Tools & Wizards About Us
lasana.co.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

lasana.co.jp

ラサーナ公式通販サイト｜海藻ヘアエッセンス、シャンプー＆トリートメント通販

Page Load Speed

34.4 sec in total

First Response

4.6 sec

Resources Loaded

29.2 sec

Page Rendered

517 ms

lasana.co.jp screenshot

About Website

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

「海藻ヘアエッセンス」「海藻海泥シャンプー＆トリートメント」等のヘアケア商品やスキンケア、アロマ、バスソルトをお届けするラサーナの通販サイトへようこそ！

Visit lasana.co.jp

Key Findings

We analyzed Lasana.co.jp page load time and found that the first response time was 4.6 sec and then it took 29.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

lasana.co.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value13.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.1 s

0/100

25%

SI (Speed Index)

Value33.3 s

0/100

10%

TBT (Total Blocking Time)

Value7,370 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value53.2 s

0/100

10%

Network Requests Diagram

www.lasana.co.jp

4639 ms

jquery.validate.css

580 ms

jquery-ui.structure.min.css

748 ms

jquery-ui.theme.min.css

573 ms

base.css

1649 ms

Our browser made a total of 276 requests to load all elements on the main page. We found that 64% of them (177 requests) were addressed to the original Lasana.co.jp, 4% (11 requests) were made to Platform.twitter.com and 2% (6 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (12.6 sec) belongs to the original domain Lasana.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 919.5 kB (31%)

Content Size

3.0 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lasana.co.jp main page is 3.0 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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 138.0 kB

  • Original 160.7 kB
  • After minification 94.4 kB
  • After compression 22.7 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 66.3 kB, which is 41% 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 138.0 kB or 86% of the original size.

Image Optimization

-5%

Potential reduce by 77.7 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. Lasana images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 675.1 kB

  • Original 1.0 MB
  • After minification 990.4 kB
  • After compression 368.2 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 675.1 kB or 65% of the original size.

CSS Optimization

-75%

Potential reduce by 28.7 kB

  • Original 38.4 kB
  • After minification 38.3 kB
  • After compression 9.7 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. Lasana.co.jp needs all CSS files to be minified and compressed as it can save up to 28.7 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 106 (40%)

Requests Now

268

After Optimization

162

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 268 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lasana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 62 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.lasana.co.jp

www.lasana.co.jp

4639 ms

jquery.validate.css

jquery.validate.css

580 ms

jquery-ui.structure.min.css

jquery-ui.structure.min.css

748 ms

jquery-ui.theme.min.css

jquery-ui.theme.min.css

573 ms

base.css

base.css

1649 ms

jquery.bxslider.css

jquery.bxslider.css

583 ms

jquery.jscrollpane.css

jquery.jscrollpane.css

782 ms

jquery.js

jquery.js

1130 ms

jquery.autoKana.custom.js

jquery.autoKana.custom.js

795 ms

jquery.blockUI.js

jquery.blockUI.js

1715 ms

jquery.email.autocomplete.js

jquery.email.autocomplete.js

948 ms

jquery.validate.js

jquery.validate.js

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jquery.validate.extends.js

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jquery-ui.min.js

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datepicker-ja.js

datepicker-ja.js

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gnavi.js

gnavi.js

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script.js

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jquery.autoHeight.js

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1517 ms

jquery.bxslider.min.js

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jquery.jscrollpane.min.js

jquery.jscrollpane.min.js

1728 ms

style.css

style.css

2450 ms

magnific-popup.css

magnific-popup.css

1795 ms

top.js

top.js

1854 ms

cr_effectLog.js

cr_effectLog.js

2277 ms

a8sales.js

a8sales.js

40 ms

lpcv.js

lpcv.js

849 ms

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lpcv.js

859 ms

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862 ms

lpcv.js

lpcv.js

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widgets.js

widgets.js

19 ms

loader.min.js

loader.min.js

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lp.min.js

lp.min.js

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css2

css2

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gtm.js

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logo.svg

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306 ms

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beacon

beacon

581 ms

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9964 ms

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355 ms

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693 ms

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808 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFBEi75s.ttf

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810 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFPYk75s.ttf

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734 ms

-F6jfjtqLzI2JPCgQBnw7HFyzSD-AsregP8VFLgk75s.ttf

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768 ms

seal.min.js

seal.min.js

200 ms

tag.js

tag.js

374 ms

rt.track.js

rt.track.js

1029 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

58 ms

friend

friend

374 ms

settings

settings

322 ms

js

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97 ms

cmt.js

cmt.js

436 ms

analytics.js

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167 ms

pixel2.js

pixel2.js

164 ms

pixel.js

pixel.js

265 ms

store-cv.js

store-cv.js

324 ms

g677l8e4d2

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160 ms

itm.js

itm.js

84 ms

itm.js

itm.js

160 ms

lt.js

lt.js

20 ms

thum_hmks-ws.jpg

thum_hmks-ws.jpg

9994 ms

thum_hc.jpg

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10279 ms

err.gif

err.gif

799 ms

cQz6nt

cQz6nt

297 ms

segment

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325 ms

collect

collect

75 ms

collect

collect

86 ms

clarity.js

clarity.js

61 ms

segment

segment

280 ms

yzQ8pe

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407 ms

p

p

818 ms

smallest.png

smallest.png

57 ms

widget.1.23.1.7.css

widget.1.23.1.7.css

252 ms

button.1.23.1.7.js

button.1.23.1.7.js

251 ms

sentry.1.23.1.7.js

sentry.1.23.1.7.js

261 ms

collect

collect

34 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

12 ms

collect

collect

28 ms

LaSanaYamasaki

LaSanaYamasaki

949 ms

ga-audiences

ga-audiences

141 ms

ga-audiences

ga-audiences

399 ms

nendCvFPHandler.js

nendCvFPHandler.js

103 ms

thum_hct.jpg

thum_hct.jpg

10624 ms

gtm.js

gtm.js

90 ms

gtm.js

gtm.js

125 ms

mieruca-hm.js

mieruca-hm.js

66 ms

torimochi.js

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31 ms

line_v3@3x.png

line_v3@3x.png

30 ms

home_v3@3x.png

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30 ms

beacon.gif

beacon.gif

294 ms

destination

destination

71 ms

284 ms

fraud

fraud

313 ms

beacon.html

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131 ms

log.js

log.js

34 ms

tracker

tracker

204 ms

collect

collect

579 ms

haircare4-bnr_202402.jpg

haircare4-bnr_202402.jpg

8782 ms

activityi;src=8941176;type=invmedia;cat=z3xkn0;ord=7908869552100;npa=0;auiddc=245807625.1714951078;u1=https%3A%2F%2Fwww.lasana.co.jp%2F;u2=%2F;u3=1016285;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181620169z8853542856za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.lasana.co.jp%2F

activityi;src=8941176;type=invmedia;cat=z3xkn0;ord=7908869552100;npa=0;auiddc=245807625.1714951078;u1=https%3A%2F%2Fwww.lasana.co.jp%2F;u2=%2F;u3=1016285;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181620169z8853542856za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.lasana.co.jp%2F

122 ms

src=8941176;type=invmedia;cat=z3xkn0;ord=7908869552100;npa=0;auiddc=*;u1=https%3A%2F%2Fwww.lasana.co.jp%2F;u2=%2F;u3=1016285;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181620169z8853542856za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.lasana.co.jp%2F

src=8941176;type=invmedia;cat=z3xkn0;ord=7908869552100;npa=0;auiddc=*;u1=https%3A%2F%2Fwww.lasana.co.jp%2F;u2=%2F;u3=1016285;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181620169z8853542856za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.lasana.co.jp%2F

74 ms

pixel

pixel

168 ms

thum_ykj.jpg

thum_ykj.jpg

9663 ms

iframe

iframe

299 ms

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6 ms

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8 ms

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9 ms

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79 ms

hs

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823 ms

sync.ad-stir.com

sync.ad-stir.com

673 ms

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65 ms

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sync

2273 ms

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678 ms

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684 ms

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230 ms

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63 ms

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171 ms

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26 ms

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28 ms

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16 ms

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footer_img_02.png

footer_img_02.png

1889 ms

footer_img_03_202203.png

footer_img_03_202203.png

1914 ms

footer_img_04.png

footer_img_04.png

1820 ms

img_table_guide_01.png

img_table_guide_01.png

1917 ms

footer_information_img_01.jpg

footer_information_img_01.jpg

1969 ms

img_guide_payment_02.png

img_guide_payment_02.png

1752 ms

img_guide_payment_03.png

img_guide_payment_03.png

1905 ms

img_guide_payment_01.jpg

img_guide_payment_01.jpg

2272 ms

img_guide_payment_04.png

img_guide_payment_04.png

1748 ms

pagetop.png

pagetop.png

1775 ms

footer_logo_lasana_202007.png

footer_logo_lasana_202007.png

1791 ms

footer_ico_instagram.png

footer_ico_instagram.png

1787 ms

footer_ico_twitter.png

footer_ico_twitter.png

1791 ms

footer_ico_facebook.png

footer_ico_facebook.png

1866 ms

footer_logo_premior_202007.png

footer_logo_premior_202007.png

1818 ms

footer_logo_factory_202007.png

footer_logo_factory_202007.png

1745 ms

logo_jadma.gif

logo_jadma.gif

1777 ms

footer_logo.png

footer_logo.png

1776 ms

info_ico_01.png

info_ico_01.png

1810 ms

info_tag_information.png

info_tag_information.png

1676 ms

footer_ico_tel.png

footer_ico_tel.png

1668 ms

footer_arrb_10x10.png

footer_arrb_10x10.png

1571 ms

footer_arrb_26x12.png

footer_arrb_26x12.png

1590 ms

footer_arrb_27x12.png

footer_arrb_27x12.png

1594 ms

footer_ico_shopping.png

footer_ico_shopping.png

1534 ms

footer_ico_mail.png

footer_ico_mail.png

1500 ms

footer_ico_window.png

footer_ico_window.png

1539 ms

arrow_ico_01.png

arrow_ico_01.png

1480 ms

Accessibility Review

lasana.co.jp accessibility score

53

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.

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

Definition list items are not wrapped in <dl> elements

High

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lasana.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

lasana.co.jp SEO score

77

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lasana.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Lasana.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

lasana.co.jp

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