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

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

k-kojima.co.jp

東京の木で家を建てる。多摩の木による木造注文住宅｜小嶋工務店

Page Load Speed

89.4 sec in total

First Response

551 ms

Resources Loaded

9.9 sec

Page Rendered

78.9 sec

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 551 ms and then it took 88.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

k-kojima.co.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value24.1 s

0/100

25%

SI (Speed Index)

Value19.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,900 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value34.6 s

0/100

10%

Network Requests Diagram

k-kojima.co.jp

551 ms

k-kojima.co.jp

669 ms

www.k-kojima.co.jp

1555 ms

style.min.css

567 ms

jquery-3.6.1.min.js

658 ms

Our browser made a total of 191 requests to load all elements on the main page. We found that 73% of them (139 requests) were addressed to the original K-kojima.co.jp, 12% (22 requests) were made to Img.youtube.com and 4% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain K-kojima.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.6 kB (2%)

Content Size

8.2 MB

After Optimization

8.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of K-kojima.co.jp main page is 8.2 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. Only a small number of websites need less resources to load. Images take 7.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 101.3 kB

  • Original 119.5 kB
  • After minification 119.5 kB
  • After compression 18.2 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 101.3 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 257 B

  • Original 7.7 MB
  • After minification 7.7 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. K Kojima images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 45.0 kB

  • Original 386.1 kB
  • After minification 386.1 kB
  • After compression 341.1 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 45.0 kB or 12% of the original size.

CSS Optimization

-0%

Potential reduce by 105 B

  • Original 50.0 kB
  • After minification 50.0 kB
  • After compression 49.9 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 39 (22%)

Requests Now

180

After Optimization

141

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 180 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 20 to 1 for JavaScripts and from 6 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

551 ms

k-kojima.co.jp

k-kojima.co.jp

669 ms

www.k-kojima.co.jp

www.k-kojima.co.jp

1555 ms

style.min.css

style.min.css

567 ms

jquery-3.6.1.min.js

jquery-3.6.1.min.js

658 ms

acms.js

acms.js

495 ms

swiper-bundle.min.js

swiper-bundle.min.js

63 ms

script.min.js

script.min.js

1340 ms

js

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66 ms

vendor.js

vendor.js

1338 ms

index.js

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895 ms

893 ms

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38 ms

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62 ms

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63 ms

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67 ms

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68 ms

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190 ms

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233 ms

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271 ms

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274 ms

header_logo.svg

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620 ms

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370 ms

header_icon_phone.svg

header_icon_phone.svg

367 ms

header_icon_modelhouse.svg

header_icon_modelhouse.svg

619 ms

header_concept_sp.webp

header_concept_sp.webp

627 ms

header_free_sp.webp

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628 ms

header_performance_01_sp.webp

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877 ms

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876 ms

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874 ms

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875 ms

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878 ms

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878 ms

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1068 ms

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1048 ms

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1050 ms

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1068 ms

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1047 ms

yt_icon.svg

yt_icon.svg

1066 ms

ig_icon.svg

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1289 ms

pin_icon.svg

pin_icon.svg

1286 ms

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x_icon.svg

1290 ms

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fb_icon.svg

1291 ms

home_icon.svg

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1292 ms

header_img_07.webp

header_img_07.webp

1437 ms

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2342 ms

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1699 ms

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2103 ms

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1804 ms

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1634 ms

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1814 ms

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2009 ms

sns_icon_youtube.svg

sns_icon_youtube.svg

1860 ms

sns_icon_instagram.svg

sns_icon_instagram.svg

1855 ms

js

js

111 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEj75s.ttf

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208 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFCMj75s.ttf

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1002 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWAovBJ.ttf

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566 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsovBJ.ttf

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566 ms

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1004 ms

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1007 ms

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3XFsEr0515BK2u6UUptu_gWJZfw.ttf

912 ms

js

js

160 ms

analytics.js

analytics.js

38 ms

intro_anniversary.webp

intro_anniversary.webp

1806 ms

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collect

97 ms

js

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539 ms

collect

collect

372 ms

collect

collect

520 ms

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1656 ms

arrow_right_icon_s.svg

arrow_right_icon_s.svg

1566 ms

fv_catchcopy.svg

fv_catchcopy.svg

1568 ms

gda_bnr.webp

gda_bnr.webp

1576 ms

jwda_bnr.webp

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1566 ms

google_logo.webp

google_logo.webp

1650 ms

396 ms

intro_google_star.webp

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1715 ms

external_icon.svg

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1654 ms

translation.json

translation.json

2074 ms

translation.json

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1518 ms

modal_bg.webp

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1577 ms

intro_openhouse_img.webp

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1629 ms

ga-audiences

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410 ms

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1680 ms

award_img_01.webp

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1609 ms

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1543 ms

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1582 ms

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1619 ms

230 ms

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1675 ms

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1687 ms

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1702 ms

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2586 ms

arrow_right_icon_l.svg

arrow_right_icon_l.svg

1542 ms

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mode3_w1200_h800-%E5%AE%B6%E3%81%A4%E3%82%99%E3%81%8F%E3%82%8A%E3%82%BB%E3%83%9F%E3%83%8A%E3%83%BC_518%26524-03.jpg

2943 ms

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2775 ms

378 ms

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2621 ms

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2219 ms

arrow_left_icon_l.svg

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1468 ms

piwik.js

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1145 ms

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1573 ms

modelhouse_house.webp

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1637 ms

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1955 ms

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1962 ms

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2257 ms

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1980 ms

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2123 ms

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2128 ms

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2079 ms

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2073 ms

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2056 ms

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2094 ms

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2034 ms

season_summer_text.svg

season_summer_text.svg

2082 ms

season_winter_text.svg

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2059 ms

free_img.webp

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2031 ms

design_img.webp

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2042 ms

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2186 ms

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2398 ms

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2208 ms

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2839 ms

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2422 ms

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229 ms

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193 ms

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2180 ms

config.js

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2039 ms

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2038 ms

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1891 ms

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1774 ms

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1612 ms

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1552 ms

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1503 ms

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1489 ms

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1472 ms

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1482 ms

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1427 ms

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1461 ms

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1439 ms

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1425 ms

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1462 ms

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group_img_01.webp

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1483 ms

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1437 ms

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1445 ms

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1462 ms

cv_bird.webp

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1305 ms

maruta.webp

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jquery-migrate-3.0.1.min.js

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1210 ms

footer_anniversary.svg

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footer_tel.svg

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icon_phone.svg

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cv_img_01.webp

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1126 ms

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cv_img_02.webp

1127 ms

jquery-ui.min.js

jquery-ui.min.js

267 ms

Accessibility Review

k-kojima.co.jp accessibility score

87

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Best Practices

k-kojima.co.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

High

Page has valid source maps

SEO Factors

k-kojima.co.jp SEO score

100

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

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