Nagatorosan.jp Site Title

TVアニメ「イジらないで、長瀞さん 2nd Attack」公式サイト

Nagatorosan.jp Meta Description

TVアニメ「イジらないで、長瀞さん 2nd Attack」2023年1月放送!

Nagatorosan.jp Test Results

Nagatorosan.jp Mobile Performance: 49/100
Quick overview:
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Serve images in next-gen formats. Potential savings of 1,985 KB
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.
Enable text compression. Potential savings of 154 KB
Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes. Learn more.
Efficiently encode images. Potential savings of 550 KB
Optimized images load faster and consume less cellular data. Learn more.
Eliminate render-blocking resources. Potential savings of 2,140 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.
Properly size images. Potential savings of 289 KB
Serve images that are appropriately-sized to save cellular data and improve load time. Learn more.
Remove unused CSS. Potential savings of 108 KB
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.
Avoid multiple page redirects. Potential savings of 1,260 ms
Redirects introduce additional delays before the page can be loaded. Learn more.
Remove unused JavaScript. Potential savings of 100 KB
Remove unused JavaScript to reduce bytes consumed by network activity. Learn more.
Minify CSS. Potential savings of 27 KB
Minifying CSS files can reduce network payload sizes. Learn more.
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Serve static assets with an efficient cache policy
26 resources found
A long cache lifetime can speed up repeat visits to your page. Learn more.
Minimize main-thread work
3.0 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn more
Avoid enormous network payloads
Total size was 3,237 KB
Large network payloads cost users real money and are highly correlated with long load times. Learn more.
JavaScript execution time
1.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn more.
Largest Contentful Paint element
1 element found
This is the element that was identified as the Largest Contentful Paint. Learn More
Avoid large layout shifts
5 elements found
These DOM elements contribute most to the CLS of the page.
Avoid chaining critical requests
7 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
51 requests • 3,237 KB
To set budgets for the quantity and size of page resources, add a budget.json file. Learn more.

Nagatorosan.jp Mobile SEO: 100/100
Quick overview:

Nagatorosan.jp Mobile Best Practices: 77/100
Quick overview:
Trust and Safety
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.
Does not use HTTPS
2 insecure requests 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.
Nagatorosan.jp Mobile Progressive Web App: 50/100
Quick overview:
PWA Optimized
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
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.
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.
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.
Installable
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.
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.
Does not use HTTPS
2 insecure requests 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.
Nagatorosan.jp Mobile Accessibility: 91/100
Quick overview:
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.
Links do not have a discernible name
Link text (and alternate text for images, when used as links) that is discernible, unique, and focusable improves the navigation experience for screen reader users. Learn more.
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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