Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

nasu-ds.jp

【公式】栃木県の合宿免許 那須自動車学校

Page Load Speed

5.3 sec in total

First Response

534 ms

Resources Loaded

4.5 sec

Page Rendered

313 ms

nasu-ds.jp screenshot

About Website

Welcome to nasu-ds.jp homepage info - get ready to check Nasu Ds best content for Japan right away, or after learning these important things about nasu-ds.jp

【公式サイト】大型一種、二種、クレーン、フォークまで合宿免許対応。冬休み期間もスムーズに教習。合宿は最大10000円引き。教習所内のシングルルームあります。食事サービスが大好評です。

Visit nasu-ds.jp

Key Findings

We analyzed Nasu-ds.jp page load time and found that the first response time was 534 ms and then it took 4.8 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

nasu-ds.jp performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

nasu-ds.jp

534 ms

www.nasu-ds.jp

675 ms

format.css

187 ms

jquery-ui.css

314 ms

layout.css

338 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 59% of them (52 requests) were addressed to the original Nasu-ds.jp, 11% (10 requests) were made to Static.xx.fbcdn.net and 8% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Nasu-ds.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.4 kB (25%)

Content Size

760.4 kB

After Optimization

571.0 kB

In fact, the total size of Nasu-ds.jp main page is 760.4 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. 55% of websites need less resources to load. Images take 617.6 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 18.8 kB

  • Original 26.7 kB
  • After minification 26.1 kB
  • After compression 7.9 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 18.8 kB or 70% of the original size.

Image Optimization

-17%

Potential reduce by 103.8 kB

  • Original 617.6 kB
  • After minification 513.9 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. Obviously, Nasu Ds needs image optimization as it can save up to 103.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-49%

Potential reduce by 40.8 kB

  • Original 82.5 kB
  • After minification 82.4 kB
  • After compression 41.7 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 40.8 kB or 49% of the original size.

CSS Optimization

-78%

Potential reduce by 26.0 kB

  • Original 33.5 kB
  • After minification 26.5 kB
  • After compression 7.5 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. Nasu-ds.jp needs all CSS files to be minified and compressed as it can save up to 26.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (38%)

Requests Now

84

After Optimization

52

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nasu Ds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nasu-ds.jp accessibility score

89

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

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

nasu-ds.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

nasu-ds.jp SEO score

93

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

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 Nasu-ds.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 Nasu-ds.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

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