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papalagi.co.jp screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

papalagi.co.jp

パパラギダイビングスクールでダイビングライセンス取得 - ダイビングライセンスならパパラギダイビングスクール。国内最大規模。

Page Load Speed

8.8 sec in total

First Response

1.6 sec

Resources Loaded

6.8 sec

Page Rendered

373 ms

papalagi.co.jp screenshot

About Website

Welcome to papalagi.co.jp homepage info - get ready to check Papalagi best content for Thailand right away, or after learning these important things about papalagi.co.jp

PADIダイビングライセンス取得からインストラクター資格まで。29000名を超える初心者ライセンスの認定実績は国内トップクラス。創立39周年、都内・神奈川・伊豆・沖縄・グアムに12店舗。パパラギダイビングスクールは海と人を愛する仲間が集う空間を提供します。

Visit papalagi.co.jp

Key Findings

We analyzed Papalagi.co.jp page load time and found that the first response time was 1.6 sec and then it took 7.2 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

papalagi.co.jp performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value25.0 s

0/100

10%

TBT (Total Blocking Time)

Value3,420 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.394

26/100

15%

TTI (Time to Interactive)

Value36.3 s

0/100

10%

Network Requests Diagram

papalagi.co.jp

1567 ms

style.css

1158 ms

custommenu.css

521 ms

style.css

700 ms

datepicker.css

558 ms

Our browser made a total of 135 requests to load all elements on the main page. We found that 84% of them (114 requests) were addressed to the original Papalagi.co.jp, 2% (3 requests) were made to Fonts.googleapis.com and 1% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Papalagi.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (32%)

Content Size

5.2 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Papalagi.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. 70% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 67.9 kB

  • Original 81.9 kB
  • After minification 64.7 kB
  • After compression 14.0 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 17.2 kB, which is 21% 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 67.9 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 93.9 kB

  • Original 3.2 MB
  • After minification 3.1 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. Papalagi images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 602.5 kB

  • Original 895.5 kB
  • After minification 839.8 kB
  • After compression 293.1 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 602.5 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 885.4 kB

  • Original 1.0 MB
  • After minification 784.9 kB
  • After compression 137.0 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. Papalagi.co.jp needs all CSS files to be minified and compressed as it can save up to 885.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 100 (78%)

Requests Now

129

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Papalagi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 59 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

papalagi.co.jp

papalagi.co.jp

1567 ms

style.css

style.css

1158 ms

custommenu.css

custommenu.css

521 ms

style.css

style.css

700 ms

datepicker.css

datepicker.css

558 ms

jquery.lightbox-0.5.css

jquery.lightbox-0.5.css

563 ms

style.css

style.css

740 ms

tiny_mce.js

tiny_mce.js

1643 ms

tb_tinymce.js.php

tb_tinymce.js.php

991 ms

tinymce_loader.js.php

tinymce_loader.js.php

1164 ms

selection.js

selection.js

868 ms

style2.css

style2.css

1103 ms

swfobject.js

swfobject.js

1037 ms

mediagallery.js

mediagallery.js

1165 ms

forum.css

forum.css

1206 ms

smilies.css.php

smilies.css.php

1531 ms

common.css

common.css

1314 ms

jquery-ui-1.8.21.custom.css

jquery-ui-1.8.21.custom.css

1523 ms

css

css

24 ms

css

css

37 ms

bootstrap.min.css

bootstrap.min.css

1853 ms

style.css

style.css

1538 ms

plugins.css

plugins.css

1474 ms

font-awesome.css

font-awesome.css

1635 ms

custom-lada-btn.css

custom-lada-btn.css

1705 ms

custom-hover-effects.css

custom-hover-effects.css

1712 ms

line-icons.css

line-icons.css

1706 ms

owl.carousel.css

owl.carousel.css

1796 ms

jquery.fancybox.css

jquery.fancybox.css

1799 ms

cubeportfolio.css

cubeportfolio.css

2244 ms

settings.css

settings.css

2040 ms

isotope.css

isotope.css

1894 ms

layerslider.css

layerslider.css

1957 ms

jquery.dataTables.min.css

jquery.dataTables.min.css

1960 ms

dataTables.bootstrap.css

dataTables.bootstrap.css

2024 ms

custom_dataTables.css

custom_dataTables.css

2076 ms

common.css

common.css

2118 ms

feature_timeline2.css

feature_timeline2.css

2122 ms

blue.css

blue.css

2196 ms

s_retargeting.js

s_retargeting.js

536 ms

dark.css

dark.css

1699 ms

plusone.js

plusone.js

58 ms

conversion.js

conversion.js

36 ms

conversion_async.js

conversion_async.js

532 ms

custom.css

custom.css

1711 ms

papalagi.css

papalagi.css

1727 ms

print.css

print.css

1596 ms

common.js

common.js

1640 ms

jquery.min.js

jquery.min.js

1684 ms

datepicker.js

datepicker.js

1444 ms

jquery-migrate-1.2.1.js

jquery-migrate-1.2.1.js

1413 ms

jquery.lightbox-0.5.1.js

jquery.lightbox-0.5.1.js

1347 ms

script.js

script.js

1292 ms

jquery.cycle.lite.min.js

jquery.cycle.lite.min.js

1391 ms

slimbox2.js

slimbox2.js

1452 ms

bootstrap.min.js

bootstrap.min.js

1428 ms

back-to-top.js

back-to-top.js

1297 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

1142 ms

jquery.cubeportfolio.min.js

jquery.cubeportfolio.min.js

1197 ms

owl.carousel.js

owl.carousel.js

1195 ms

jquery.isotope.min.js

jquery.isotope.min.js

1232 ms

custom-isotope.js

custom-isotope.js

1160 ms

css

css

14 ms

app.css

app.css

1107 ms

ie8.css

ie8.css

1106 ms

blocks.css

blocks.css

1179 ms

animate.css

animate.css

1187 ms

box-shadows.css

box-shadows.css

1134 ms

style-switcher.css

style-switcher.css

1139 ms

header-default.css

header-default.css

1118 ms

header-v1.css

header-v1.css

1099 ms

header-v2.css

header-v2.css

1096 ms

header-v3.css

header-v3.css

1109 ms

header-v4.css

header-v4.css

1066 ms

footer-default.css

footer-default.css

1056 ms

footer-v1.css

footer-v1.css

1080 ms

footer-v2.css

footer-v2.css

1056 ms

footer-v3.css

footer-v3.css

1100 ms

footer-v4.css

footer-v4.css

1044 ms

footer-v5.css

footer-v5.css

1036 ms

footer-v6.css

footer-v6.css

1009 ms

footer-v7.css

footer-v7.css

1080 ms

ladda.min.css

ladda.min.css

1078 ms

hover.css

hover.css

1105 ms

jquery.dataTables.min.js

jquery.dataTables.min.js

1070 ms

dataTables.bootstrap.js

dataTables.bootstrap.js

1015 ms

custom.dataTables.js

custom.dataTables.js

1001 ms

jquery.matchHeight.js

jquery.matchHeight.js

1125 ms

app.js

app.js

1120 ms

fancy-box.js

fancy-box.js

1024 ms

cube-portfolio-10.js

cube-portfolio-10.js

1080 ms

owl-carousel.js

owl-carousel.js

1025 ms

greensock.js

greensock.js

1019 ms

layerslider.transitions.js

layerslider.transitions.js

1097 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

1283 ms

layer-slider.js

layer-slider.js

1022 ms

custom.js

custom.js

1022 ms

smtel.js

smtel.js

1013 ms

analytics.js

analytics.js

34 ms

fbevents.js

fbevents.js

33 ms

logo_site.png

logo_site.png

221 ms

e_iriomote_36_.jpg

e_iriomote_36_.jpg

1829 ms

4_top.jpg

4_top.jpg

1911 ms

1_top4.jpg

1_top4.jpg

1676 ms

c_top_4_.jpg

c_top_4_.jpg

1276 ms

b_top_1_.jpg

b_top_1_.jpg

2123 ms

f__31_.jpg

f__31_.jpg

373 ms

5__160_.jpg

5__160_.jpg

657 ms

f__35_.jpg

f__35_.jpg

492 ms

6_top.jpg

6_top.jpg

655 ms

2_efr_.jpg

2_efr_.jpg

857 ms

2_ipp_5298_-_.jpg

2_ipp_5298_-_.jpg

544 ms

c__14_.jpg

c__14_.jpg

661 ms

7_aka_5_.jpg

7_aka_5_.jpg

862 ms

4__-_.jpg

4__-_.jpg

720 ms

3__18_.jpg

3__18_.jpg

975 ms

8_iriomote_22_.jpg

8_iriomote_22_.jpg

1019 ms

sdk.js

sdk.js

30 ms

bg_wood_02.jpg

bg_wood_02.jpg

801 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

62 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

674 ms

collect

collect

50 ms

121 ms

collect

collect

87 ms

199 ms

xd_arbiter.php

xd_arbiter.php

40 ms

xd_arbiter.php

xd_arbiter.php

55 ms

ga-audiences

ga-audiences

34 ms

33 ms

conversion_async.js

conversion_async.js

1067 ms

20 ms

error.html

error.html

170 ms

skin.css

skin.css

193 ms

blank.gif

blank.gif

184 ms

skin.png

skin.png

192 ms

Accessibility Review

papalagi.co.jp accessibility score

83

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

papalagi.co.jp 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

papalagi.co.jp 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

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 Papalagi.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 Papalagi.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

papalagi.co.jp

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