Access nasukogen.org. 那須町観光ガイド｜一般社団法人那須町観光協会オフィシャルサイト

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

nasukogen.org

570 ms

nasukogen.org

736 ms

www.nasukogen.org

1150 ms

gtm.js

64 ms

normalize.css

407 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 92% of them (113 requests) were addressed to the original Nasukogen.org, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Nasukogen.org.

Content Size

6.3 MB

After Optimization

6.0 MB

In fact, the total size of Nasukogen.org main page is 6.3 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. 55% of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 45.0 kB

Original 55.3 kB
After minification 42.5 kB
After compression 10.3 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 12.8 kB, which is 23% 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 45.0 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 106.9 kB

Original 6.0 MB
After minification 5.9 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. Nasukogen images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 132.7 kB

Original 213.4 kB
After minification 177.5 kB
After compression 80.7 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 132.7 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 46.0 kB

Original 54.8 kB
After minification 36.7 kB
After compression 8.7 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. Nasukogen.org needs all CSS files to be minified and compressed as it can save up to 46.0 kB or 84% of the original size.

Requests Now

120

After Optimization

101

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nasukogen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document doesn't use 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 Nasukogen.org 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 Nasukogen.org 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

nasukogen.org

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

Report Summary

Performance

Accessibility

Best Practices

SEO

那須町観光ガイド｜一般社団法人 那須町観光協会 オフィシャルサイト

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

nasukogen.org

nasukogen.org

www.nasukogen.org

gtm.js

normalize.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

nasukogen.org

nasukogen.org

www.nasukogen.org

gtm.js

normalize.css

common.css

colorbox_top.css

style.css

font_size_m.css

element.js

sdk.js

jquery.js

jquery.cookie.js

jquery.backstretch.js

jquery.bxslider.js

jquery.colorbox-min.js

top.js

liheight3.js

script.js

instagram.js

bg_item_01.jpg

header_logo.png

header_text_01.png

header_search_btn.gif

header_text_02.png

header_font_size_01.gif

header_font_size_02_on.gif

header_font_size_03.gif

icon_instagram.png

icon_twitter.png

icon_facebook.png

navi_01.png

navi_02.png

navi_03.png

navi_04.png

navi_05.png

navi_07.png

navi_08.png

navi_09.png

side_navi_img_01.png

side_navi_img_02.png

00144_1.jpg

00139_1.jpg

那須町観光ガイド｜一般社団法人那須町観光協会オフィシャルサイト