Tools & Wizards About Us
lawson.co.jp screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

lawson.co.jp

LAWSON｜ローソン公式サイト

Page Load Speed

13.6 sec in total

First Response

733 ms

Resources Loaded

12.5 sec

Page Rendered

314 ms

lawson.co.jp screenshot

About Website

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

コンビニエンスストア「ローソン」の公式ウェブサイト。店舗/ATM検索、新商品紹介、各種店舗でのサービスや活用方法などのご紹介。株式会社ローソンの企業情報掲載。ローソン「三鷹の森ジブリ美術館」情報。

Visit lawson.co.jp

Key Findings

We analyzed Lawson.co.jp page load time and found that the first response time was 733 ms and then it took 12.8 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

lawson.co.jp performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value23.1 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value4,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.144

78/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

Network Requests Diagram

www.lawson.co.jp

733 ms

style.css

696 ms

jquery.min.js

735 ms

reset.css

731 ms

notosansjapanese.css

52 ms

Our browser made a total of 148 requests to load all elements on the main page. We found that 56% of them (83 requests) were addressed to the original Lawson.co.jp, 7% (11 requests) were made to Youtube.com and 7% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Lawson.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 511.8 kB (12%)

Content Size

4.2 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lawson.co.jp main page is 4.2 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 64.6 kB

  • Original 80.7 kB
  • After minification 69.0 kB
  • After compression 16.2 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. This page needs HTML code to be minified as it can gain 11.8 kB, which is 15% 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 64.6 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 182.9 kB

  • Original 3.4 MB
  • After minification 3.2 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. LAWSON images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 159.5 kB

  • Original 495.3 kB
  • After minification 492.9 kB
  • After compression 335.8 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 159.5 kB or 32% of the original size.

CSS Optimization

-55%

Potential reduce by 104.8 kB

  • Original 192.3 kB
  • After minification 168.1 kB
  • After compression 87.4 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. Lawson.co.jp needs all CSS files to be minified and compressed as it can save up to 104.8 kB or 55% of the original size.

Requests Breakdown

Number of requests can be reduced by 75 (56%)

Requests Now

134

After Optimization

59

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LAWSON. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.lawson.co.jp

www.lawson.co.jp

733 ms

style.css

style.css

696 ms

jquery.min.js

jquery.min.js

735 ms

reset.css

reset.css

731 ms

notosansjapanese.css

notosansjapanese.css

52 ms

common.css

common.css

731 ms

css2

css2

69 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

727 ms

heightLine.js

heightLine.js

725 ms

common.js

common.js

1388 ms

script.js

script.js

1422 ms

solid.css

solid.css

44 ms

fontawesome.css

fontawesome.css

58 ms

style.css

style.css

1426 ms

image_block.css

image_block.css

1433 ms

image_block.js

image_block.js

1421 ms

header.css

header.css

739 ms

footer.css

footer.css

1403 ms

contentNavSnippet.css

contentNavSnippet.css

1419 ms

logo_lawson_id.png

logo_lawson_id.png

707 ms

logo_lawson_group.svg

logo_lawson_group.svg

703 ms

logo_lawson.png

logo_lawson.png

735 ms

btn_close.png

btn_close.png

706 ms

navArea_arrow.png

navArea_arrow.png

706 ms

20240423_haruhapi_tea_a1.jpg

20240423_haruhapi_tea_a1.jpg

742 ms

20220830_minnade_hapilaw_a1.jpg

20220830_minnade_hapilaw_a1.jpg

1435 ms

2024_md_fd_banner_a1.jpg

2024_md_fd_banner_a1.jpg

1433 ms

20220509_muji_a1.jpg

20220509_muji_a1.jpg

2072 ms

20240409_sdgs_a1.jpg

20240409_sdgs_a1.jpg

1433 ms

20240118_au_a1.png

20240118_au_a1.png

1533 ms

20240430_sakurazaka46_a1.jpg

20240430_sakurazaka46_a1.jpg

1536 ms

20240423_suujikuji_a1.jpg

20240423_suujikuji_a1.jpg

2125 ms

lawson_ccimp_bn_pc01_l1.png

lawson_ccimp_bn_pc01_l1.png

2121 ms

lawson_ccimp_bn_pc01_r1.png

lawson_ccimp_bn_pc01_r1.png

2136 ms

20240430_new_c.jpg

20240430_new_c.jpg

2229 ms

20240430_freeticket_2week_c.jpg

20240430_freeticket_2week_c.jpg

2261 ms

20240404_bluelock_c.jpg

20240404_bluelock_c.jpg

2759 ms

20230403_karaagepoint_c.jpg

20230403_karaagepoint_c.jpg

2810 ms

20240423_suujikuji_c.jpg

20240423_suujikuji_c.jpg

2841 ms

2024_md_fd_banner_c.jpg

2024_md_fd_banner_c.jpg

2844 ms

20240430_stoukenranbu_c.jpg

20240430_stoukenranbu_c.jpg

2948 ms

20230630_franchise_c.jpg

20230630_franchise_c.jpg

2946 ms

crewboshu_200x200.jpg

crewboshu_200x200.jpg

3465 ms

20220830_minnade_hapilaw_c_1.jpg

20220830_minnade_hapilaw_c_1.jpg

3503 ms

0509_mujirushi_c.jpg

0509_mujirushi_c.jpg

3544 ms

20220413_delivery_c.jpg

20220413_delivery_c.jpg

3545 ms

20240119_au_c.png

20240119_au_c.png

3629 ms

20240430_lbpontama_c.jpg

20240430_lbpontama_c.jpg

3638 ms

20240208_avatar_c.jpg

20240208_avatar_c.jpg

4159 ms

20220928_groupproject_hazimemashite_c.jpg

20220928_groupproject_hazimemashite_c.jpg

4202 ms

ghiblipark_c8.jpg

ghiblipark_c8.jpg

4225 ms

20170530_ghibli_c.jpg

20170530_ghibli_c.jpg

4233 ms

x_icon_36.jpg

x_icon_36.jpg

4319 ms

instagram_01.png

instagram_01.png

4340 ms

gtm.js

gtm.js

125 ms

BQtxxj_x4gU

BQtxxj_x4gU

242 ms

sec-03_fb_icon_1.png

sec-03_fb_icon_1.png

4833 ms

tag.js

tag.js

153 ms

VdGBAYIAV6gnpUpoWwNkYvrugw9RuM0C45sJxeymzw.woff

VdGBAYIAV6gnpUpoWwNkYvrugw9RuM0C45sJxeymzw.woff

459 ms

NotoSansJP-Thin.woff

NotoSansJP-Thin.woff

900 ms

NotoSansJP-Light.woff

NotoSansJP-Light.woff

957 ms

NotoSansJP-DemiLight.woff

NotoSansJP-DemiLight.woff

962 ms

NotoSansJP-Regular.woff

NotoSansJP-Regular.woff

901 ms

NotoSansJP-Medium.woff

NotoSansJP-Medium.woff

958 ms

NotoSansJP-Bold.woff

NotoSansJP-Bold.woff

959 ms

NotoSansJP-Black.woff

NotoSansJP-Black.woff

962 ms

fa-solid-900.woff

fa-solid-900.woff

79 ms

js

js

87 ms

analytics.js

analytics.js

185 ms

destination

destination

198 ms

s_retargeting.js

s_retargeting.js

1311 ms

ytag.js

ytag.js

1136 ms

fbevents.js

fbevents.js

250 ms

lt.js

lt.js

300 ms

www-player.css

www-player.css

36 ms

www-embed-player.js

www-embed-player.js

58 ms

base.js

base.js

58 ms

iframe_api

iframe_api

192 ms

BQtxxj_x4gU

BQtxxj_x4gU

347 ms

linkid.js

linkid.js

62 ms

www-widgetapi.js

www-widgetapi.js

76 ms

collect

collect

163 ms

collect

collect

161 ms

err.gif

err.gif

998 ms

oct.js

oct.js

207 ms

www-embed-player.js

www-embed-player.js

43 ms

base.js

base.js

114 ms

ga-audiences

ga-audiences

403 ms

js

js

72 ms

sec-03_line_icon_1.png

sec-03_line_icon_1.png

4220 ms

sec-03_youtube_icon_1.png

sec-03_youtube_icon_1.png

4229 ms

sec-03_tiktok_icon_1.png

sec-03_tiktok_icon_1.png

4232 ms

note_icon_01.png

note_icon_01.png

4313 ms

sec-04_01.png

sec-04_01.png

4304 ms

sec-04_02.png

sec-04_02.png

4817 ms

ad_status.js

ad_status.js

392 ms

itm.js

itm.js

327 ms

jRYISRuM9q7e_xyYaLp_fsq3qnLjbNevd8JDa-bOkpI.js

jRYISRuM9q7e_xyYaLp_fsq3qnLjbNevd8JDa-bOkpI.js

132 ms

embed.js

embed.js

79 ms

adsct

adsct

316 ms

adsct

adsct

315 ms

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

19 ms

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

KFOlCnqEu92Fr1MmEU9fBBc-AMP6lQ.woff

19 ms

id

id

107 ms

wNPc1M

wNPc1M

264 ms

segment

segment

403 ms

sec-04_04.png

sec-04_04.png

4201 ms

sec-04_05.png

sec-04_05.png

4191 ms

Create

Create

130 ms

sec-04_06.png

sec-04_06.png

4205 ms

sec-04_07.png

sec-04_07.png

4178 ms

sec-04_09.png

sec-04_09.png

4202 ms

GenerateIT

GenerateIT

13 ms

gtm.js

gtm.js

39 ms

304 ms

destination

destination

32 ms

destination

destination

64 ms

destination

destination

65 ms

beacon.html

beacon.html

178 ms

log.js

log.js

4 ms

tracker

tracker

335 ms

90 ms

49 ms

19 ms

32 ms

sec-04_11.png

sec-04_11.png

4186 ms

21 ms

ico_japan.png

ico_japan.png

4194 ms

ico_china.png

ico_china.png

4200 ms

ico_indonesia.png

ico_indonesia.png

4216 ms

ico_tailand.png

ico_tailand.png

4176 ms

ico_philippines.png

ico_philippines.png

4177 ms

ico_hawaii.png

ico_hawaii.png

4189 ms

icon_blank.png

icon_blank.png

4207 ms

ico_pagetop.png

ico_pagetop.png

4172 ms

list02_bg.png

list02_bg.png

4208 ms

icon_faq.png

icon_faq.png

4155 ms

icon_language.png

icon_language.png

4192 ms

list04_bg.png

list04_bg.png

4172 ms

input_btn.png

input_btn.png

4215 ms

log_event

log_event

19 ms

navArea_bg.png

navArea_bg.png

4174 ms

sec-05_item02_01.png

sec-05_item02_01.png

4211 ms

mv_prv_off.png

mv_prv_off.png

4177 ms

mv_next_off.png

mv_next_off.png

4204 ms

pager_off.png

pager_off.png

4174 ms

pager_on.png

pager_on.png

4220 ms

nonPrintable.css

nonPrintable.css

698 ms

Accessibility Review

lawson.co.jp accessibility score

57

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

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

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

lawson.co.jp best practices score

58

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

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

lawson.co.jp SEO score

83

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 Lawson.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 Lawson.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

lawson.co.jp

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