Tools & Wizards About Us
nafsport.com screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

nafsport.com

ナフスポーツ-美しの湯・高井戸スイム・ナフウェルネスクラブ-

Page Load Speed

3.1 sec in total

First Response

596 ms

Resources Loaded

2.4 sec

Page Rendered

157 ms

nafsport.com screenshot

About Website

Click here to check amazing Nafsport content for Japan. Otherwise, check out these important facts you probably never knew about nafsport.com

天然温泉美しの湯、ナフウェルネスクラブ、高井戸スイムクラブの運営。スポーツでリフレッシュ、天然温泉でリラックス。株式会社ナフ・スポーツのホームページです。

Visit nafsport.com

Key Findings

We analyzed Nafsport.com page load time and found that the first response time was 596 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nafsport.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

nafsport.com

596 ms

master.css

569 ms

index.css

377 ms

rollover.js

384 ms

common.css

179 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Nafsport.com, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (863 ms) belongs to the original domain Nafsport.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.3 kB (18%)

Content Size

130.8 kB

After Optimization

107.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nafsport.com main page is 130.8 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. Only 10% of websites need less resources to load. Images take 98.6 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 2.0 kB

  • Original 3.3 kB
  • After minification 3.2 kB
  • After compression 1.3 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. 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 2.0 kB or 60% of the original size.

Image Optimization

-13%

Potential reduce by 12.5 kB

  • Original 98.6 kB
  • After minification 86.2 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. Obviously, Nafsport needs image optimization as it can save up to 12.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 256 B

  • Original 17.6 kB
  • After minification 17.6 kB
  • After compression 17.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-77%

Potential reduce by 8.6 kB

  • Original 11.2 kB
  • After minification 8.5 kB
  • After compression 2.6 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. Nafsport.com needs all CSS files to be minified and compressed as it can save up to 8.6 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nafsport. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nafsport.com

nafsport.com

596 ms

master.css

master.css

569 ms

index.css

index.css

377 ms

rollover.js

rollover.js

384 ms

common.css

common.css

179 ms

contents.css

contents.css

229 ms

navi.css

navi.css

197 ms

header.css

header.css

347 ms

footer.css

footer.css

356 ms

headerBg.png

headerBg.png

187 ms

logo.png

logo.png

199 ms

contentsBgTop.png

contentsBgTop.png

200 ms

nav01.png

nav01.png

360 ms

nav02.png

nav02.png

347 ms

nav03.png

nav03.png

863 ms

footerBg.png

footerBg.png

402 ms

copy.png

copy.png

391 ms

ga.js

ga.js

9 ms

__utm.gif

__utm.gif

14 ms

Accessibility Review

nafsport.com accessibility score

100

Accessibility Issues

Best Practices

nafsport.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

SEO Factors

nafsport.com SEO score

75

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nafsport.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 Nafsport.com main page’s claimed encoding is shift_jis. 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

nafsport.com

Open Graph description is not detected on the main page of Nafsport. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: