Tools & Wizards About Us
so-i.co.jp screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

so-i.co.jp

分譲賃貸、高級賃貸マンションなら賃貸Data Bank

Page Load Speed

14.8 sec in total

First Response

573 ms

Resources Loaded

13.4 sec

Page Rendered

792 ms

so-i.co.jp screenshot

About Website

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

東京・神奈川の高級賃貸物件を中心に、分譲賃貸、タワーマンション、お洒落なデザイナーズマンションまで、厳選した物件を掲載！高級賃貸、分譲賃貸マンションを集めた専用情報サイト賃貸Data Bank。写真も豊富に掲載中！

Visit so-i.co.jp

Key Findings

We analyzed So-i.co.jp page load time and found that the first response time was 573 ms and then it took 14.2 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

so-i.co.jp performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

so-i.co.jp

573 ms

www.so-i.co.jp

976 ms

theme201507.css

904 ms

slider.css

370 ms

jquery.js

741 ms

Our browser made a total of 149 requests to load all elements on the main page. We found that 97% of them (144 requests) were addressed to the original So-i.co.jp, 1% (2 requests) were made to Smarticon.geotrust.com and 1% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain So-i.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 380.9 kB (18%)

Content Size

2.1 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of So-i.co.jp main page is 2.1 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 59.7 kB

  • Original 74.7 kB
  • After minification 74.4 kB
  • After compression 15.1 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. 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 59.7 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 154.1 kB

  • Original 1.7 MB
  • After minification 1.6 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. So I images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 80.5 kB

  • Original 160.0 kB
  • After minification 148.1 kB
  • After compression 79.6 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 80.5 kB or 50% of the original size.

CSS Optimization

-86%

Potential reduce by 86.6 kB

  • Original 101.2 kB
  • After minification 93.5 kB
  • After compression 14.6 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. So-i.co.jp needs all CSS files to be minified and compressed as it can save up to 86.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (11%)

Requests Now

147

After Optimization

131

  • Images
  • JavaScript
  • CSS

The browser has sent 147 CSS, Javascripts, AJAX and image requests in order to completely render the main page of So I. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

so-i.co.jp

so-i.co.jp

573 ms

www.so-i.co.jp

www.so-i.co.jp

976 ms

theme201507.css

theme201507.css

904 ms

slider.css

slider.css

370 ms

jquery.js

jquery.js

741 ms

yuga.js

yuga.js

376 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

382 ms

jquery.min.js

jquery.min.js

69 ms

flexslider.js

flexslider.js

937 ms

rollover.js

rollover.js

739 ms

si.js

si.js

71 ms

haik.jpg

haik.jpg

850 ms

map0.png

map0.png

838 ms

map1.png

map1.png

839 ms

map2.png

map2.png

841 ms

map3.png

map3.png

842 ms

map4.png

map4.png

843 ms

map5.png

map5.png

1088 ms

map6.png

map6.png

1230 ms

map7.png

map7.png

1486 ms

map8.png

map8.png

1460 ms

map9.png

map9.png

1521 ms

map10.png

map10.png

1501 ms

map11.png

map11.png

1844 ms

map12.png

map12.png

1958 ms

map13.png

map13.png

2140 ms

map14.png

map14.png

2255 ms

map15.png

map15.png

2206 ms

map16.png

map16.png

2248 ms

map17.png

map17.png

2575 ms

map18.png

map18.png

2703 ms

map19.png

map19.png

2823 ms

map20.png

map20.png

2928 ms

map21.png

map21.png

2968 ms

map22.png

map22.png

3009 ms

map23.png

map23.png

3380 ms

map24.png

map24.png

3467 ms

haik1.gif

haik1.gif

3163 ms

sub2_img725.png

sub2_img725.png

3293 ms

m725.png

m725.png

4760 ms

b-ti-01.gif

b-ti-01.gif

3391 ms

b-tx-top.gif

b-tx-top.gif

3554 ms

b-ti-02.gif

b-ti-02.gif

3695 ms

b-btn-01.gif

b-btn-01.gif

3897 ms

b-ti-03.gif

b-ti-03.gif

3753 ms

b-bg-113.gif

b-bg-113.gif

3894 ms

smarticon

smarticon

789 ms

b-btn-02.gif

b-btn-02.gif

3872 ms

dc.js

dc.js

785 ms

b-bot-01.gif

b-bot-01.gif

3259 ms

b-ban-01.gif

b-ban-01.gif

3298 ms

condominium.gif

condominium.gif

3579 ms

tower.gif

tower.gif

3641 ms

designers.gif

designers.gif

3675 ms

__utm.gif

__utm.gif

12 ms

newresidence.gif

newresidence.gif

3724 ms

pet.gif

pet.gif

3559 ms

pool.gif

pool.gif

3705 ms

gym.gif

gym.gif

3526 ms

concierge.gif

concierge.gif

3639 ms

hallway.gif

hallway.gif

3641 ms

kagu.gif

kagu.gif

3673 ms

osusume.gif

osusume.gif

3280 ms

cot_ha.png

cot_ha.png

3345 ms

aadmyrwgqeez.jpg

aadmyrwgqeez.jpg

3217 ms

c-ti-03.gif

c-ti-03.gif

3277 ms

c-ti-04.gif

c-ti-04.gif

3255 ms

67708796f02.jpg

67708796f02.jpg

3273 ms

sfmuwxyxfrrf.jpg

sfmuwxyxfrrf.jpg

2997 ms

nuprnfenbpkv.jpg

nuprnfenbpkv.jpg

2967 ms

tkfqwvnpuuad.jpg

tkfqwvnpuuad.jpg

2880 ms

02s(2).jpg

02s(2).jpg

2915 ms

bunjyochintai.gif

bunjyochintai.gif

2890 ms

wpwbzguehfqp.jpg

wpwbzguehfqp.jpg

2890 ms

ywhbkdefsgdq.jpg

ywhbkdefsgdq.jpg

2784 ms

bubdaaayerha.jpg

bubdaaayerha.jpg

2754 ms

pkvrttykcayn.jpg

pkvrttykcayn.jpg

2679 ms

67706866S01.jpg

67706866S01.jpg

2825 ms

vuptesymmkkv.jpg

vuptesymmkkv.jpg

2755 ms

c-ti-01.gif

c-ti-01.gif

2725 ms

contents.jpg

contents.jpg

2599 ms

67706869F04.jpg

67706869F04.jpg

2652 ms

67707470F05.jpg

67707470F05.jpg

2584 ms

nwrdpxgdzeva.jpg

nwrdpxgdzeva.jpg

2690 ms

c-ti-02.gif

c-ti-02.gif

2683 ms

kwvyuxgsdqet.jpg

kwvyuxgsdqet.jpg

2525 ms

utnechevhwcf.jpg

utnechevhwcf.jpg

2524 ms

sskyy.jpg

sskyy.jpg

2345 ms

b-ti-05.gif

b-ti-05.gif

2387 ms

1.gif

1.gif

2589 ms

2.gif

2.gif

2577 ms

3.gif

3.gif

2553 ms

4.gif

4.gif

2642 ms

5.gif

5.gif

2410 ms

6.gif

6.gif

2464 ms

7.gif

7.gif

2533 ms

8.jpg

8.jpg

2601 ms

9.gif

9.gif

2571 ms

10.gif

10.gif

2832 ms

11.gif

11.gif

2615 ms

info_t.png

info_t.png

2488 ms

b-tx-08.png

b-tx-08.png

2543 ms

b-tx-09.png

b-tx-09.png

2574 ms

b-tx-10.png

b-tx-10.png

2542 ms

b-tx-01.png

b-tx-01.png

2622 ms

b-tx-02.png

b-tx-02.png

2641 ms

b-tx-14.png

b-tx-14.png

2681 ms

b-tx-03.png

b-tx-03.png

2581 ms

b-tx-04.png

b-tx-04.png

2571 ms

c-ti-059.gif

c-ti-059.gif

2804 ms

kokyuchintai.png

kokyuchintai.png

2609 ms

residia.gif

residia.gif

2629 ms

apartments.gif

apartments.gif

2687 ms

parkaxis.gif

parkaxis.gif

2566 ms

parkhabio.gif

parkhabio.gif

2591 ms

latour.gif

latour.gif

2617 ms

castalia.gif

castalia.gif

2764 ms

comforia.gif

comforia.gif

2696 ms

royalparks.gif

royalparks.gif

2656 ms

haik_f.png

haik_f.png

2540 ms

b-btn-02-on.gif

b-btn-02-on.gif

2580 ms

b-ban-01-on.gif

b-ban-01-on.gif

2665 ms

condominium-on.gif

condominium-on.gif

2911 ms

tower-on.gif

tower-on.gif

2884 ms

designers-on.gif

designers-on.gif

2806 ms

newresidence-on.gif

newresidence-on.gif

2573 ms

pet-on.gif

pet-on.gif

2548 ms

pool-on.gif

pool-on.gif

2658 ms

gym-on.gif

gym-on.gif

2776 ms

concierge-on.gif

concierge-on.gif

2810 ms

hallway-on.gif

hallway-on.gif

2758 ms

kagu-on.gif

kagu-on.gif

2551 ms

b-tx-08-on.png

b-tx-08-on.png

2370 ms

b-tx-09-on.png

b-tx-09-on.png

2505 ms

b-tx-10-on.png

b-tx-10-on.png

2583 ms

b-tx-01-on.png

b-tx-01-on.png

2561 ms

b-tx-02-on.png

b-tx-02-on.png

2532 ms

b-tx-14-on.png

b-tx-14-on.png

2533 ms

b-tx-03-on.png

b-tx-03-on.png

2503 ms

b-tx-04-on.png

b-tx-04-on.png

2539 ms

c-ti-059-on.gif

c-ti-059-on.gif

2790 ms

residia-on.gif

residia-on.gif

2563 ms

apartments-on.gif

apartments-on.gif

2513 ms

parkaxis-on.gif

parkaxis-on.gif

2498 ms

parkhabio-on.gif

parkhabio-on.gif

2523 ms

latour-on.gif

latour-on.gif

2433 ms

castalia-on.gif

castalia-on.gif

2581 ms

comforia-on.gif

comforia-on.gif

2578 ms

royalparks-on.gif

royalparks-on.gif

2518 ms

Accessibility Review

so-i.co.jp accessibility score

86

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

Form elements do not have associated labels

Best Practices

so-i.co.jp best practices score

50

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

so-i.co.jp SEO score

64

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

High

robots.txt is not valid

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 So-i.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 So-i.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

so-i.co.jp

Open Graph description is not detected on the main page of So I. 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: