Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

ad-n.co.jp

株式会社アド・エヌ - トップページ

Page Load Speed

5.1 sec in total

First Response

718 ms

Resources Loaded

4.2 sec

Page Rendered

142 ms

ad-n.co.jp screenshot

About Website

Visit ad-n.co.jp now to see the best up-to-date Ad N content and also check out these interesting facts you probably never knew about ad-n.co.jp

総合広告代理店 アド・エヌは創造性と独自性、ダイナミックな戦略と緻密な情報整理で、従来の枠にとらわれないアイディアがあふれています。WebサイトやYouTubeチャンネルの立ち上げ・運営、アプリやダーツ製品の企画開発・製造・卸。イベント企画などならアド・エヌにお任せください 。

Visit ad-n.co.jp

Key Findings

We analyzed Ad-n.co.jp page load time and found that the first response time was 718 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ad-n.co.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value16.1 s

0/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value22.4 s

1/100

10%

Network Requests Diagram

ad-n.co.jp

718 ms

style.css

899 ms

top.css

572 ms

top_flash.css

566 ms

script.js

572 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that all of those requests were addressed to Ad-n.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Ad-n.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.2 kB (60%)

Content Size

105.0 kB

After Optimization

41.7 kB

In fact, the total size of Ad-n.co.jp main page is 105.0 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 5% of websites need less resources to load. Javascripts take 61.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.5 kB

  • Original 12.7 kB
  • After minification 11.6 kB
  • After compression 3.2 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 9.5 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 697 B

  • Original 18.0 kB
  • After minification 17.3 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. Ad N images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 43.0 kB

  • Original 61.6 kB
  • After minification 60.4 kB
  • After compression 18.6 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 43.0 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 10.1 kB

  • Original 12.7 kB
  • After minification 9.9 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. Ad-n.co.jp needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (24%)

Requests Now

34

After Optimization

26

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ad N. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ad-n.co.jp accessibility score

83

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

ad-n.co.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ad-n.co.jp SEO score

89

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

Links do not have descriptive text

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ad-n.co.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 Ad-n.co.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 Ad N. 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: