Tools & Wizards About Us
k-kojima.co.jp screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

k-kojima.co.jp

東京の木で建てる家、多摩の木による木造注文住宅・注文建築の小嶋工務店。ソーラーサーキットの家についてもお任せください！

Page Load Speed

18.6 sec in total

First Response

985 ms

Resources Loaded

17.2 sec

Page Rendered

456 ms

k-kojima.co.jp screenshot

About Website

Welcome to k-kojima.co.jp homepage info - get ready to check K Kojima best content right away, or after learning these important things about k-kojima.co.jp

東京の木で、住まいの建て替え・注文住宅なら小金井市の小嶋工務店にお任せ下さい。（外張り断熱）外断熱・二重通気工法のソーラーサーキットシステムで「耐久性」「耐震性」「住み心地」に優れた家をつくります。また、自然素材を積極的に取り入れた健康住宅にもこだわっています。免震システム導入致しました。

Visit k-kojima.co.jp

Key Findings

We analyzed K-kojima.co.jp page load time and found that the first response time was 985 ms and then it took 17.7 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

k-kojima.co.jp performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value23.8 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value3,640 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.14

78/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

Network Requests Diagram

k-kojima.co.jp

985 ms

index.css

528 ms

colorbox.css

355 ms

jquery.js

1410 ms

jquery.slideScroll.js

357 ms

Our browser made a total of 157 requests to load all elements on the main page. We found that 71% of them (112 requests) were addressed to the original K-kojima.co.jp, 13% (20 requests) were made to Static.xx.fbcdn.net and 9% (14 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (13.7 sec) belongs to the original domain K-kojima.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 239.3 kB (8%)

Content Size

2.9 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of K-kojima.co.jp main page is 2.9 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. 60% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 33.2 kB

  • Original 43.4 kB
  • After minification 38.7 kB
  • After compression 10.1 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 4.7 kB, which is 11% 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 33.2 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 76.0 kB

  • Original 2.6 MB
  • After minification 2.5 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. K Kojima images are well optimized though.

JavaScript Optimization

-50%

Potential reduce by 85.9 kB

  • Original 170.1 kB
  • After minification 164.4 kB
  • After compression 84.2 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 85.9 kB or 50% of the original size.

CSS Optimization

-84%

Potential reduce by 44.2 kB

  • Original 52.7 kB
  • After minification 43.7 kB
  • After compression 8.5 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. K-kojima.co.jp needs all CSS files to be minified and compressed as it can save up to 44.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 46 (30%)

Requests Now

155

After Optimization

109

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 155 CSS, Javascripts, AJAX and image requests in order to completely render the main page of K Kojima. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

k-kojima.co.jp

k-kojima.co.jp

985 ms

index.css

index.css

528 ms

colorbox.css

colorbox.css

355 ms

jquery.js

jquery.js

1410 ms

jquery.slideScroll.js

jquery.slideScroll.js

357 ms

rollover.js

rollover.js

358 ms

swfobject.js

swfobject.js

709 ms

jquery.action.js

jquery.action.js

711 ms

index_slides.js

index_slides.js

711 ms

jquery.colorbox.js

jquery.colorbox.js

879 ms

conversion.js

conversion.js

13 ms

s_retargeting.js

s_retargeting.js

584 ms

base.css

base.css

1167 ms

base_default.css

base_default.css

352 ms

html5_default.css

html5_default.css

351 ms

analytics.js

analytics.js

27 ms

header_logo.jpg

header_logo.jpg

584 ms

header_sub.jpg

header_sub.jpg

586 ms

header_tel.jpg

header_tel.jpg

584 ms

tp.gif

tp.gif

585 ms

img_anniversary.png

img_anniversary.png

726 ms

img_top_comp.png

img_top_comp.png

708 ms

img_award1.png

img_award1.png

1137 ms

img_award2.png

img_award2.png

1413 ms

img_award3.png

img_award3.png

1261 ms

event_title.jpg

event_title.jpg

1607 ms

ev60_list.jpg

ev60_list.jpg

1710 ms

news_title.jpg

news_title.jpg

1711 ms

nw140_top.jpg

nw140_top.jpg

1712 ms

index1.gif

index1.gif

1758 ms

ev62_list.jpg

ev62_list.jpg

2310 ms

index3.gif

index3.gif

2055 ms

ev61_list.jpg

ev61_list.jpg

2060 ms

nw138_top.jpg

nw138_top.jpg

2061 ms

tour_title.jpg

tour_title.jpg

2108 ms

ev61_1b.jpg

ev61_1b.jpg

2589 ms

movie_title.jpg

movie_title.jpg

2765 ms

movie1.jpg

movie1.jpg

2586 ms

btn_start.png

btn_start.png

2460 ms

movie2.jpg

movie2.jpg

3547 ms

movie3.jpg

movie3.jpg

2670 ms

movie4.jpg

movie4.jpg

2815 ms

blog_title.jpg

blog_title.jpg

2939 ms

housing_tit.jpg

housing_tit.jpg

2941 ms

model_title.jpg

model_title.jpg

3023 ms

company_title.jpg

company_title.jpg

3118 ms

company_tel.jpg

company_tel.jpg

3167 ms

footer_title.jpg

footer_title.jpg

4872 ms

footer_logo.jpg

footer_logo.jpg

4193 ms

footer_tel.jpg

footer_tel.jpg

3512 ms

sdk.js

sdk.js

18 ms

header_bg.jpg

header_bg.jpg

3851 ms

tl.gif

tl.gif

3878 ms

69 ms

collect

collect

28 ms

68 ms

xd_arbiter.php

xd_arbiter.php

55 ms

xd_arbiter.php

xd_arbiter.php

64 ms

61 ms

page.php

page.php

107 ms

hQThvcX2PmE.css

hQThvcX2PmE.css

41 ms

fhXOZkY3D9G.css

fhXOZkY3D9G.css

53 ms

FJOu3mcD4Sl.css

FJOu3mcD4Sl.css

50 ms

q68gy-v_YMF.js

q68gy-v_YMF.js

48 ms

ehA1CqzHyzE.js

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46 ms

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47 ms

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47 ms

OloiM1PZafe.js

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105 ms

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111 ms

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101 ms

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104 ms

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106 ms

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99 ms

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108 ms

OZFAYTv-ZUg.js

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105 ms

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143 ms

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27 ms

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35 ms

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32 ms

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29 ms

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27 ms

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28 ms

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29 ms

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30 ms

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31 ms

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31 ms

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32 ms

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34 ms

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32 ms

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23 ms

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23 ms

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25 ms

header_index_bt01.jpg

header_index_bt01.jpg

3646 ms

header_index_bt02.jpg

header_index_bt02.jpg

3674 ms

header_index_bt03.jpg

header_index_bt03.jpg

3792 ms

main_flash_bg.jpg

main_flash_bg.jpg

13734 ms

I6-MnjEovm5.js

I6-MnjEovm5.js

5 ms

pQrUxxo5oQp.js

pQrUxxo5oQp.js

6 ms

main_flash_bg2.png

main_flash_bg2.png

3871 ms

btn_catalog.jpg

btn_catalog.jpg

4275 ms

btn_reser.jpg

btn_reser.jpg

4643 ms

menu_bg.jpg

menu_bg.jpg

3669 ms

menu_bg02.jpg

menu_bg02.jpg

4034 ms

menu01.jpg

menu01.jpg

3679 ms

menu02.jpg

menu02.jpg

3822 ms

menu03.jpg

menu03.jpg

3923 ms

menu04.jpg

menu04.jpg

4086 ms

menu05.jpg

menu05.jpg

4131 ms

menu06.jpg

menu06.jpg

3931 ms

tokyo_wood_banner.jpg

tokyo_wood_banner.jpg

5717 ms

tokyo_wood_banner2.jpg

tokyo_wood_banner2.jpg

4810 ms

life_style_banner.jpg

life_style_banner.jpg

6576 ms

event_banner.jpg

event_banner.jpg

4693 ms

event_other.png

event_other.png

4767 ms

event_day.jpg

event_day.jpg

4745 ms

event_bt.jpg

event_bt.jpg

4765 ms

news_bg.jpg

news_bg.jpg

4911 ms

tour_other.png

tour_other.png

4918 ms

tour_day.jpg

tour_day.jpg

4887 ms

tour_bt.jpg

tour_bt.jpg

4993 ms

housing_bg.jpg

housing_bg.jpg

5635 ms

arrow04.png

arrow04.png

5027 ms

blog_title_bg.jpg

blog_title_bg.jpg

5007 ms

blog_bt.jpg

blog_bt.jpg

5114 ms

blog_bg01.jpg

blog_bg01.jpg

4892 ms

blog_bana01.jpg

blog_bana01.jpg

4931 ms

blog_bg02.jpg

blog_bg02.jpg

4769 ms

blog_bana02.jpg

blog_bana02.jpg

4865 ms

blog_bg03.jpg

blog_bg03.jpg

4633 ms

blog_bana03.jpg

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4703 ms

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4736 ms

blog_bana04.jpg

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4744 ms

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4609 ms

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4591 ms

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4415 ms

blog_bana05.jpg

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5352 ms

blog_bg07.jpg

blog_bg07.jpg

4258 ms

blog_bana06.jpg

blog_bana06.jpg

4433 ms

housing_tit_bg.jpg

housing_tit_bg.jpg

4289 ms

housing_bana01.jpg

housing_bana01.jpg

5418 ms

housing_bana02.jpg

housing_bana02.jpg

5081 ms

model_img_bg.jpg

model_img_bg.jpg

4435 ms

model_img01.jpg

model_img01.jpg

5088 ms

model_img02.jpg

model_img02.jpg

5065 ms

model_img03.jpg

model_img03.jpg

5239 ms

model_img04.jpg

model_img04.jpg

4727 ms

model_img05.jpg

model_img05.jpg

5361 ms

craftsman_bnr.jpg

craftsman_bnr.jpg

4257 ms

road_bnr.jpg

road_bnr.jpg

4829 ms

reform_bnr.jpg

reform_bnr.jpg

4938 ms

bg_fb.jpg

bg_fb.jpg

5732 ms

company_icon.jpg

company_icon.jpg

5064 ms

pagetop_bt.jpg

pagetop_bt.jpg

5098 ms

footer_bg.jpg

footer_bg.jpg

5010 ms

footer_line.jpg

footer_line.jpg

5072 ms

footer_icon.jpg

footer_icon.jpg

5105 ms

footer_copyright.jpg

footer_copyright.jpg

5005 ms

Accessibility Review

k-kojima.co.jp accessibility score

75

Accessibility Issues

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

k-kojima.co.jp best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

k-kojima.co.jp SEO score

91

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

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 K-kojima.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 K-kojima.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

k-kojima.co.jp

Open Graph description is not detected on the main page of K Kojima. 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: