Tools & Wizards About Us
reversal.jp screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

reversal.jp

リバーサルジム東京スタンドアウト(STANDOUT)　東京都渋谷区 代々木上原 代々木公園 下北沢 港区 田町芝浦 新宿 麹町 拝島 キックボクシング　柔術　総合格闘技　キッズレスリング　子供　プライベートレッスン

Page Load Speed

7.2 sec in total

First Response

618 ms

Resources Loaded

6.3 sec

Page Rendered

290 ms

reversal.jp screenshot

About Website

Click here to check amazing Reversal content for Japan. Otherwise, check out these important facts you probably never knew about reversal.jp

リバーサルジム東京スタンドアウトは、代々木上原、代々木公園、田町芝浦、下北沢、麹町、新宿、牛込柳町、拝島にスタジオがある格闘技&フィットネスジム。格闘技を本気でやりたい人はもちろん、格闘技を楽しみたい人も大歓迎です。いつでも体を動かせる環境なので自分の都合に合わせて楽しく気軽に汗を流してください。

Visit reversal.jp

Key Findings

We analyzed Reversal.jp page load time and found that the first response time was 618 ms and then it took 6.6 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

reversal.jp performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.325

35/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

reversal.jp

618 ms

reversal.jp

1039 ms

jquery-1.12.1.min.js

25 ms

jquery-migrate-1.2.1.min.js

411 ms

jquery.flexslider-min.js

616 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 70% of them (64 requests) were addressed to the original Reversal.jp, 12% (11 requests) were made to Google.com and 4% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Reversal.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 409.3 kB (15%)

Content Size

2.7 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Reversal.jp main page is 2.7 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. 60% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 38.2 kB

  • Original 50.4 kB
  • After minification 44.9 kB
  • After compression 12.2 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 5.5 kB, which is 11% 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 38.2 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 259.3 kB

  • Original 2.4 MB
  • After minification 2.1 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. Obviously, Reversal needs image optimization as it can save up to 259.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 21.0 kB

  • Original 148.4 kB
  • After minification 148.4 kB
  • After compression 127.4 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 21.0 kB or 14% of the original size.

CSS Optimization

-84%

Potential reduce by 90.8 kB

  • Original 107.7 kB
  • After minification 76.6 kB
  • After compression 16.9 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. Reversal.jp needs all CSS files to be minified and compressed as it can save up to 90.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (41%)

Requests Now

81

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reversal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

reversal.jp

reversal.jp

618 ms

reversal.jp

reversal.jp

1039 ms

jquery-1.12.1.min.js

jquery-1.12.1.min.js

25 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

411 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

616 ms

jsapi

jsapi

14 ms

normalize_v3.0.2.css

normalize_v3.0.2.css

632 ms

flexslider.css

flexslider.css

633 ms

base.css

base.css

634 ms

js

js

88 ms

loader.js

loader.js

30 ms

pc.css

pc.css

208 ms

notosansjapanese.css

notosansjapanese.css

25 ms

gtm.js

gtm.js

168 ms

analytics.js

analytics.js

167 ms

blog_ameblo.php

blog_ameblo.php

266 ms

embed

embed

334 ms

embed

embed

430 ms

embed

embed

438 ms

embed

embed

437 ms

embed

embed

448 ms

embed

embed

440 ms

embed

embed

495 ms

embed

embed

568 ms

usa_flag.png

usa_flag.png

438 ms

japan_flag.png

japan_flag.png

228 ms

logo_white_for_top.png

logo_white_for_top.png

438 ms

top_1.jpg

top_1.jpg

857 ms

top_2.jpg

top_2.jpg

1658 ms

top_3.jpg

top_3.jpg

1675 ms

top_4.jpg

top_4.jpg

665 ms

top_5.jpg

top_5.jpg

1257 ms

arrow_pink_w_under.png

arrow_pink_w_under.png

649 ms

arrow_pink.svg

arrow_pink.svg

860 ms

icon_r.svg

icon_r.svg

872 ms

studio_image.png

studio_image.png

2331 ms

arrow_pink_up.png

arrow_pink_up.png

1070 ms

img0101.png

img0101.png

1283 ms

img0102.png

img0102.png

1703 ms

img0103.png

img0103.png

1463 ms

arrow_gray_under.png

arrow_gray_under.png

1491 ms

img0201.png

img0201.png

1667 ms

img0202.png

img0202.png

1696 ms

img0203.png

img0203.png

1863 ms

img0301.png

img0301.png

1873 ms

img0302.png

img0302.png

1881 ms

img0303.png

img0303.png

1903 ms

img0401.png

img0401.png

2123 ms

img0402.png

img0402.png

2068 ms

img0403.png

img0403.png

2079 ms

img0501.png

img0501.png

2294 ms

img0502.png

img0502.png

2109 ms

img0503.png

img0503.png

2274 ms

cp_bnr_default.jpg

cp_bnr_default.jpg

2283 ms

cp_bnr_contact.jpg

cp_bnr_contact.jpg

2314 ms

cp_bnr_20210107_line.jpg

cp_bnr_20210107_line.jpg

2334 ms

icon_sidenavi_question.svg

icon_sidenavi_question.svg

2478 ms

icon_sidenavi_submit.svg

icon_sidenavi_submit.svg

2489 ms

arrow_pink_w_under.svg

arrow_pink_w_under.svg

2478 ms

sdk.js

sdk.js

133 ms

97 ms

collect

collect

32 ms

js

js

112 ms

destination

destination

59 ms

logo_white_for_footer.svg

logo_white_for_footer.svg

2302 ms

sdk.js

sdk.js

5 ms

199 ms

NotoSansCJKjp-Regular.woff

NotoSansCJKjp-Regular.woff

3128 ms

102 ms

js

js

112 ms

30 ms

NotoSansCJKjp-Thin.woff

NotoSansCJKjp-Thin.woff

2998 ms

Anton.woff

Anton.woff

2249 ms

search.js

search.js

7 ms

geometry.js

geometry.js

10 ms

main.js

main.js

27 ms

NotoSansCJKjp-Black.woff

NotoSansCJKjp-Black.woff

2664 ms

NotoSansCJKjp-Bold.woff

NotoSansCJKjp-Bold.woff

2666 ms

flexslider-icon.woff

flexslider-icon.woff

1873 ms

cp_bnr_default_270w.jpg

cp_bnr_default_270w.jpg

2033 ms

arrow_blue.svg

arrow_blue.svg

2065 ms

logo_white_for_footer.png

logo_white_for_footer.png

2029 ms

sp_icon_twitter.svg

sp_icon_twitter.svg

1886 ms

sp_icon_insta.svg

sp_icon_insta.svg

2021 ms

sp_icon_FB.svg

sp_icon_FB.svg

1886 ms

sp_icon_LINE.svg

sp_icon_LINE.svg

2019 ms

sp_icon_blog.svg

sp_icon_blog.svg

1860 ms

icon_sidenavi_arrow_blog.png

icon_sidenavi_arrow_blog.png

1870 ms

flexslider-icon.ttf

flexslider-icon.ttf

816 ms

sp.css

sp.css

207 ms

flexslider-icon.svg

flexslider-icon.svg

207 ms

tablet.css

tablet.css

208 ms

Accessibility Review

reversal.jp accessibility score

68

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

<object> elements do not have alternate text

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

reversal.jp best practices score

67

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

reversal.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

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

    N/A

  • Encoding

    UTF-8

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

reversal.jp

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