vspo.jp - ぶいすぽっ！

Vspo.jp Site Title

ぶいすぽっ！ | 公式サイト

Vspo.jp Meta Description

「ぶいすぽっ！」とはゲームに本気で取り組むメンバーが集まってeSports の良さを広げていく、次世代 Virtual eSports プロジェクトです。

Vspo.jp Test Results

Vspo.jp Mobile Performance: 28/100

Quick overview:

Opportunities

These suggestions can help your page load faster. They don't directly affect the Performance score.

Properly size images. Potential savings of 7,849 KiB

Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.

Serve images in next-gen formats. Potential savings of 7,574 KiB

Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption. Learn more.

Efficiently encode images. Potential savings of 1,037 KiB

Optimized images load faster and consume less cellular data. Learn more.

Eliminate render-blocking resources. Potential savings of 4,790 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles. Learn more.

Remove unused CSS. Potential savings of 133 KiB

Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity. Learn more.

Reduce initial server response time. Root document took 620 ms

Keep the server response time for the main document short because all other requests depend on it. Learn more.

Remove unused JavaScript. Potential savings of 26 KiB

Remove unused JavaScript to reduce bytes consumed by network activity. Learn more.

Diagnostics

More information about the performance of your application. These numbers don't directly affect the Performance score.

Does not use passive listeners to improve scrolling performance

Consider marking your touch and wheel event listeners as `passive` to improve your page's scroll performance. Learn more.

Serve static assets with an efficient cache policy

21 resources found

A long cache lifetime can speed up repeat visits to your page. Learn more.

Avoid enormous network payloads

Total size was 10,579 KiB

Large network payloads cost users real money and are highly correlated with long load times. Learn more.

Minimize main-thread work

2.4 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more

Avoid large layout shifts

5 elements found

These DOM elements contribute most to the CLS of the page.

Avoid long main-thread tasks

8 long tasks found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay. Learn more

Avoid chaining critical requests

32 chains found

The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load. Learn more.

Keep request counts low and transfer sizes small

56 requests • 10,579 KiB

To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Largest Contentful Paint element

1 element found

This is the largest contentful element painted within the viewport. Learn More

Vspo.jp Mobile SEO: 100/100

Quick overview:

Vspo.jp Mobile Best Practices: 71/100

Quick overview:

General

Browser errors were logged to the console

Errors logged to the console indicate unresolved problems. They can come from network request failures and other browser concerns. Learn more

Trust and Safety

Does not use HTTPS

1 insecure request found

All sites should be protected with HTTPS, even ones that don't handle sensitive data. This includes avoiding mixed content, where some resources are loaded over HTTP despite the initial request being servedover HTTPS. HTTPS prevents intruders from tampering with or passively listening in on the communications between your app and your users, and is a prerequisite for HTTP/2 and many new web platform APIs. Learn more.

Includes front-end JavaScript libraries with known security vulnerabilities

4 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers. Learn more.

Links to cross-origin destinations are unsafe

Add `rel="noopener"` or `rel="noreferrer"` to any external links to improve performance and prevent security vulnerabilities. Learn more.

Vspo.jp Mobile Progressive Web App: 18/100

Quick overview:

PWA Optimized

Content is not sized correctly for the viewport

If the width of your app's content doesn't match the width of the viewport, your app might not be optimized for mobile screens. Learn more. The viewport size of 376px does not match the window size of 360px.

Manifest doesn't have a maskable icon

A maskable icon ensures that the image fills the entire shape without being letterboxed when installing the app on a device. Learn more. No manifest was fetched

Does not provide a valid `apple-touch-icon`

For ideal appearance on iOS when users add a progressive web app to the home screen, define an `apple-touch-icon`. It must point to a non-transparent 192px (or 180px) square PNG. Learn More.

Does not set a theme color for the address bar.

The browser address bar can be themed to match your site. Learn more. Failures: No manifest was fetched, No `<meta name="theme-color">` tag found.

Is not configured for a custom splash screen

A themed splash screen ensures a high-quality experience when users launch your app from their homescreens. Learn more. Failures: No manifest was fetched.

Fast and reliable

Current page does not respond with a 200 when offline

If you're building a Progressive Web App, consider using a service worker so that your app can work offline. Learn more.

`start_url` does not respond with a 200 when offline

A service worker enables your web app to be reliable in unpredictable network conditions. Learn more. No usable web app manifest found on page.

Page load is not fast enough on mobile networks

Interactive at 28.6 s

A fast page load over a cellular network ensures a good mobile user experience. Learn more. Your page loads too slowly and is not interactive within 10 seconds. Look at the opportunities and diagnostics in the "Performance" section to learn how to improve.

Installable

Does not use HTTPS

1 insecure request found

Does not register a service worker that controls page and `start_url`

The service worker is the technology that enables your app to use many Progressive Web App features, such as offline, add to homescreen, and push notifications. Learn more.

Web app manifest does not meet the installability requirements

Browsers can proactively prompt users to add your app to their homescreen, which can lead to higher engagement. Learn more. Failures: No manifest was fetched.

Vspo.jp Mobile Accessibility: 97/100

Quick overview:

Contrast

These are opportunities to improve the legibility of your content.

Background and foreground colors do not have a sufficient contrast ratio.

Low-contrast text is difficult or impossible for many users to read. Learn more.

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