Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

tag.co.jp

エックスサーバー サーバー初期ページ

Page Load Speed

6.5 sec in total

First Response

512 ms

Resources Loaded

5.5 sec

Page Rendered

514 ms

tag.co.jp screenshot

About Website

Click here to check amazing Tag content for Japan. Otherwise, check out these important facts you probably never knew about tag.co.jp

声優・漫画・アニメ業界でプロを目指す方専門の学校「東京アニメーター学院」東アニの特色と学科・入学 案内。体験入学の日程・お申し込み、入学案内書(無料)の資料請求などのご案内。

Visit tag.co.jp

Key Findings

We analyzed Tag.co.jp page load time and found that the first response time was 512 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

tag.co.jp performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value18.6 s

0/100

10%

TBT (Total Blocking Time)

Value900 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

Network Requests Diagram

tag.co.jp

512 ms

www.tag.co.jp

671 ms

DD_belatedPNG.js

337 ms

common.css

677 ms

column-2.css

354 ms

Our browser made a total of 136 requests to load all elements on the main page. We found that 57% of them (77 requests) were addressed to the original Tag.co.jp, 15% (20 requests) were made to Static.xx.fbcdn.net and 5% (7 requests) were made to Calendar.google.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Tag.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 292.5 kB (23%)

Content Size

1.3 MB

After Optimization

972.7 kB

In fact, the total size of Tag.co.jp main page is 1.3 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. 45% of websites need less resources to load. Images take 849.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 23.5 kB

  • Original 31.6 kB
  • After minification 27.6 kB
  • After compression 8.1 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 4.0 kB, which is 13% 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 23.5 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 26.5 kB

  • Original 849.3 kB
  • After minification 822.8 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. Tag images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 170.7 kB

  • Original 298.5 kB
  • After minification 284.4 kB
  • After compression 127.8 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 170.7 kB or 57% of the original size.

CSS Optimization

-84%

Potential reduce by 71.8 kB

  • Original 85.8 kB
  • After minification 70.5 kB
  • After compression 13.9 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. Tag.co.jp needs all CSS files to be minified and compressed as it can save up to 71.8 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (46%)

Requests Now

131

After Optimization

71

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tag. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

tag.co.jp accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

tag.co.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

tag.co.jp SEO score

98

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tag.co.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 Tag.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 Tag. 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: