Tools & Wizards About Us
251901.net screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

251901.net

美容外科　レーザー脱毛　東京皮膚科・形成外科　銀座院

Page Load Speed

10.5 sec in total

First Response

1.1 sec

Resources Loaded

8.4 sec

Page Rendered

1 sec

251901.net screenshot

About Website

Visit 251901.net now to see the best up-to-date 251901 content for Japan and also check out these interesting facts you probably never knew about 251901.net

美容外科・美容皮膚科のことなら東京皮膚科形成外科。形成外科認定医でアンチエイジング外科・美容再生研究会の理事も努める医師が納得の美容医療をご提供します。東京の銀座駅、東銀座駅、銀座一丁目駅から近くの皮膚科、美容皮膚科、形成外科、エイジングケアクリニック。

Visit 251901.net

Key Findings

We analyzed 251901.net page load time and found that the first response time was 1.1 sec and then it took 9.4 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

251901.net performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.472

18/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

251901.net

1099 ms

251901.net

712 ms

www.251901.net

1103 ms

searchforms.css

185 ms

toolbar.css

365 ms

Our browser made a total of 175 requests to load all elements on the main page. We found that 78% of them (136 requests) were addressed to the original 251901.net, 8% (14 requests) were made to Clients6.google.com and 5% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain 251901.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.7 kB (3%)

Content Size

4.3 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 251901.net main page is 4.3 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. 70% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 86.0 kB

  • Original 106.3 kB
  • After minification 97.6 kB
  • After compression 20.4 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 86.0 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 12.8 kB

  • Original 3.6 MB
  • After minification 3.6 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. 251901 images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 32.0 kB

  • Original 527.7 kB
  • After minification 527.3 kB
  • After compression 495.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-35%

Potential reduce by 6.9 kB

  • Original 19.7 kB
  • After minification 19.5 kB
  • After compression 12.8 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. 251901.net needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (32%)

Requests Now

169

After Optimization

115

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 169 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 251901. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

251901.net

251901.net

1099 ms

251901.net

251901.net

712 ms

www.251901.net

www.251901.net

1103 ms

searchforms.css

searchforms.css

185 ms

toolbar.css

toolbar.css

365 ms

style.css

style.css

526 ms

jquery.js

jquery.js

1058 ms

jquery-migrate.min.js

jquery-migrate.min.js

538 ms

flags.js

flags.js

539 ms

toolbar.js

toolbar.js

548 ms

load-toolbar.js

load-toolbar.js

549 ms

jquery-2.js

jquery-2.js

872 ms

demo.css

demo.css

717 ms

slide.js

slide.js

717 ms

style.css

style.css

730 ms

jsapi

jsapi

21 ms

jquery-contained-sticky-scroll.js

jquery-contained-sticky-scroll.js

731 ms

jquery.droppy.js

jquery.droppy.js

898 ms

dropdown.js

dropdown.js

898 ms

function.js

function.js

914 ms

element.js

element.js

102 ms

core.min.js

core.min.js

912 ms

widget.min.js

widget.min.js

1044 ms

position.min.js

position.min.js

1131 ms

menu.min.js

menu.min.js

1132 ms

wp-a11y.min.js

wp-a11y.min.js

1188 ms

autocomplete.min.js

autocomplete.min.js

1187 ms

mouse.min.js

mouse.min.js

1222 ms

sortable.min.js

sortable.min.js

1228 ms

wp-embed.min.js

wp-embed.min.js

1262 ms

loader.js

loader.js

17 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

1084 ms

dc.js

dc.js

114 ms

gtm.js

gtm.js

153 ms

B41162A9-9181-46EC-8F1F-0E7DE49E67E4-300x227.jpeg

B41162A9-9181-46EC-8F1F-0E7DE49E67E4-300x227.jpeg

401 ms

60A53E89-AD8A-4AEE-9E7F-7C721CF9E5C6.jpeg

60A53E89-AD8A-4AEE-9E7F-7C721CF9E5C6.jpeg

1288 ms

C6EF3461-2C54-4BD7-BD9E-E7CEE547E12F-300x96.jpeg

C6EF3461-2C54-4BD7-BD9E-E7CEE547E12F-300x96.jpeg

591 ms

E09FECB0-7AB0-4409-89B1-601DD45AF2A3-300x300.jpeg

E09FECB0-7AB0-4409-89B1-601DD45AF2A3-300x300.jpeg

743 ms

B7601A1D-8247-44DA-A86D-04A4CD635851-300x225.jpeg

B7601A1D-8247-44DA-A86D-04A4CD635851-300x225.jpeg

757 ms

gn_bg.png

gn_bg.png

234 ms

logo.png

logo.png

233 ms

top_search_ttl.png

top_search_ttl.png

395 ms

side_search_submit.gif

side_search_submit.gif

397 ms

head-tel01.png

head-tel01.png

396 ms

head-tel02.png

head-tel02.png

396 ms

head-tel03.png

head-tel03.png

407 ms

head-tel04.png

head-tel04.png

407 ms

gn_li_bg2.png

gn_li_bg2.png

590 ms

topbanner_drall_2401.jpg

topbanner_drall_2401.jpg

1529 ms

clotion.jpg

clotion.jpg

589 ms

top_contact_txt.png

top_contact_txt.png

590 ms

top_img01.gif

top_img01.gif

680 ms

top_img02.gif

top_img02.gif

592 ms

top_img03.gif

top_img03.gif

747 ms

ban_dietmenu_4t.jpg

ban_dietmenu_4t.jpg

1105 ms

ban_onlineshop_2.jpg

ban_onlineshop_2.jpg

935 ms

ban_linefriend.jpg

ban_linefriend.jpg

1136 ms

thum_top_drbanner_2019.jpg

thum_top_drbanner_2019.jpg

779 ms

clotion-mini.jpg

clotion-mini.jpg

933 ms

topbanner_thum10.jpg

topbanner_thum10.jpg

963 ms

slideaoki-mini_4t.jpg

slideaoki-mini_4t.jpg

1108 ms

thum_ban_onlineshop_2.jpg

thum_ban_onlineshop_2.jpg

1116 ms

thum_ban_linefriend.jpg

thum_ban_linefriend.jpg

1149 ms

bn_onlineshop_2.png

bn_onlineshop_2.png

1461 ms

news_ttl.png

news_ttl.png

1290 ms

top_blog_ttl3.jpg

top_blog_ttl3.jpg

1295 ms

embed

embed

364 ms

embed

embed

555 ms

top_blog_foot.gif

top_blog_foot.gif

1285 ms

practice_tit.gif

practice_tit.gif

1297 ms

drcal_ttl.png

drcal_ttl.png

1368 ms

bn_case_gic_202003.jpg

bn_case_gic_202003.jpg

1382 ms

bn_mrsSDGs_2021.jpg

bn_mrsSDGs_2021.jpg

1590 ms

__utm.gif

__utm.gif

16 ms

plusone.js

plusone.js

50 ms

ban_onlineshop.jpg

ban_onlineshop.jpg

1564 ms

bn_youtube_ginza_2021.jpg

bn_youtube_ginza_2021.jpg

1842 ms

bn_JSAS_700_300_2023bn.png

bn_JSAS_700_300_2023bn.png

1630 ms

js

js

58 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

15 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

39 ms

badge

badge

35 ms

ban_media.jpg

ban_media.jpg

1607 ms

ban_2019kyosei.jpg

ban_2019kyosei.jpg

1825 ms

ban_sp_lumecca.jpg

ban_sp_lumecca.jpg

1615 ms

postmessageRelay

postmessageRelay

156 ms

rs=ABFko3_ireFY_lSMZ_sSjBb37addShkqGQ

rs=ABFko3_ireFY_lSMZ_sSjBb37addShkqGQ

167 ms

m=embed

m=embed

21 ms

client.js

client.js

11 ms

developers.google.com

developers.google.com

345 ms

ban_artmake.jpg

ban_artmake.jpg

1673 ms

bn_job_gic_202001.jpg

bn_job_gic_202001.jpg

1609 ms

top_menu01_ttl.gif

top_menu01_ttl.gif

1621 ms

menu01_btn07.png

menu01_btn07.png

1679 ms

menu01_btn08.png

menu01_btn08.png

1747 ms

menu01_btn04.png

menu01_btn04.png

1783 ms

544727282-postmessagerelay.js

544727282-postmessagerelay.js

18 ms

rpc:shindig_random.js

rpc:shindig_random.js

7 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

4 ms

mieruca-hm.js

mieruca-hm.js

20 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

15 ms

menu01_btn09.png

menu01_btn09.png

1610 ms

top_menu02_ttl.gif

top_menu02_ttl.gif

1647 ms

menu02_btn07.png

menu02_btn07.png

1669 ms

menu02_btn06.png

menu02_btn06.png

1666 ms

logo-plus.png

logo-plus.png

46 ms

googlelogo_color_46x16dp.png

googlelogo_color_46x16dp.png

45 ms

menu02_btn08.png

menu02_btn08.png

1649 ms

menu02_btn09.png

menu02_btn09.png

1618 ms

events

events

144 ms

events

events

144 ms

events

events

169 ms

events

events

110 ms

events

events

381 ms

events

events

225 ms

footer_entry.png

footer_entry.png

1598 ms

events

events

220 ms

events

events

280 ms

events

events

238 ms

events

events

280 ms

events

events

308 ms

events

events

455 ms

events

events

297 ms

events

events

388 ms

doctor_side_banner_ttl.gif

doctor_side_banner_ttl.gif

1481 ms

ikeda_blog_bn_2022.png

ikeda_blog_bn_2022.png

1508 ms

side_btn_tt.png

side_btn_tt.png

1477 ms

side_btn_insta.png

side_btn_insta.png

1401 ms

side_btn_tw.png

side_btn_tw.png

1435 ms

side_btn_blog.png

side_btn_blog.png

1441 ms

morikawa_blog_bn_2019.png

morikawa_blog_bn_2019.png

1470 ms

yoshizawa_blog_bn_2022.png

yoshizawa_blog_bn_2022.png

1478 ms

matsumiya_blog_bn_2022.png

matsumiya_blog_bn_2022.png

1335 ms

kurosaki_blog_bn_2019.png

kurosaki_blog_bn_2019.png

1385 ms

tanaka_blog_bn_2022.png

tanaka_blog_bn_2022.png

1406 ms

okuno_blog_bn_2019.png

okuno_blog_bn_2019.png

1407 ms

suda_blog_bn_2020.png

suda_blog_bn_2020.png

1325 ms

linkbanner_okada.jpg

linkbanner_okada.jpg

1351 ms

mio_blog_bn_2019.png

mio_blog_bn_2019.png

1338 ms

linkbanner_seminar.png

linkbanner_seminar.png

1331 ms

banner-staff.jpg

banner-staff.jpg

1225 ms

ban_instagram.jpg

ban_instagram.jpg

1226 ms

youtube_bn_ginza.png

youtube_bn_ginza.png

1151 ms

ban_line.jpg

ban_line.jpg

1165 ms

side_ttl01.png

side_ttl01.png

1131 ms

side_ttl02.png

side_ttl02.png

1057 ms

side_media_ttl.png

side_media_ttl.png

1091 ms

33d13784c18fc73dfa7cae45e4d01120.jpg

33d13784c18fc73dfa7cae45e4d01120.jpg

1276 ms

BEAUTY_48_1.jpg

BEAUTY_48_1.jpg

2322 ms

643af078d94b431f5884eaf340a66958.jpg

643af078d94b431f5884eaf340a66958.jpg

1301 ms

side_media_ttl02.png

side_media_ttl02.png

1110 ms

a2f84c5a52e22c7319f0c275b41696ec-1.jpg

a2f84c5a52e22c7319f0c275b41696ec-1.jpg

1409 ms

main_img.jpg

main_img.jpg

1086 ms

JAAS_20211_1.jpg

JAAS_20211_1.jpg

1892 ms

link-banner04.gif

link-banner04.gif

1221 ms

link-banner05.gif

link-banner05.gif

1215 ms

ban_ginza_201909.jpg

ban_ginza_201909.jpg

1293 ms

ban_osaka_201912.jpg

ban_osaka_201912.jpg

1323 ms

ban_shinagawa_201910.jpg

ban_shinagawa_201910.jpg

1289 ms

ban_nihonbashi.jpg

ban_nihonbashi.jpg

1354 ms

ban_newface_azabu10.jpg

ban_newface_azabu10.jpg

1324 ms

ban_newface_shinjuku.jpg

ban_newface_shinjuku.jpg

1390 ms

ban_kagawa.jpg

ban_kagawa.jpg

1390 ms

ban_shanghai_2.png

ban_shanghai_2.png

1409 ms

jsprs.gif

jsprs.gif

1370 ms

jsap01.gif

jsap01.gif

1460 ms

jsap02.gif

jsap02.gif

1417 ms

TeamBeyond_bn_2019.png

TeamBeyond_bn_2019.png

1461 ms

hifuko.jpg

hifuko.jpg

1567 ms

side_search_ttl.png

side_search_ttl.png

1514 ms

top_contact_bg10.jpg

top_contact_bg10.jpg

1474 ms

divider.png

divider.png

1521 ms

footer_menu_bg.png

footer_menu_bg.png

1488 ms

tel-img.png

tel-img.png

1566 ms

flags.png

flags.png

1563 ms

Accessibility Review

251901.net accessibility score

74

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

Best Practices

251901.net 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

251901.net SEO score

84

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 251901.net 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 251901.net 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

251901.net

Open Graph data is detected on the main page of 251901. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: