Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ultrabooker.jp

男性向けおすすめパパ活アプリ比較!男が損しない遊び方とサイトの選び方|Papa活上級ガイド

Page Load Speed

7.3 sec in total

First Response

540 ms

Resources Loaded

4.3 sec

Page Rendered

2.4 sec

ultrabooker.jp screenshot

About Website

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

2025年12月におすすめのパパ活アプリTOP3&パパ活サイトTOP3を公開中!初心者男性でも失敗しない、可愛い素人女子とお楽しみできるマル秘テクニックをご紹介します。現役p活女子と上級パパ男性によるリアルなコメント付きで解説。既婚者でもリスクなく遊べる方法を教えます。

Visit ultrabooker.jp

Key Findings

We analyzed Ultrabooker.jp page load time and found that the first response time was 540 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ultrabooker.jp performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value3,050 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

ultrabooker.jp

540 ms

ultrabooker.jp

1304 ms

logo.svg

411 ms

logoIcon.svg

651 ms

mv.jpg

782 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 94% of them (64 requests) were addressed to the original Ultrabooker.jp, 6% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Ultrabooker.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 319.5 kB (12%)

Content Size

2.7 MB

After Optimization

2.4 MB

In fact, the total size of Ultrabooker.jp main page is 2.7 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. 55% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 314.9 kB

  • Original 408.5 kB
  • After minification 407.6 kB
  • After compression 93.6 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 314.9 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 4.6 kB

  • Original 2.3 MB
  • After minification 2.3 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. Ultrabooker images are well optimized though.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 12.7 kB
  • After minification 12.7 kB
  • After compression 12.7 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. Ultrabooker.jp has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

63

After Optimization

63

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ultrabooker. According to our analytics all requests are already optimized.

Accessibility Review

ultrabooker.jp accessibility score

98

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.

Best Practices

ultrabooker.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ultrabooker.jp SEO score

100

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

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