Tools & Wizards About Us
kenchikukenken.co.jp screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

kenchikukenken.co.jp

建築系検索エンジンKEnKEn

Page Load Speed

7.2 sec in total

First Response

549 ms

Resources Loaded

6.4 sec

Page Rendered

243 ms

kenchikukenken.co.jp screenshot

About Website

Welcome to kenchikukenken.co.jp homepage info - get ready to check Kenchikukenken best content for Japan right away, or after learning these important things about kenchikukenken.co.jp

建築系検索エンジンKenKen!は、建築に特化した専門検索エンジン。有名な建築家から地元の設計事務所・建設会社、近所の職人さん専門用語辞典まで、クチコミやランキングでチェック。プロも使っている建築情報サイト。

Visit kenchikukenken.co.jp

Key Findings

We analyzed Kenchikukenken.co.jp page load time and found that the first response time was 549 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kenchikukenken.co.jp performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value1,540 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.459

19/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

kenchikukenken.co.jp

549 ms

www.kenchikukenken.co.jp

545 ms

www.kenchikukenken.co.jp

1442 ms

kenken.css

379 ms

jquery.js

761 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 75% of them (59 requests) were addressed to the original Kenchikukenken.co.jp, 6% (5 requests) were made to Googleads.g.doubleclick.net and 5% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Kenchikukenken.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.9 kB (6%)

Content Size

2.2 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kenchikukenken.co.jp main page is 2.2 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. 55% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 52.2 kB

  • Original 69.1 kB
  • After minification 68.8 kB
  • After compression 16.9 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 52.2 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 4.9 kB

  • Original 1.6 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. Kenchikukenken images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 74.7 kB

  • Original 454.1 kB
  • After minification 454.1 kB
  • After compression 379.3 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 74.7 kB or 16% of the original size.

CSS Optimization

-21%

Potential reduce by 2.1 kB

  • Original 10.0 kB
  • After minification 10.0 kB
  • After compression 7.9 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. Kenchikukenken.co.jp needs all CSS files to be minified and compressed as it can save up to 2.1 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (13%)

Requests Now

76

After Optimization

66

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kenchikukenken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

kenchikukenken.co.jp

kenchikukenken.co.jp

549 ms

www.kenchikukenken.co.jp

www.kenchikukenken.co.jp

545 ms

www.kenchikukenken.co.jp

www.kenchikukenken.co.jp

1442 ms

kenken.css

kenken.css

379 ms

jquery.js

jquery.js

761 ms

adsbygoogle.js

adsbygoogle.js

229 ms

adsbygoogle.js

adsbygoogle.js

434 ms

js

js

72 ms

kenken.js

kenken.js

570 ms

kenken.gif

kenken.gif

393 ms

baba.gif

baba.gif

234 ms

1156470458_464.jpg

1156470458_464.jpg

219 ms

1018433550_1620.jpg

1018433550_1620.jpg

443 ms

1353558164_503.jpg

1353558164_503.jpg

595 ms

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1012529910_21.jpg

445 ms

1569305057_46.jpg

1569305057_46.jpg

595 ms

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1427331261_3545.jpg

654 ms

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1296520067_26.jpg

659 ms

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1382667589_234.jpg

770 ms

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1113208060_176.jpg

768 ms

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1116989444_36.jpg

769 ms

261.png

261.png

865 ms

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871 ms

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961 ms

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961 ms

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1148 ms

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1076 ms

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1085 ms

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1148 ms

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1147 ms

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1287 ms

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1298 ms

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1338 ms

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1337 ms

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1338 ms

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1498 ms

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1512 ms

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1528 ms

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1526 ms

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1526 ms

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1708 ms

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1724 ms

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1717 ms

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1718 ms

show_ads_impl.js

show_ads_impl.js

497 ms

1314593415_2.jpg

1314593415_2.jpg

1638 ms

widgets.js

widgets.js

116 ms

like.php

like.php

296 ms

1314593415_4.jpg

1314593415_4.jpg

1581 ms

1585199576_1.jpg

1585199576_1.jpg

1685 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

38 ms

settings

settings

69 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

2 ms

embeds

embeds

32 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

tweet_button.2f70fb173b9000da126c79afe2098f02.ja.html

17 ms

KKhk6eugt1M.js

KKhk6eugt1M.js

20 ms

1585199576_2.jpg

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1506 ms

FEppCFCt76d.png

FEppCFCt76d.png

9 ms

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1585199576_3.jpg

1470 ms

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1585199576_4.jpg

1465 ms

zrt_lookup.html

zrt_lookup.html

26 ms

ads

ads

90 ms

1376276552_1.png

1376276552_1.png

1347 ms

1631971092_5.jpg

1631971092_5.jpg

1427 ms

ads

ads

208 ms

ads

ads

324 ms

ads

ads

305 ms

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1402626060_4.jpg

1448 ms

985950004_966.jpg

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1442 ms

ca-pub-2455933596343571

ca-pub-2455933596343571

79 ms

slotcar_library.js

slotcar_library.js

177 ms

1053492776_119.jpg

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1333 ms

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1366 ms

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1387 ms

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2428 ms

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1420 ms

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1721103772.png

1709 ms

info.gif

info.gif

1329 ms

ken.gif

ken.gif

1271 ms

Accessibility Review

kenchikukenken.co.jp accessibility score

83

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

kenchikukenken.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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kenchikukenken.co.jp SEO score

90

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 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 Kenchikukenken.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 Kenchikukenken.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

kenchikukenken.co.jp

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