Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

iritec.jp

SHINGO IRIE|入江慎吾のホームページ

Page Load Speed

13 sec in total

First Response

483 ms

Resources Loaded

12 sec

Page Rendered

580 ms

iritec.jp screenshot

About Website

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

教える、学べるオンラインメンターサービスMENTの代表。2-30個のサービスをつくり、M&Aで億単位の売却。受託開発20年→受託をやめサービス開発に専念→個人開発でつくったMENTAがヒット→ランサーズグループにジョイン。

Visit iritec.jp

Key Findings

We analyzed Iritec.jp page load time and found that the first response time was 483 ms and then it took 12.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

iritec.jp performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

16/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.057

98/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

iritec.jp

483 ms

iritec.jp

849 ms

normalize.css

517 ms

commonTools.css

521 ms

style.css

703 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 49% of them (48 requests) were addressed to the original Iritec.jp, 5% (5 requests) were made to Pagead2.googlesyndication.com and 4% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (6.1 sec) belongs to the original domain Iritec.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 415.8 kB (8%)

Content Size

5.1 MB

After Optimization

4.7 MB

In fact, the total size of Iritec.jp main page is 5.1 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. 50% of websites need less resources to load. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 30.8 kB

  • Original 42.1 kB
  • After minification 39.9 kB
  • After compression 11.3 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. 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 30.8 kB or 73% of the original size.

Image Optimization

-2%

Potential reduce by 106.9 kB

  • Original 4.6 MB
  • After minification 4.5 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. Iritec images are well optimized though.

JavaScript Optimization

-48%

Potential reduce by 185.0 kB

  • Original 383.7 kB
  • After minification 367.0 kB
  • After compression 198.7 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 185.0 kB or 48% of the original size.

CSS Optimization

-87%

Potential reduce by 93.1 kB

  • Original 107.6 kB
  • After minification 81.3 kB
  • After compression 14.5 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. Iritec.jp needs all CSS files to be minified and compressed as it can save up to 93.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 62 (67%)

Requests Now

92

After Optimization

30

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iritec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

iritec.jp accessibility score

91

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

Image elements do not have [alt] attributes

Best Practices

iritec.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

iritec.jp SEO score

86

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

Image elements do not have [alt] attributes

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 doesn't use 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 Iritec.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 Iritec.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 Iritec. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: