page Load Speed

9.5 sec in total

First Response

994 ms

Resources Loaded

7.8 sec

Page Rendered

714 ms

tsukuba-zemi.jp screenshot

About Website

Welcome to tsukuba-zemi.jp homepage info - get ready to check Tsukuba Zemi best content for Japan right away, or after learning these important things about tsukuba-zemi.jp

小学1年生から中学生、高校生、大学受験まで、どんな生徒でも成績を上げる仕組みがあります。学年・科目・学力別1:4の少数クラス指導塾の筑波ゼミナールのオフィシャルサイトです。

Visit tsukuba-zemi.jp

Key Findings

We analyzed Tsukuba-zemi.jp page load time and found that the first response time was 994 ms and then it took 8.5 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

tsukuba-zemi.jp performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value8.8 s

15/100

10%

TBT (Total Blocking Time)

Value1,930 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

tsukuba-zemi.jp

994 ms

reset.css

349 ms

base.css

522 ms

layout.css

350 ms

category.css

561 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 97% of them (58 requests) were addressed to the original Tsukuba-zemi.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.9 sec) belongs to the original domain Tsukuba-zemi.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 303.2 kB (10%)

Content Size

3.2 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tsukuba-zemi.jp main page is 3.2 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. 35% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 15.1 kB

  • Original 21.7 kB
  • After minification 19.1 kB
  • After compression 6.6 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 15.1 kB or 70% of the original size.

Image Optimization

-5%

Potential reduce by 133.9 kB

  • Original 2.9 MB
  • After minification 2.8 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. Tsukuba Zemi images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 138.9 kB

  • Original 198.8 kB
  • After minification 173.3 kB
  • After compression 59.9 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 138.9 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 15.3 kB

  • Original 19.5 kB
  • After minification 13.5 kB
  • After compression 4.2 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. Tsukuba-zemi.jp needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (12%)

Requests Now

58

After Optimization

51

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tsukuba Zemi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tsukuba-zemi.jp

tsukuba-zemi.jp

994 ms

reset.css

reset.css

349 ms

base.css

base.css

522 ms

layout.css

layout.css

350 ms

category.css

category.css

561 ms

jcarousel.css

jcarousel.css

383 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1385 ms

jquery.bxSlider.js

jquery.bxSlider.js

1219 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

549 ms

body_bg.jpg

body_bg.jpg

476 ms

screen_bg.gif

screen_bg.gif

175 ms

header.jpg

header.jpg

1044 ms

header_btn_03_bg.jpg

header_btn_03_bg.jpg

689 ms

header_btn_03.jpg

header_btn_03.jpg

520 ms

gnav_o01.jpg

gnav_o01.jpg

738 ms

gnav_01.jpg

gnav_01.jpg

763 ms

gnav_o02.jpg

gnav_o02.jpg

978 ms

gnav_02.jpg

gnav_02.jpg

866 ms

gnav_o03.jpg

gnav_o03.jpg

1032 ms

gnav_03.jpg

gnav_03.jpg

1106 ms

gnav_o04.jpg

gnav_o04.jpg

954 ms

gnav_04.jpg

gnav_04.jpg

1039 ms

gnav_o05.jpg

gnav_o05.jpg

1144 ms

gnav_05.jpg

gnav_05.jpg

1146 ms

gnav_o06.jpg

gnav_o06.jpg

1375 ms

gnav_06.jpg

gnav_06.jpg

1212 ms

main_07.jpg

main_07.jpg

3422 ms

banner_01.jpg

banner_01.jpg

2660 ms

p1.gif

p1.gif

1560 ms

img_03.jpg

img_03.jpg

1984 ms

p2.gif

p2.gif

1385 ms

banner04.jpg

banner04.jpg

3265 ms

banner01.jpg

banner01.jpg

2077 ms

hd_01.jpg

hd_01.jpg

2131 ms

banner02.jpg

banner02.jpg

3028 ms

hd_03.jpg

hd_03.jpg

2251 ms

img_02.jpg

img_02.jpg

4075 ms

hd_02.jpg

hd_02.jpg

2943 ms

btn_inq.jpg

btn_inq.jpg

3394 ms

side_bnr_06.jpg

side_bnr_06.jpg

3289 ms

side_img.jpg

side_img.jpg

4158 ms

side_btn.jpg

side_btn.jpg

3435 ms

btn_message.jpg

btn_message.jpg

3809 ms

side_btn_01.jpg

side_btn_01.jpg

3762 ms

analytics.js

analytics.js

6 ms

side_btn_04.jpg

side_btn_04.jpg

3917 ms

collect

collect

11 ms

side_btn_03.jpg

side_btn_03.jpg

3443 ms

side_bnr_02.jpg

side_bnr_02.jpg

3659 ms

side_bnr_03.jpg

side_bnr_03.jpg

3438 ms

side_access3.gif

side_access3.gif

3303 ms

side_access2.gif

side_access2.gif

3404 ms

side_access.gif

side_access.gif

3402 ms

bnr_disital.jpg

bnr_disital.jpg

4857 ms

recruit.jpg

recruit.jpg

3319 ms

footer_bg.gif

footer_bg.gif

3328 ms

footer.gif

footer.gif

3662 ms

footer_li.gif

footer_li.gif

3310 ms

footer_s_li.gif

footer_s_li.gif

3293 ms

s_banner.jpg

s_banner.jpg

3357 ms

Accessibility Review

tsukuba-zemi.jp accessibility score

93

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

Links do not have a discernible name

Best Practices

tsukuba-zemi.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tsukuba-zemi.jp SEO score

100

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tsukuba-zemi.jp 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 Tsukuba-zemi.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

tsukuba-zemi.jp

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