Tools & Wizards About Us
scubapro-shop.co.jp screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

scubapro-shop.co.jp

中古ダイビング器材ならスキューバプロショップ横浜

Page Load Speed

11.9 sec in total

First Response

1.8 sec

Resources Loaded

9.2 sec

Page Rendered

927 ms

scubapro-shop.co.jp screenshot

About Website

Welcome to scubapro-shop.co.jp homepage info - get ready to check Scubapro Shop best content for Japan right away, or after learning these important things about scubapro-shop.co.jp

スキューバプロショップ横浜は、日本で数少ない「本格中古ダイビング器材の販売・買取店」です。中古器材を扱って20年以上の経験とノウハウで、どこにも負けない販売価格でのご提供。どこにも負けない買取価格への挑戦で、ダイビングを愛する方を応援するお店です。ダイビングプロショップとして30年の実績で、あなたのダイビングライフを手厚くサポートいたします。

Visit scubapro-shop.co.jp

Key Findings

We analyzed Scubapro-shop.co.jp page load time and found that the first response time was 1.8 sec and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

scubapro-shop.co.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value13.4 s

2/100

10%

TBT (Total Blocking Time)

Value570 ms

52/100

30%

CLS (Cumulative Layout Shift)

Value0.417

23/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

www.scubapro-shop.co.jp

1775 ms

style.css

345 ms

normalize.css

522 ms

slider-pro.min.css

699 ms

animate.css

696 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 93% of them (99 requests) were addressed to the original Scubapro-shop.co.jp, 3% (3 requests) were made to Connect.facebook.net and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Scubapro-shop.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 357.6 kB (7%)

Content Size

5.2 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Scubapro-shop.co.jp main page is 5.2 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. 55% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 99.7 kB

  • Original 124.7 kB
  • After minification 122.2 kB
  • After compression 24.9 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 99.7 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 217.8 kB

  • Original 4.8 MB
  • After minification 4.6 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. Scubapro Shop images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 33.2 kB

  • Original 200.0 kB
  • After minification 200.0 kB
  • After compression 166.8 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 33.2 kB or 17% of the original size.

CSS Optimization

-11%

Potential reduce by 6.9 kB

  • Original 64.8 kB
  • After minification 64.2 kB
  • After compression 57.9 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. Scubapro-shop.co.jp needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (30%)

Requests Now

104

After Optimization

73

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scubapro Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.scubapro-shop.co.jp

www.scubapro-shop.co.jp

1775 ms

style.css

style.css

345 ms

normalize.css

normalize.css

522 ms

slider-pro.min.css

slider-pro.min.css

699 ms

animate.css

animate.css

696 ms

font-awesome.min.css

font-awesome.min.css

696 ms

fira-sans-v8-latin-regular.css

fira-sans-v8-latin-regular.css

704 ms

jquery.simplyscroll.css

jquery.simplyscroll.css

766 ms

style.css

style.css

784 ms

style-mobile.css

style-mobile.css

873 ms

style-home.css

style-home.css

878 ms

sbi-styles.min.css

sbi-styles.min.css

873 ms

style.min.css

style.min.css

912 ms

styles.css

styles.css

961 ms

pagenavi-css.css

pagenavi-css.css

1006 ms

bb-google-map-lite.css

bb-google-map-lite.css

1051 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

1048 ms

jetpack.css

jetpack.css

1057 ms

jquery.js

jquery.js

1242 ms

jquery-migrate.min.js

jquery-migrate.min.js

1155 ms

scripts.js

scripts.js

1041 ms

functions.js

functions.js

1061 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

1064 ms

jquery.easing.min.js

jquery.easing.min.js

1070 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

1240 ms

wp-embed.min.js

wp-embed.min.js

1240 ms

sbi-scripts.min.js

sbi-scripts.min.js

1241 ms

js

js

78 ms

e-202434.js

e-202434.js

21 ms

fbevents.js

fbevents.js

52 ms

analytics.js

analytics.js

37 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

553 ms

collect

collect

28 ms

logo.png

logo.png

211 ms

img-mv-01.jpg

img-mv-01.jpg

520 ms

img-mv-01-sp.jpg

img-mv-01-sp.jpg

1037 ms

spro_banner_license_2.jpg

spro_banner_license_2.jpg

736 ms

ooihutospro_banner_sp.jpg

ooihutospro_banner_sp.jpg

500 ms

fig-home-03.png

fig-home-03.png

337 ms

img-home-03.jpg

img-home-03.jpg

692 ms

btn-contact-01.png

btn-contact-01.png

517 ms

btn-contact-02.png

btn-contact-02.png

678 ms

img-home-04.jpg

img-home-04.jpg

1202 ms

img-home-05.jpg

img-home-05.jpg

868 ms

0-40-720x540.png

0-40-720x540.png

1367 ms

0-39-720x540.png

0-39-720x540.png

1208 ms

0-38-720x540.png

0-38-720x540.png

1514 ms

0-37-720x540.png

0-37-720x540.png

1056 ms

0-36-720x540.png

0-36-720x540.png

1468 ms

0-35-720x540.png

0-35-720x540.png

1248 ms

0-34-720x540.png

0-34-720x540.png

1554 ms

0-33-720x540.png

0-33-720x540.png

1395 ms

0-32-720x540.png

0-32-720x540.png

1440 ms

fig-home-08.png

fig-home-08.png

1543 ms

img-home-06.jpg

img-home-06.jpg

1577 ms

btn-contact-03.png

btn-contact-03.png

1618 ms

btn-contact-04.png

btn-contact-04.png

1666 ms

item_contents_01.jpg

item_contents_01.jpg

1717 ms

item_contents_02.jpg

item_contents_02.jpg

1722 ms

item_contents_08.jpg

item_contents_08.jpg

1731 ms

item_contents_03.jpg

item_contents_03.jpg

1754 ms

item_contents_06.jpg

item_contents_06.jpg

1796 ms

item_contents_15.jpg

item_contents_15.jpg

1886 ms

item_contents_13.jpg

item_contents_13.jpg

1918 ms

sdk.js

sdk.js

12 ms

item_contents_16.jpg

item_contents_16.jpg

1888 ms

item_contents_14.jpg

item_contents_14.jpg

1760 ms

placeholder.png

placeholder.png

1781 ms

sdk.js

sdk.js

56 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1832 ms

fira-sans-v8-latin-500.woff

fira-sans-v8-latin-500.woff

1875 ms

89 ms

logo-white.png

logo-white.png

1844 ms

icon-freedial.svg

icon-freedial.svg

1761 ms

img-home-01.jpg

img-home-01.jpg

1621 ms

img-home-02.jpg

img-home-02.jpg

1593 ms

fig-home-01.png

fig-home-01.png

1644 ms

fig-home-02.png

fig-home-02.png

1579 ms

icon-home-01.png

icon-home-01.png

1586 ms

icon-home-02.png

icon-home-02.png

1537 ms

icon-home-03.png

icon-home-03.png

1419 ms

icon-home-04.png

icon-home-04.png

1285 ms

icon-home-05.png

icon-home-05.png

1290 ms

fig-home-04.png

fig-home-04.png

1231 ms

fig-home-05.png

fig-home-05.png

1244 ms

fig-home-06.png

fig-home-06.png

1223 ms

fig-home-07.png

fig-home-07.png

1098 ms

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457005584_526094079867130_4369623882259924523_nthumb.jpg

1125 ms

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1107 ms

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1142 ms

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1119 ms

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1097 ms

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1111 ms

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1142 ms

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1118 ms

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1121 ms

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1094 ms

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1095 ms

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1127 ms

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1164 ms

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1124 ms

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1081 ms

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1089 ms

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1084 ms

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1138 ms

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1190 ms

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1112 ms

Accessibility Review

scubapro-shop.co.jp accessibility score

88

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

scubapro-shop.co.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

scubapro-shop.co.jp SEO score

93

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

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 Scubapro-shop.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 Scubapro-shop.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

scubapro-shop.co.jp

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