Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

itandi.co.jp

イタンジ株式会社

Page Load Speed

3.5 sec in total

First Response

503 ms

Resources Loaded

2.3 sec

Page Rendered

629 ms

itandi.co.jp screenshot

About Website

Visit itandi.co.jp now to see the best up-to-date Itandi content for Japan and also check out these interesting facts you probably never knew about itandi.co.jp

ITANDI[イタンジ]は、不動産賃貸取引をなめらかにするサービスの開発・運営を行うIT企業です。

Visit itandi.co.jp

Key Findings

We analyzed Itandi.co.jp page load time and found that the first response time was 503 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

itandi.co.jp performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

itandi.co.jp

503 ms

style.css

312 ms

base.css

321 ms

animate.css

328 ms

styles.css

332 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 71% of them (29 requests) were addressed to the original Itandi.co.jp, 12% (5 requests) were made to Maps.google.com and 5% (2 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (996 ms) belongs to the original domain Itandi.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 406.1 kB (57%)

Content Size

710.2 kB

After Optimization

304.1 kB

In fact, the total size of Itandi.co.jp main page is 710.2 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. 50% of websites need less resources to load. Javascripts take 452.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 34.7 kB

  • Original 44.3 kB
  • After minification 37.2 kB
  • After compression 9.6 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 7.1 kB, which is 16% 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 34.7 kB or 78% of the original size.

Image Optimization

-27%

Potential reduce by 28.9 kB

  • Original 107.8 kB
  • After minification 79.0 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, Itandi needs image optimization as it can save up to 28.9 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 247.3 kB

  • Original 452.8 kB
  • After minification 443.4 kB
  • After compression 205.5 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 247.3 kB or 55% of the original size.

CSS Optimization

-90%

Potential reduce by 95.2 kB

  • Original 105.3 kB
  • After minification 86.7 kB
  • After compression 10.1 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. Itandi.co.jp needs all CSS files to be minified and compressed as it can save up to 95.2 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itandi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

itandi.co.jp accessibility score

87

Accessibility Issues

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

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

High

Links do not have a discernible name

Best Practices

itandi.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

itandi.co.jp SEO score

77

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

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 Itandi.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 Itandi.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 data is detected on the main page of Itandi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: