Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 99

    SEO

    Google-friendlier than
    94% of websites

techplay.jp

TECH PLAY[テックプレイ] - IT勉強会・イベントなどの情報検索サービス

Page Load Speed

6.7 sec in total

First Response

11 ms

Resources Loaded

5.5 sec

Page Rendered

1.2 sec

techplay.jp screenshot

About Website

Welcome to techplay.jp homepage info - get ready to check TECH PLAY best content for Japan right away, or after learning these important things about techplay.jp

IT勉強会・イベントを探すなら TECH PLAY[テックプレイ]。点在している技術勉強会、イベント情報をまとめて掲載しています。技術用語検索、地域検索、開催日時検索から興味のある勉強会をカンタンに探せるサービスです。

Visit techplay.jp

Key Findings

We analyzed Techplay.jp page load time and found that the first response time was 11 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

techplay.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,190 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

techplay.jp

11 ms

techplay.jp

895 ms

gtm.js

189 ms

css

63 ms

frontend.css

66 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Techplay.jp, 59% (51 requests) were made to S3.techplay.jp and 11% (10 requests) were made to Files.techplay.jp. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source S3.techplay.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.8 kB (3%)

Content Size

3.9 MB

After Optimization

3.8 MB

In fact, the total size of Techplay.jp main page is 3.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 108.9 kB

  • Original 130.3 kB
  • After minification 98.5 kB
  • After compression 21.4 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 31.8 kB, which is 24% 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 108.9 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 16.4 kB

  • Original 3.7 MB
  • After minification 3.7 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. TECH PLAY images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 522 B

  • Original 23.4 kB
  • After minification 23.4 kB
  • After compression 22.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 100.2 kB
  • After minification 100.2 kB
  • After compression 100.2 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. Techplay.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (21%)

Requests Now

82

After Optimization

65

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TECH PLAY. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

techplay.jp accessibility score

82

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

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

techplay.jp best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

techplay.jp SEO score

99

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Techplay.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 Techplay.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 data is detected on the main page of TECH PLAY. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: