ab9il.net - AB9IL.net Home

Ab9il.net Site Title

AB9IL.net Home

Ab9il.net Meta Description

AB9IL.net carries articles about software defined radio and performance tweaks for Linux, Windows 10, and Windows 11. There is also a bit of content about aviation, defeating censorship, and ending autocracy in the world.

Ab9il.net Test Results

Ab9il.net Mobile Performance: 7/100

Quick overview:

Opportunities

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

Remove unused JavaScript. Potential savings of 369 KiB

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

Remove unused CSS. Potential savings of 91 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 880 ms

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

Diagnostics

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

Ensure text remains visible during webfont load

Leverage the font-display CSS feature to ensure text is user-visible while webfonts are loading. Learn more.

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.

Reduce the impact of third-party code

Third-party code blocked the main thread for 4,160 ms

Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading. Learn more.

Minimize main-thread work

8.8 s

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

Reduce JavaScript execution time

6.5 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 3,809 KiB

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

Keep request counts low and transfer sizes small

70 requests • 3,809 KiB

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

Avoid long main-thread tasks

18 long tasks found

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

User Timing marks and measures

24 user timings

Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences. Learn more.

Avoid chaining critical requests

1 chain 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.

Largest Contentful Paint element

1 element found

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

Ab9il.net Mobile SEO: 92/100

Quick overview:

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Document does not have a meta description

Meta descriptions may be included in search results to concisely summarize page content. Learn more. Description text is empty.

Ab9il.net Mobile Best Practices: 85/100

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.

Ab9il.net Mobile Progressive Web App: 18/100

Quick overview:

PWA Optimized

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.

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 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.

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 908px does not match the window size of 360px.

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.

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

1 insecure request 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.

Page load is not fast enough on mobile networks

Interactive at 27.1 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.

Ab9il.net Mobile Accessibility: 60/100

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.

`<frame>` or `<iframe>` elements do not have a title

Screen reader users rely on frame titles to describe the contents of frames. Learn more.

Best practices

These items highlight common accessibility best practices.

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.

Disabling zooming is problematic for users with low vision who rely on screen magnification to properly see the contents of a web page. Learn more.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

`<html>` element does not have a `[lang]` attribute

If a page doesn't specify a lang attribute, a screen reader assumes that the page is in the default language that the user chose when setting up the screen reader. If the page isn't actually in the default language, then the screen reader might not announce the page's text correctly. Learn more.

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