Tools & Wizards About Us
donbla.co.jp screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

donbla.co.jp

donbla. [ドンブラ] - 倉敷の生活＆子育て応援情報サイト(子育て・クーポン・口コミ・グルメ情報満載)

Page Load Speed

8.8 sec in total

First Response

499 ms

Resources Loaded

7.4 sec

Page Rendered

826 ms

donbla.co.jp screenshot

About Website

Click here to check amazing Donbla content for Japan. Otherwise, check out these important facts you probably never knew about donbla.co.jp

倉敷のクーポン情報や地域情報、子育て情報サイトdonbla.[ドンブラ]。グルメ・美容・イベント情報などを主要エリア別に写真や口コミ満載でお店をご紹介。登録ユーザー同士のおしゃべり広場｢ドンコミュ｣も必見。倉敷地域No.1のクーポンサイト。

Visit donbla.co.jp

Key Findings

We analyzed Donbla.co.jp page load time and found that the first response time was 499 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

donbla.co.jp performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value14.2 s

1/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.18

67/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

donbla.co.jp

499 ms

www.donbla.co.jp

1887 ms

gtm.js

62 ms

bootstrap.min.css

846 ms

owl.carousel.min.css

542 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 66% of them (105 requests) were addressed to the original Donbla.co.jp, 13% (20 requests) were made to Clients6.google.com and 8% (12 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Donbla.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 302.2 kB (6%)

Content Size

5.2 MB

After Optimization

4.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Donbla.co.jp main page is 5.2 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. 65% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 41.3 kB

  • Original 49.7 kB
  • After minification 37.3 kB
  • After compression 8.4 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. This page needs HTML code to be minified as it can gain 12.4 kB, which is 25% 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 41.3 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 42.8 kB

  • Original 4.7 MB
  • After minification 4.6 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. Donbla images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 91.6 kB

  • Original 329.6 kB
  • After minification 329.5 kB
  • After compression 238.0 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 91.6 kB or 28% of the original size.

CSS Optimization

-83%

Potential reduce by 126.4 kB

  • Original 151.8 kB
  • After minification 144.2 kB
  • After compression 25.3 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. Donbla.co.jp needs all CSS files to be minified and compressed as it can save up to 126.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (24%)

Requests Now

157

After Optimization

120

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Donbla. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

donbla.co.jp

donbla.co.jp

499 ms

www.donbla.co.jp

www.donbla.co.jp

1887 ms

gtm.js

gtm.js

62 ms

bootstrap.min.css

bootstrap.min.css

846 ms

owl.carousel.min.css

owl.carousel.min.css

542 ms

owl.theme.default.min.css

owl.theme.default.min.css

543 ms

common.css

common.css

543 ms

index.css

index.css

544 ms

embed

embed

242 ms

logo.jpg

logo.jpg

576 ms

event_calendar.jpg

event_calendar.jpg

1474 ms

sodan_renraku.jpg

sodan_renraku.jpg

1478 ms

doncom.jpg

doncom.jpg

1649 ms

donbla_play.jpg

donbla_play.jpg

1357 ms

yBJcxhYfb3QlHWmZ.jpg

yBJcxhYfb3QlHWmZ.jpg

779 ms

m_587_20240502133009_a8210c.jpg

m_587_20240502133009_a8210c.jpg

1229 ms

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1011 ms

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1184 ms

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1352 ms

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1405 ms

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1524 ms

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1526 ms

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1757 ms

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1636 ms

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1640 ms

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1692 ms

4Q1EbLjDynThBjf1.jpg

4Q1EbLjDynThBjf1.jpg

1695 ms

m_888_20240426135107_777f62.jpg

m_888_20240426135107_777f62.jpg

1799 ms

js

js

49 ms

page.php

page.php

201 ms

page.php

page.php

340 ms

jquery.min.js

jquery.min.js

62 ms

bootstrap.min.js

bootstrap.min.js

1572 ms

owl.carousel.min.js

owl.carousel.min.js

1580 ms

index.js

index.js

1630 ms

ga.js

ga.js

1632 ms

kinenbi_banner.jpg

kinenbi_banner.jpg

1875 ms

kuramise_banner.jpg

kuramise_banner.jpg

1894 ms

genre_navicon1.png

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1736 ms

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1745 ms

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1798 ms

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1801 ms

genre_navicon5.png

genre_navicon5.png

1900 ms

rs=ABFko3_giwz3JjE_1jEozOxia2PqvWaquQ

rs=ABFko3_giwz3JjE_1jEozOxia2PqvWaquQ

433 ms

m=embed

m=embed

58 ms

client.js

client.js

67 ms

genre_navicon6.png

genre_navicon6.png

1908 ms

gzCy-hx--rE.css

gzCy-hx--rE.css

15 ms

RsWZ-myCkRn.js

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24 ms

xjg1QNQguf-.js

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20 ms

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23 ms

qnn7MVQZYOT.js

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51 ms

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52 ms

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51 ms

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54 ms

zYzGplAqD4J.js

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56 ms

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72 ms

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67 ms

JTpYOoYy6tb.js

JTpYOoYy6tb.js

51 ms

4Za9TE_Wiy4.js

4Za9TE_Wiy4.js

47 ms

UXtr_j2Fwe-.png

UXtr_j2Fwe-.png

43 ms

genre_navicon7.png

genre_navicon7.png

1667 ms

genre_navicon8.png

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1669 ms

genre_navicon9.png

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1746 ms

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20 ms

genre_navicon10.png

genre_navicon10.png

1719 ms

genre_navicon11.png

genre_navicon11.png

1726 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

7 ms

logo-plus.png

logo-plus.png

46 ms

googlelogo_color_46x16dp.png

googlelogo_color_46x16dp.png

51 ms

blank.gif

blank.gif

5 ms

menu_arrow_open.gif

menu_arrow_open.gif

10 ms

icon_print.gif

icon_print.gif

11 ms

btn_menu6.gif

btn_menu6.gif

14 ms

combined_v22.png

combined_v22.png

14 ms

genre_navicon12.png

genre_navicon12.png

1532 ms

events

events

161 ms

area_navicon1.png

area_navicon1.png

1469 ms

events

events

121 ms

events

events

106 ms

events

events

119 ms

events

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124 ms

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events

75 ms

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167 ms

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144 ms

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241 ms

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258 ms

area_navicon2.png

area_navicon2.png

1367 ms

area_navicon3.png

area_navicon3.png

1263 ms

area_navicon4.png

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1228 ms

events

events

78 ms

events

events

119 ms

events

events

180 ms

events

events

145 ms

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147 ms

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175 ms

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147 ms

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240 ms

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253 ms

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219 ms

area_navicon5.png

area_navicon5.png

1112 ms

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1121 ms

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1139 ms

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1076 ms

topic_genre_h.png

topic_genre_h.png

1146 ms

topic_genre1.png

topic_genre1.png

1114 ms

topic_genre2.png

topic_genre2.png

1103 ms

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topic_genre3.png

1005 ms

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topic_genre4.png

1075 ms

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topic_genre5.png

1069 ms

topic_genre6.png

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1092 ms

topic_genre7.png

topic_genre7.png

1099 ms

topic_genre8.png

topic_genre8.png

1057 ms

topic_genre9.png

topic_genre9.png

1007 ms

topic_genre10.png

topic_genre10.png

1076 ms

topic_genre11.png

topic_genre11.png

1072 ms

topic_genre0_active.png

topic_genre0_active.png

1086 ms

analytics.js

analytics.js

26 ms

newly_commu.gif

newly_commu.gif

1068 ms

collect

collect

12 ms

list_boy40.gif

list_boy40.gif

1003 ms

newly_kuchicomi.gif

newly_kuchicomi.gif

1012 ms

list_boy10.gif

list_boy10.gif

1023 ms

minicon_class1.gif

minicon_class1.gif

1022 ms

ministar5.gif

ministar5.gif

1005 ms

list_girl25.gif

list_girl25.gif

997 ms

list_girl30.gif

list_girl30.gif

1003 ms

minicon_class2.gif

minicon_class2.gif

1022 ms

minicon_class3.gif

minicon_class3.gif

1022 ms

ministar4.gif

ministar4.gif

1021 ms

list_girl40.gif

list_girl40.gif

994 ms

ministar3.gif

ministar3.gif

996 ms

bnr_kankoweb.png

bnr_kankoweb.png

1003 ms

bnr_tamano.png

bnr_tamano.png

1033 ms

streetview_indoor.jpg

streetview_indoor.jpg

1532 ms

side_present.jpg

side_present.jpg

1871 ms

side_coupon2.jpg

side_coupon2.jpg

1314 ms

recruit_start.jpg

recruit_start.jpg

1485 ms

side_mamapapaouen.jpg

side_mamapapaouen.jpg

1335 ms

side_naraigoto.jpg

side_naraigoto.jpg

1571 ms

side_donblacco13.jpg

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1555 ms

ksp3.jpg

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1749 ms

side_hoikuen.jpg

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1794 ms

side_qanda.jpg

side_qanda.jpg

1810 ms

side_kenko-soudanshitsu.jpg

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1936 ms

side_kosodate-ouen.jpg

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1949 ms

side_interview.jpg

side_interview.jpg

1704 ms

side_park.jpg

side_park.jpg

1744 ms

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1801 ms

flavare_sidebar.jpg

flavare_sidebar.jpg

2133 ms

side_soudanmadoguti.jpg

side_soudanmadoguti.jpg

2458 ms

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side_recipe.jpg

2143 ms

sideBanner.jpg

sideBanner.jpg

2393 ms

sideButton.jpg

sideButton.jpg

2209 ms

sideBanner.jpg

sideBanner.jpg

1805 ms

newface.gif

newface.gif

1960 ms

shop.gif

shop.gif

2111 ms

body_bg.gif

body_bg.gif

2108 ms

dot.png

dot.png

2068 ms

Accessibility Review

donbla.co.jp accessibility score

80

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

Form elements do not have associated labels

Best Practices

donbla.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

donbla.co.jp SEO score

96

Search Engine Optimization Advices

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 Donbla.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 Donbla.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

donbla.co.jp

Open Graph description is not detected on the main page of Donbla. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: