Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

nekomanga.org

GitHub - CarlosEsco/Neko: Free, open source, unofficial MangaDex reader for Android

Page Load Speed

2.4 sec in total

First Response

122 ms

Resources Loaded

1.5 sec

Page Rendered

755 ms

nekomanga.org screenshot

About Website

Click here to check amazing Neko Manga content for United States. Otherwise, check out these important facts you probably never knew about nekomanga.org

Free, open source, unofficial MangaDex reader for Android - GitHub - CarlosEsco/Neko: Free, open source, unofficial MangaDex reader for Android

Visit nekomanga.org

Key Findings

We analyzed Nekomanga.org page load time and found that the first response time was 122 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

nekomanga.org performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value550 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

nekomanga.org

122 ms

Neko

455 ms

light-5178aee0ee76.css

296 ms

dark-217d4f9c8e70.css

291 ms

primer-e1b46f4d01ea.css

395 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Nekomanga.org, 70% (45 requests) were made to Github.githubassets.com and 19% (12 requests) were made to Avatars.githubusercontent.com. The less responsive or slowest element that took the longest time to load (944 ms) relates to the external source Camo.githubusercontent.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 397.9 kB (67%)

Content Size

592.6 kB

After Optimization

194.7 kB

In fact, the total size of Nekomanga.org main page is 592.6 kB. 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. CSS take 310.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 189.5 kB

  • Original 226.6 kB
  • After minification 215.3 kB
  • After compression 37.1 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 189.5 kB or 84% of the original size.

Image Optimization

-24%

Potential reduce by 13.5 kB

  • Original 55.6 kB
  • After minification 42.1 kB

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, Neko Manga needs image optimization as it can save up to 13.5 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-63%

Potential reduce by 195.0 kB

  • Original 310.5 kB
  • After minification 305.3 kB
  • After compression 115.5 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. Nekomanga.org needs all CSS files to be minified and compressed as it can save up to 195.0 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (77%)

Requests Now

62

After Optimization

14

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Neko Manga. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nekomanga.org accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

nekomanga.org 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

High

Page has valid source maps

SEO Factors

nekomanga.org SEO score

84

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nekomanga.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Nekomanga.org 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 Neko Manga. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: