Tools & Wizards About Us
wavehunter.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

wavehunter.jp

波伝説 サーフィン波情報

Page Load Speed

5.2 sec in total

First Response

365 ms

Resources Loaded

4.8 sec

Page Rendered

54 ms

wavehunter.jp screenshot

About Website

Visit wavehunter.jp now to see the best up-to-date Wavehunter content for Japan and also check out these interesting facts you probably never knew about wavehunter.jp

サーフィンに欠かせない波情報サイト「波伝説」 サーファーのための波情報・概況と独自開発の波浪予測システム『Wave Hunter』による風・波の予報を提供。動画波情報は、業界最多。サーフィン大会レポート、DVD、その他サーフィンに関する様々な情報も配信

Visit wavehunter.jp

Key Findings

We analyzed Wavehunter.jp page load time and found that the first response time was 365 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

wavehunter.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.5 s

0/100

25%

SI (Speed Index)

Value17.6 s

0/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.396

25/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

wavehunter.jp

365 ms

www.namidensetsu.com

342 ms

www.namidensetsu.com

853 ms

colorbox.css

336 ms

default.css

1954 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Wavehunter.jp, 67% (26 requests) were made to Namidensetsu.com and 10% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.9 sec) relates to the external source Namidensetsu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 673.7 kB (76%)

Content Size

890.0 kB

After Optimization

216.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wavehunter.jp main page is 890.0 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. 45% of websites need less resources to load. Javascripts take 590.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 24.8 kB

  • Original 31.1 kB
  • After minification 24.8 kB
  • After compression 6.3 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 6.3 kB, which is 20% 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 24.8 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 2.1 kB

  • Original 30.4 kB
  • After minification 28.3 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. Wavehunter images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 447.6 kB

  • Original 590.4 kB
  • After minification 510.4 kB
  • After compression 142.8 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 447.6 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 199.2 kB

  • Original 238.1 kB
  • After minification 234.1 kB
  • After compression 38.9 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. Wavehunter.jp needs all CSS files to be minified and compressed as it can save up to 199.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (81%)

Requests Now

36

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wavehunter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wavehunter.jp

wavehunter.jp

365 ms

www.namidensetsu.com

www.namidensetsu.com

342 ms

www.namidensetsu.com

www.namidensetsu.com

853 ms

colorbox.css

colorbox.css

336 ms

default.css

default.css

1954 ms

modaal.css

modaal.css

844 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1222 ms

jquery.cookie.js

jquery.cookie.js

1130 ms

js

js

66 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

718 ms

modaal.min.js

modaal.min.js

845 ms

smartphone.css

smartphone.css

1389 ms

lib.js

lib.js

1350 ms

api.js

api.js

2870 ms

common_setting.js

common_setting.js

1466 ms

common.js

common.js

2231 ms

index.js

index.js

2199 ms

conversion.js

conversion.js

81 ms

s_retargeting.js

s_retargeting.js

868 ms

gtm.js

gtm.js

126 ms

gtm.js

gtm.js

126 ms

destination

destination

34 ms

fbds.js

fbds.js

40 ms

fbevents.js

fbevents.js

42 ms

icon_white_user.png

icon_white_user.png

172 ms

nav_wavehunter.png

nav_wavehunter.png

172 ms

bn_footer_01.jpg

bn_footer_01.jpg

340 ms

logo_bl.png

logo_bl.png

337 ms

foot_sns_facebook.png

foot_sns_facebook.png

172 ms

foot_sns_twitter.png

foot_sns_twitter.png

172 ms

foot_sns_instagram.png

foot_sns_instagram.png

341 ms

icon_blue_user.png

icon_blue_user.png

342 ms

icon_blue_point.png

icon_blue_point.png

340 ms

icon_blue_vote.png

icon_blue_vote.png

342 ms

analytics.js

analytics.js

20 ms

85 ms

tag.js

tag.js

77 ms

33 ms

tablet.css

tablet.css

171 ms

Accessibility Review

wavehunter.jp accessibility score

53

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.

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

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

wavehunter.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

wavehunter.jp SEO score

92

Search Engine Optimization Advices

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

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 Wavehunter.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 Wavehunter.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

wavehunter.jp

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