Tools & Wizards About Us

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12月］

Page Load Speed

16.2 sec in total

First Response

583 ms

Resources Loaded

8.2 sec

Page Rendered

7.4 sec

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

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

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: