Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

killersurfjapan.com

サーフボード、ウェットスーツのオーダー通販「キラーサーフ」

Page Load Speed

6.9 sec in total

First Response

579 ms

Resources Loaded

5.5 sec

Page Rendered

837 ms

killersurfjapan.com screenshot

About Website

Welcome to killersurfjapan.com homepage info - get ready to check Killersurfjapan best content for Japan right away, or after learning these important things about killersurfjapan.com

川畑邦宏プロが運営する湘南茅ヶ崎のサーフショップ「キラーサーフ」。人気ブランドのジャスティス サーフボード・チリを中心に、オーダーサーフィンボード、ウェットスーツをプロ目線で丁寧にご提案します。

Visit killersurfjapan.com

Key Findings

We analyzed Killersurfjapan.com page load time and found that the first response time was 579 ms and then it took 6.3 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

killersurfjapan.com performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value35.5 s

0/100

25%

SI (Speed Index)

Value23.8 s

0/100

10%

TBT (Total Blocking Time)

Value3,280 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value1.005

2/100

15%

TTI (Time to Interactive)

Value33.6 s

0/100

10%

Network Requests Diagram

killersurfjapan.com

579 ms

cross-border-cart.css

335 ms

index.css

664 ms

jquery.min.js

25 ms

css

23 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 4% of them (4 requests) were addressed to the original Killersurfjapan.com, 71% (65 requests) were made to Killersurf.main.jp and 5% (5 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (3.2 sec) relates to the external source Killersurf.main.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 427.9 kB (4%)

Content Size

10.6 MB

After Optimization

10.1 MB

In fact, the total size of Killersurfjapan.com main page is 10.6 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. 50% of websites need less resources to load. Images take 10.3 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 20.3 kB

  • Original 27.4 kB
  • After minification 26.1 kB
  • After compression 7.2 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. 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 20.3 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 246.9 kB

  • Original 10.3 MB
  • After minification 10.0 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. Killersurfjapan images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 125.3 kB

  • Original 208.3 kB
  • After minification 181.1 kB
  • After compression 83.0 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 125.3 kB or 60% of the original size.

CSS Optimization

-81%

Potential reduce by 35.4 kB

  • Original 43.7 kB
  • After minification 33.7 kB
  • After compression 8.3 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. Killersurfjapan.com needs all CSS files to be minified and compressed as it can save up to 35.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (26%)

Requests Now

90

After Optimization

67

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Killersurfjapan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

killersurfjapan.com accessibility score

87

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

killersurfjapan.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

killersurfjapan.com SEO score

84

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

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Killersurfjapan.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 Killersurfjapan.com main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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