Tools & Wizards About Us
nagasaki-ashihara-karate.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

nagasaki-ashihara-karate.com

長崎 空手 道場｜新国際空手道連盟 芦原会館 長崎支部

Page Load Speed

5.3 sec in total

First Response

1 sec

Resources Loaded

4.1 sec

Page Rendered

121 ms

nagasaki-ashihara-karate.com screenshot

About Website

Click here to check amazing Nagasaki Ashihara Karate content. Otherwise, check out these important facts you probably never knew about nagasaki-ashihara-karate.com

長崎の空手道場、芦原会館は随時道場生募集しています。安心して楽しめる空手がテーマである芦原会館 長崎支部の紹介、入会案内、フォトギャラリーなどをご覧になれます。体験入会、見学は随時受け付けています。お気軽にご連絡ください。

Visit nagasaki-ashihara-karate.com

Key Findings

We analyzed Nagasaki-ashihara-karate.com page load time and found that the first response time was 1 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

nagasaki-ashihara-karate.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value150 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.284

42/100

15%

TTI (Time to Interactive)

Value7.9 s

44/100

10%

Network Requests Diagram

index.html

1034 ms

index.css

593 ms

CSScriptLib.js

1200 ms

swfobject_modified.js

822 ms

get_flash_player.gif

35 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 93% of them (37 requests) were addressed to the original Nagasaki-ashihara-karate.com, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Adobe.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Nagasaki-ashihara-karate.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.1 kB (30%)

Content Size

368.5 kB

After Optimization

258.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nagasaki-ashihara-karate.com main page is 368.5 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. 15% of websites need less resources to load. Images take 220.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 17.2 kB

  • Original 21.4 kB
  • After minification 14.1 kB
  • After compression 4.2 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 7.3 kB, which is 34% 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 17.2 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 6.6 kB

  • Original 220.6 kB
  • After minification 214.0 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. Nagasaki Ashihara Karate images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 83.1 kB

  • Original 122.3 kB
  • After minification 103.5 kB
  • After compression 39.2 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 83.1 kB or 68% of the original size.

CSS Optimization

-76%

Potential reduce by 3.2 kB

  • Original 4.2 kB
  • After minification 3.6 kB
  • After compression 1.0 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. Nagasaki-ashihara-karate.com needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

39

After Optimization

28

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nagasaki Ashihara Karate. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

index.html

index.html

1034 ms

index.css

index.css

593 ms

CSScriptLib.js

CSScriptLib.js

1200 ms

swfobject_modified.js

swfobject_modified.js

822 ms

get_flash_player.gif

get_flash_player.gif

35 ms

bar_1_02.jpg

bar_1_02.jpg

204 ms

bar_1_01.jpg

bar_1_01.jpg

201 ms

bar_1_03.jpg

bar_1_03.jpg

200 ms

bar_1_04.jpg

bar_1_04.jpg

207 ms

bar_1_05.jpg

bar_1_05.jpg

397 ms

bar_1_07.jpg

bar_1_07.jpg

398 ms

bar_1_06.jpg

bar_1_06.jpg

400 ms

bar_1_08.jpg

bar_1_08.jpg

403 ms

bar_1_09.jpg

bar_1_09.jpg

404 ms

top_ti_dot.gif

top_ti_dot.gif

411 ms

btn_join.jpg

btn_join.jpg

593 ms

nav_general.jpg

nav_general.jpg

990 ms

nav_woman.jpg

nav_woman.jpg

601 ms

nav_child.jpg

nav_child.jpg

806 ms

nav_senior.jpg

nav_senior.jpg

1011 ms

nav_lesson.jpg

nav_lesson.jpg

820 ms

nav_photo.jpg

nav_photo.jpg

988 ms

get_adobe_reader.gif

get_adobe_reader.gif

801 ms

0.gif

0.gif

1001 ms

9.gif

9.gif

1008 ms

1.gif

1.gif

1027 ms

5.gif

5.gif

1186 ms

3.gif

3.gif

1187 ms

6.gif

6.gif

1206 ms

honbu_link_2.gif

honbu_link_2.gif

1209 ms

nagasaki_link_2.gif

nagasaki_link_2.gif

1212 ms

ga.js

ga.js

5 ms

__utm.gif

__utm.gif

12 ms

bar_2_04.jpg

bar_2_04.jpg

204 ms

bar_2_05.jpg

bar_2_05.jpg

203 ms

bar_2_06.jpg

bar_2_06.jpg

199 ms

bar_2_08.jpg

bar_2_08.jpg

207 ms

honbu_link_1.gif

honbu_link_1.gif

203 ms

nagasaki_link_1.gif

nagasaki_link_1.gif

200 ms

bar_2_07.jpg

bar_2_07.jpg

396 ms

Accessibility Review

nagasaki-ashihara-karate.com accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

nagasaki-ashihara-karate.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nagasaki-ashihara-karate.com SEO score

70

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

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 Nagasaki-ashihara-karate.com 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 Nagasaki-ashihara-karate.com 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

nagasaki-ashihara-karate.com

Open Graph description is not detected on the main page of Nagasaki Ashihara Karate. 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: