Tools & Wizards About Us
tact-jsk.co.jp screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

tact-jsk.co.jp

住宅産業研究所 | 住宅産業に関する調査、分析、研究する専門調査会社。1976年創業

Page Load Speed

12.4 sec in total

First Response

1.5 sec

Resources Loaded

9.2 sec

Page Rendered

1.7 sec

tact-jsk.co.jp screenshot

About Website

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

住宅産業に関するあらゆるテーマを調査、分析、研究する専門調査会社です。最新の住宅業界の動向をまとめたサービスやハウスメーカーやビルダー、工務店向けの調査資料、各種セミナーや販促など提供しています。1976年創業。

Visit tact-jsk.co.jp

Key Findings

We analyzed Tact-jsk.co.jp page load time and found that the first response time was 1.5 sec and then it took 10.9 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

tact-jsk.co.jp performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.161

73/100

15%

TTI (Time to Interactive)

Value11.7 s

17/100

10%

Network Requests Diagram

tact-jsk.co.jp

1465 ms

style.css

322 ms

_else.css

482 ms

style.css

344 ms

index.css

652 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 83% of them (87 requests) were addressed to the original Tact-jsk.co.jp, 10% (10 requests) were made to Google.com and 3% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Tact-jsk.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 934.9 kB (44%)

Content Size

2.1 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tact-jsk.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. 40% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 87.8 kB

  • Original 104.8 kB
  • After minification 95.5 kB
  • After compression 17.0 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 87.8 kB or 84% of the original size.

Image Optimization

-13%

Potential reduce by 139.3 kB

  • Original 1.1 MB
  • After minification 943.4 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, Tact Jsk needs image optimization as it can save up to 139.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 319.2 kB

  • Original 506.8 kB
  • After minification 480.2 kB
  • After compression 187.6 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 319.2 kB or 63% of the original size.

CSS Optimization

-89%

Potential reduce by 388.6 kB

  • Original 434.9 kB
  • After minification 382.1 kB
  • After compression 46.3 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. Tact-jsk.co.jp needs all CSS files to be minified and compressed as it can save up to 388.6 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 52 (52%)

Requests Now

100

After Optimization

48

  • Images
  • JavaScript
  • CSS

The browser has sent 100 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tact Jsk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 31 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tact-jsk.co.jp

tact-jsk.co.jp

1465 ms

style.css

style.css

322 ms

_else.css

_else.css

482 ms

style.css

style.css

344 ms

index.css

index.css

652 ms

script.js

script.js

701 ms

font-awesome.min.css

font-awesome.min.css

5 ms

hover.css

hover.css

1661 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1515 ms

scrolltopcontrol.js

scrolltopcontrol.js

519 ms

button9.css

button9.css

565 ms

button5.css

button5.css

742 ms

common.css

common.css

337 ms

pagelayout.css

pagelayout.css

1164 ms

printlayout.css

printlayout.css

792 ms

blockskin.css

blockskin.css

2066 ms

wp_style.css

wp_style.css

1644 ms

overwrite.css

overwrite.css

1226 ms

style.css

style.css

994 ms

theme.css

theme.css

330 ms

legacy.css

legacy.css

326 ms

jquery-1.8.2.min.js

jquery-1.8.2.min.js

1159 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

501 ms

head.load.min.js

head.load.min.js

519 ms

movie.js

movie.js

699 ms

parts.js

parts.js

568 ms

fx.js

fx.js

1312 ms

override.js

override.js

1186 ms

load.js

load.js

838 ms

analytics.js

analytics.js

66 ms

shohin-senryaku.jpg

shohin-senryaku.jpg

640 ms

maker.jpg

maker.jpg

4073 ms

new.png

new.png

515 ms

handbook.png

handbook.png

692 ms

keiehakusho.png

keiehakusho.png

991 ms

no.1.jpg

no.1.jpg

691 ms

express-1.png

express-1.png

1185 ms

apart.jpg

apart.jpg

1337 ms

89c8ac7hb.png

89c8ac7hb.png

1538 ms

souran.jpg

souran.jpg

1844 ms

12.25_jirei.png

12.25_jirei.png

1668 ms

dvd1.png

dvd1.png

3080 ms

mini-0507.jpg

mini-0507.jpg

1941 ms

tact.mini.jpg

tact.mini.jpg

2014 ms

mini-0507-2.png

mini-0507-2.png

2430 ms

mini-9.png

mini-9.png

2498 ms

mini-05.07-1.png

mini-05.07-1.png

2468 ms

jsk-log-top.png

jsk-log-top.png

518 ms

236.png

236.png

516 ms

Square_gry_Right.png

Square_gry_Right.png

686 ms

tact2016.jpg

tact2016.jpg

1034 ms

tactlogo1.png

tactlogo1.png

965 ms

sign.png

sign.png

981 ms

tact-reform.png

tact-reform.png

1602 ms

sign.png

sign.png

1156 ms

express32.png

express32.png

2029 ms

small_2960675738.jpg

small_2960675738.jpg

1528 ms

square_wht_right.gif

square_wht_right.gif

1491 ms

small_2915742721.jpg

small_2915742721.jpg

2020 ms

small_450115305.jpg

small_450115305.jpg

1851 ms

small_5537894072.jpg

small_5537894072.jpg

1985 ms

small_3301911266.jpg

small_3301911266.jpg

2167 ms

small_3131152669.jpg

small_3131152669.jpg

2330 ms

pdf-icon.gif

pdf-icon.gif

2201 ms

onde-new.png

onde-new.png

2892 ms

ondenew.png

ondenew.png

2993 ms

jsk40logo-4.png

jsk40logo-4.png

3076 ms

saiyou.png

saiyou.png

3427 ms

design.png

design.png

2753 ms

sign.png

sign.png

3498 ms

sign.png

sign.png

3550 ms

jskblog-enter.png

jskblog-enter.png

4002 ms

sign.jpg

sign.jpg

3867 ms

sign.png

sign.png

3778 ms

sign5.png

sign5.png

4573 ms

home-02-icon.png

home-02-icon.png

3840 ms

collect

collect

19 ms

collect

collect

228 ms

cse.js

cse.js

180 ms

_area_header.css

_area_header.css

3556 ms

_area_billboard.css

_area_billboard.css

3784 ms

_area_main.css

_area_main.css

3852 ms

_area_side_a.css

_area_side_a.css

3874 ms

_area_side_b.css

_area_side_b.css

3909 ms

_area_footer.css

_area_footer.css

4027 ms

_block_header.css

_block_header.css

4132 ms

cse.js

cse.js

154 ms

up.png

up.png

1859 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

19 ms

_block_billboard.css

_block_billboard.css

3999 ms

_block_main.css

_block_main.css

4066 ms

jsapi

jsapi

34 ms

_block_side_a.css

_block_side_a.css

3898 ms

default+ja.css

default+ja.css

5 ms

default.css

default.css

18 ms

default+ja.I.js

default+ja.I.js

42 ms

default.css

default.css

3 ms

async-ads.js

async-ads.js

191 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

165 ms

small-logo.png

small-logo.png

63 ms

search_box_icon.png

search_box_icon.png

66 ms

clear.png

clear.png

67 ms

nav_logo114.png

nav_logo114.png

61 ms

_block_side_b.css

_block_side_b.css

3723 ms

_block_footer.css

_block_footer.css

3820 ms

Accessibility Review

tact-jsk.co.jp accessibility score

66

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

<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

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Best Practices

tact-jsk.co.jp best practices score

75

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tact-jsk.co.jp SEO score

85

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 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 Tact-jsk.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 Tact-jsk.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

tact-jsk.co.jp

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