Tools & Wizards About Us
nasan.jp screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

nasan.jp

ウッドデッキやデッキ材はベランダ人工木樹脂のデッキオ

Page Load Speed

5.2 sec in total

First Response

592 ms

Resources Loaded

4 sec

Page Rendered

574 ms

nasan.jp screenshot

About Website

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

ウッドデッキやデッキ材の中でマンションや戸建や老人ホーム等のベランダやバルコニーに最適なデッキオは腐食や変色に強い樹脂人工木パネル製ウッドデッキ材で高さ調整ができDIYも簡単な高耐候で且つ低価格なウッドデッキ材メーカーです。

Visit nasan.jp

Key Findings

We analyzed Nasan.jp page load time and found that the first response time was 592 ms and then it took 4.6 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

nasan.jp performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

nasan.jp

592 ms

table.css

181 ms

common.css

339 ms

hpb-carousel.css

361 ms

hpb-carousel1.css

411 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 83% of them (53 requests) were addressed to the original Nasan.jp, 5% (3 requests) were made to S.ytimg.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Nasan.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 506.9 kB (42%)

Content Size

1.2 MB

After Optimization

703.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nasan.jp main page is 1.2 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 542.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 13.2 kB

  • Original 18.9 kB
  • After minification 18.5 kB
  • After compression 5.7 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 13.2 kB or 70% of the original size.

Image Optimization

-3%

Potential reduce by 15.9 kB

  • Original 542.8 kB
  • After minification 526.9 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. Nasan images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 267.0 kB

  • Original 394.4 kB
  • After minification 371.3 kB
  • After compression 127.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 267.0 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 210.7 kB

  • Original 254.4 kB
  • After minification 252.5 kB
  • After compression 43.6 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. Nasan.jp needs all CSS files to be minified and compressed as it can save up to 210.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (20%)

Requests Now

61

After Optimization

49

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nasan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nasan.jp

nasan.jp

592 ms

table.css

table.css

181 ms

common.css

common.css

339 ms

hpb-carousel.css

hpb-carousel.css

361 ms

hpb-carousel1.css

hpb-carousel1.css

411 ms

jquery.min.js

jquery.min.js

1011 ms

jquery.bxslider.js

jquery.bxslider.js

834 ms

08bg01.gif

08bg01.gif

183 ms

decchio1111.jpg

decchio1111.jpg

529 ms

decchio-150a.jpg

decchio-150a.jpg

528 ms

decchio-90a11.jpg

decchio-90a11.jpg

526 ms

decchio-T1.jpg

decchio-T1.jpg

205 ms

decchio-ub.jpg

decchio-ub.jpg

357 ms

decchio-eza.jpg

decchio-eza.jpg

722 ms

decchio2-howtoorder211.gif

decchio2-howtoorder211.gif

524 ms

decchio3-products12111.gif

decchio3-products12111.gif

528 ms

decchio-sekou111.gif

decchio-sekou111.gif

675 ms

decchio5-treders21.gif

decchio5-treders21.gif

674 ms

decchio6-company211.gif

decchio6-company211.gif

676 ms

decchio7-mail31.gif

decchio7-mail31.gif

677 ms

a_btn112.gif

a_btn112.gif

690 ms

menu-901.gif

menu-901.gif

812 ms

menu-ez.jpg

menu-ez.jpg

813 ms

menu-t.jpg

menu-t.jpg

843 ms

menu-150.jpg

menu-150.jpg

852 ms

menu-ub.jpg

menu-ub.jpg

856 ms

menu-40off111.gif

menu-40off111.gif

898 ms

menu-order.jpg

menu-order.jpg

1013 ms

Top-sample11.gif

Top-sample11.gif

1013 ms

%E6%A5%BD%E5%A4%A9%E3%82%AB%E3%83%BC%E3%83%89%E3%83%AD%E3%82%B4%201.gif

%E6%A5%BD%E5%A4%A9%E3%82%AB%E3%83%BC%E3%83%89%E3%83%AD%E3%82%B4%201.gif

1053 ms

Diners11.gif

Diners11.gif

1060 ms

JCB1.gif

JCB1.gif

1027 ms

Amex11.gif

Amex11.gif

1079 ms

VISAMaster111.gif

VISAMaster111.gif

1214 ms

menu-901311.gif

menu-901311.gif

1216 ms

Top-l111111111111111.jpg

Top-l111111111111111.jpg

1369 ms

03-046%20c111111.gif

03-046%20c111111.gif

1268 ms

hikaku001111.gif

hikaku001111.gif

1276 ms

top-image11111111.jpg

top-image11111111.jpg

1264 ms

Top-pic2211.jpg

Top-pic2211.jpg

1426 ms

Top-pic1.gif

Top-pic1.gif

1427 ms

Top-flat.jpg

Top-flat.jpg

1452 ms

1GdB9DIqdRk

1GdB9DIqdRk

128 ms

tag.js

tag.js

46 ms

Top-ez.jpg

Top-ez.jpg

1382 ms

tag

tag

20 ms

btn144.gif

btn144.gif

1334 ms

a_blt005.gif

a_blt005.gif

1355 ms

www-embed-player-vfl-z2BtK.css

www-embed-player-vfl-z2BtK.css

52 ms

www-embed-player.js

www-embed-player.js

78 ms

base.js

base.js

136 ms

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js

68 ms

ad_status.js

ad_status.js

57 ms

btn053.gif

btn053.gif

1124 ms

menu-bw.jpg

menu-bw.jpg

1116 ms

bx_loader.gif

bx_loader.gif

1113 ms

decchio-150a.jpg

decchio-150a.jpg

1191 ms

decchio-90a11.jpg

decchio-90a11.jpg

1408 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

141 ms

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf

142 ms

decchio-T1.jpg

decchio-T1.jpg

1436 ms

decchio-ub.jpg

decchio-ub.jpg

1174 ms

decchio-eza.jpg

decchio-eza.jpg

1329 ms

ya.js

ya.js

377 ms

Accessibility Review

nasan.jp accessibility score

65

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

nasan.jp best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nasan.jp SEO score

71

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

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 Nasan.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 Nasan.jp 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

nasan.jp

Open Graph description is not detected on the main page of Nasan. 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: