Tools & Wizards About Us
umabi.jp screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

umabi.jp

競馬予想サイトおすすめランキング完全版！［2025年11月］

Page Load Speed

16.2 sec in total

First Response

583 ms

Resources Loaded

8.2 sec

Page Rendered

7.4 sec

umabi.jp screenshot

About Website

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

独自の検証方法で導き出した本当に当たるおすすめ競馬予想サイトをお届けします！サイトの買い目とあなたの予想を比較できるから納得して予想に参加することが可能！競馬予想サイト選びは競馬ビビットにお任せください！

Visit umabi.jp

Key Findings

We analyzed Umabi.jp page load time and found that the first response time was 583 ms and then it took 15.6 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

umabi.jp performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value22.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,570 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.611

10/100

15%

TTI (Time to Interactive)

Value89.0 s

0/100

10%

Network Requests Diagram

umabi.jp

583 ms

umabi.jp

1171 ms

optimize.js

958 ms

all.css

47 ms

chart.js

45 ms

Our browser made a total of 157 requests to load all elements on the main page. We found that 94% of them (147 requests) were addressed to the original Umabi.jp, 2% (3 requests) were made to Use.fontawesome.com and 1% (2 requests) were made to Clarity.ms. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Umabi.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.6 MB (18%)

Content Size

30.6 MB

After Optimization

25.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Umabi.jp main page is 30.6 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 29.9 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 433.7 kB

  • Original 482.2 kB
  • After minification 478.7 kB
  • After compression 48.5 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 433.7 kB or 90% of the original size.

Image Optimization

-17%

Potential reduce by 5.1 MB

  • Original 29.9 MB
  • After minification 24.8 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. Obviously, Umabi needs image optimization as it can save up to 5.1 MB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 11.1 kB

  • Original 104.4 kB
  • After minification 104.4 kB
  • After compression 93.3 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 11.1 kB or 11% of the original size.

CSS Optimization

-23%

Potential reduce by 21.7 kB

  • Original 95.8 kB
  • After minification 95.8 kB
  • After compression 74.0 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. Umabi.jp needs all CSS files to be minified and compressed as it can save up to 21.7 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (8%)

Requests Now

153

After Optimization

141

  • Images
  • JavaScript
  • CSS

The browser has sent 153 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Umabi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

umabi.jp

umabi.jp

583 ms

umabi.jp

umabi.jp

1171 ms

optimize.js

optimize.js

958 ms

all.css

all.css

47 ms

chart.js

chart.js

45 ms

calg5.css

calg5.css

383 ms

calg5.css

calg5.css

523 ms

calg5.css

calg5.css

975 ms

calg5.css

calg5.css

576 ms

calg5.js

calg5.js

382 ms

calg5.js

calg5.js

383 ms

jquery.min.js

jquery.min.js

21 ms

calg5.js

calg5.js

1019 ms

gtm.js

gtm.js

261 ms

n3x5n22wd8

n3x5n22wd8

351 ms

logo.svg

logo.svg

210 ms

hamburger-top.svg

hamburger-top.svg

208 ms

hamburger-sitelist.svg

hamburger-sitelist.svg

213 ms

hamburger-excellent.svg

hamburger-excellent.svg

212 ms

hamburger-ranking.svg

hamburger-ranking.svg

204 ms

hamburger-column.svg

hamburger-column.svg

204 ms

fv_pc.svg

fv_pc.svg

897 ms

pagelink-ranking_pc.svg

pagelink-ranking_pc.svg

377 ms

pagelink-newcom_pc.svg

pagelink-newcom_pc.svg

394 ms

pagelink-good_pc.svg

pagelink-good_pc.svg

399 ms

explanation.svg

explanation.svg

395 ms

triangle-orange_pc.svg

triangle-orange_pc.svg

397 ms

h2-icon.svg

h2-icon.svg

612 ms

h2-wave_pc.svg

h2-wave_pc.svg

614 ms

umab_top_ranking.png

umab_top_ranking.png

1537 ms

h2-icon_top.svg

h2-icon_top.svg

615 ms

h3-wave_pc.svg

h3-wave_pc.svg

616 ms

umabi_top1.png

umabi_top1.png

1601 ms

umab_top_2.png

umab_top_2.png

1352 ms

lalalalastar-thumbanil.png

lalalalastar-thumbanil.png

1539 ms

keiba-minutes-thumbnail.png

keiba-minutes-thumbnail.png

1749 ms

keiba-ichiban-boshi-thumbnail.png

keiba-ichiban-boshi-thumbnail.png

1418 ms

tebiki-thumbnail-2.png

tebiki-thumbnail-2.png

1745 ms

platinum-thumbnail.png

platinum-thumbnail.png

1603 ms

every-keiba-thumbnail.png

every-keiba-thumbnail.png

1918 ms

harem-keiba-thumbnail.png

harem-keiba-thumbnail.png

1932 ms

keibasiki-thumbnail.png

keibasiki-thumbnail.png

1791 ms

n-keibado-thumbnail.png

n-keibado-thumbnail.png

1787 ms

keiba-toruru-thumbnail.png

keiba-toruru-thumbnail.png

1950 ms

winner-thumbnail.png

winner-thumbnail.png

1955 ms

bakenchaya-thumbnail.png

bakenchaya-thumbnail.png

1987 ms

basou-no-itadaki-thumbnail.png

basou-no-itadaki-thumbnail.png

1993 ms

keiba-kotonara-thumbnail.png

keiba-kotonara-thumbnail.png

2113 ms

baxis_thumbnail.png

baxis_thumbnail.png

2135 ms

keiba-tocca-thumbnail-2.png

keiba-tocca-thumbnail-2.png

2006 ms

fa-solid-900.woff

fa-solid-900.woff

42 ms

fa-regular-400.woff

fa-regular-400.woff

98 ms

katsu-keiba-thumbnail.png

katsu-keiba-thumbnail.png

1998 ms

kurozika-thumbnail-1.png

kurozika-thumbnail-1.png

1976 ms

ninomae-thumbnail.png

ninomae-thumbnail.png

1979 ms

localkeiba-every-thumbnail.png

localkeiba-every-thumbnail.png

2105 ms

star-keiba-thumbnail.png

star-keiba-thumbnail.png

2129 ms

umaniki-thumbnail.png

umaniki-thumbnail.png

2174 ms

oyayubikeiba-thumbnail.png

oyayubikeiba-thumbnail.png

2117 ms

clarity.js

clarity.js

27 ms

keiba-sense-thumbnail.png

keiba-sense-thumbnail.png

1988 ms

yokodabi-thumbnail.png

yokodabi-thumbnail.png

1987 ms

i-horse-thumbnail.png

i-horse-thumbnail.png

2119 ms

neoskeiba-thumbanil.png

neoskeiba-thumbanil.png

2148 ms

reholab-thumbnail.png

reholab-thumbnail.png

2153 ms

keiba365-thumbnail.png

keiba365-thumbnail.png

1966 ms

sarabure-d-thumbnail.png

sarabure-d-thumbnail.png

1944 ms

manbaken-rush-thumbnail.png

manbaken-rush-thumbnail.png

1972 ms

keiba-tokusuru-thumbanil.png

keiba-tokusuru-thumbanil.png

2285 ms

100donpisya-gogo-thumbnail.png

100donpisya-gogo-thumbnail.png

1787 ms

keiba-no-thumbnail.png

keiba-no-thumbnail.png

1393 ms

enjoy-mylife-thumbnail.png

enjoy-mylife-thumbnail.png

1332 ms

umanama-thumbnail.png

umanama-thumbnail.png

1244 ms

keiba-yamato-thumbnail.png

keiba-yamato-thumbnail.png

1428 ms

uma-revo-tyhumbnail.png

uma-revo-tyhumbnail.png

1329 ms

kachiumakingdom-thumbnail.png

kachiumakingdom-thumbnail.png

1503 ms

start-fanfare-thumbnail.png

start-fanfare-thumbnail.png

1205 ms

umasera-thumbnail.png

umasera-thumbnail.png

1231 ms

ki-ri-n-thumbnail.png

ki-ri-n-thumbnail.png

1313 ms

urakaidou-thumbnail.png

urakaidou-thumbnail.png

1322 ms

tm-keiba-thumbnail.png

tm-keiba-thumbnail.png

1233 ms

umiles-thumbnail.png

umiles-thumbnail.png

1228 ms

umatchi-thumbnail.png

umatchi-thumbnail.png

1415 ms

keiba-programs-thumbnail.png

keiba-programs-thumbnail.png

1352 ms

orenokeiba-thumbnail.png

orenokeiba-thumbnail.png

1293 ms

uma-kuru-thumbnail.png

uma-kuru-thumbnail.png

1301 ms

ataru-thumbnail.png

ataru-thumbnail.png

1235 ms

keiba7-thumbnail.png

keiba7-thumbnail.png

1238 ms

hicchu-thumbnail.png

hicchu-thumbnail.png

1306 ms

uma-mill-thumbnail.png

uma-mill-thumbnail.png

1319 ms

sugoikeiba-thumbnail.png

sugoikeiba-thumbnail.png

1333 ms

uma-maru-thumbnail.png

uma-maru-thumbnail.png

1363 ms

keiba-nine-thumbnail.png

keiba-nine-thumbnail.png

1255 ms

kinunbakuage-thmbnail.png

kinunbakuage-thmbnail.png

1235 ms

katiuma-surprise-thumbnail.png

katiuma-surprise-thumbnail.png

1282 ms

power-kei-thumbnail.png

power-kei-thumbnail.png

1294 ms

million-thumbnail.png

million-thumbnail.png

1333 ms

uma-spin-thumbnail.png

uma-spin-thumbnail.png

1360 ms

k-babylon-thumbnail.png

k-babylon-thumbnail.png

1271 ms

kachi-uma-thumbnail.png

kachi-uma-thumbnail.png

1245 ms

arrow.png

arrow.png

1269 ms

search-border.svg

search-border.svg

1286 ms

recommend-sitelist_step1.svg

recommend-sitelist_step1.svg

1325 ms

recommend-sitelist_step2.svg

recommend-sitelist_step2.svg

1349 ms

recommend-sitelist_banner.svg

recommend-sitelist_banner.svg

1232 ms

rank-platina_back_pc.svg

rank-platina_back_pc.svg

1223 ms

rank-platina_text_pc.svg

rank-platina_text_pc.svg

1237 ms

rank-platina_card.svg

rank-platina_card.svg

1238 ms

com-white.svg

com-white.svg

1194 ms

com-black.svg

com-black.svg

1196 ms

writer-point.svg

writer-point.svg

1215 ms

green-official.svg

green-official.svg

1200 ms

green-official-hover.svg

green-official-hover.svg

1194 ms

blue-article.svg

blue-article.svg

1089 ms

blue-article-hover.svg

blue-article-hover.svg

1177 ms

rank-gold_back_pc.svg

rank-gold_back_pc.svg

1202 ms

rank-gold_text_pc.svg

rank-gold_text_pc.svg

1208 ms

rank-silver_back_pc.svg

rank-silver_back_pc.svg

1192 ms

rank-silver_text_pc.svg

rank-silver_text_pc.svg

1060 ms

rank-bronze_back_pc.svg

rank-bronze_back_pc.svg

1068 ms

rank-bronze_text_pc.svg

rank-bronze_text_pc.svg

1169 ms

tab-return.svg

tab-return.svg

1159 ms

tab-risk.svg

tab-risk.svg

1154 ms

tab-beginner.svg

tab-beginner.svg

1179 ms

tab-local.svg

tab-local.svg

1090 ms

tab-worry.svg

tab-worry.svg

1059 ms

green-official_mini.svg

green-official_mini.svg

1158 ms

green-official-hover_mini.svg

green-official-hover_mini.svg

1152 ms

blue-article_mini.svg

blue-article_mini.svg

1129 ms

blue-article-hover_mini.svg

blue-article-hover_mini.svg

1145 ms

nar-empero-thumbnail.png

nar-empero-thumbnail.png

1109 ms

catsearch-border.svg

catsearch-border.svg

1075 ms

umabi-kensyu.png

umabi-kensyu.png

1150 ms

tornado-horse_thumbnail-1.png

tornado-horse_thumbnail-1.png

1135 ms

umab_top_bad.png

umab_top_bad.png

1124 ms

umab_top_riter.png

umab_top_riter.png

1111 ms

line1_pc-300x88.png

line1_pc-300x88.png

1118 ms

line_message1.png

line_message1.png

1108 ms

banner_.png

banner_.png

1162 ms

line_tomodati_2.png

line_tomodati_2.png

1135 ms

qrcode.png

qrcode.png

1100 ms

ranking-free.svg

ranking-free.svg

1132 ms

oukan.svg

oukan.svg

1180 ms

ranking-com.svg

ranking-com.svg

1160 ms

ranking-hit.svg

ranking-hit.svg

1171 ms

ranking-recovery.svg

ranking-recovery.svg

1120 ms

keibayosousite_akushitu.png

keibayosousite_akushitu.png

1091 ms

keiba_win_thumbnail.png

keiba_win_thumbnail.png

1145 ms

instagram_yosouka_thumbnail.png

instagram_yosouka_thumbnail.png

1150 ms

top.svg

top.svg

1156 ms

site-list.svg

site-list.svg

1136 ms

excellent.svg

excellent.svg

1117 ms

ranking.svg

ranking.svg

1112 ms

column.svg

column.svg

1147 ms

recommend-sitelist_step3.svg

recommend-sitelist_step3.svg

1151 ms

arrow-gizagiza.png

arrow-gizagiza.png

1170 ms

c.gif

c.gif

7 ms

Accessibility Review

umabi.jp accessibility score

87

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

Links do not have a discernible name

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

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

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

umabi.jp best practices score

83

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

SEO Factors

umabi.jp SEO score

91

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

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 Umabi.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 Umabi.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

umabi.jp

Open Graph description is not detected on the main page of Umabi. 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: