Tools & Wizards About Us
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Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

apilevels.com

API Levels | Android versions, SDK/API levels, version codes, codenames, and cumulative usage

Page Load Speed

651 ms in total

First Response

48 ms

Resources Loaded

441 ms

Page Rendered

162 ms

apilevels.com screenshot

About Website

Visit apilevels.com now to see the best up-to-date API Levels content for Indonesia and also check out these interesting facts you probably never knew about apilevels.com

A quick reference table of Android versions with SDK & API levels, version codes, codenames, cumulative usage, and more.

Visit apilevels.com

Key Findings

We analyzed Apilevels.com page load time and found that the first response time was 48 ms and then it took 603 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

apilevels.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

apilevels.com

48 ms

main.css

20 ms

latest.js

362 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that 67% of them (2 requests) were addressed to the original Apilevels.com, 33% (1 request) were made to Si.apilevels.com. The less responsive or slowest element that took the longest time to load (362 ms) relates to the external source Si.apilevels.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.2 kB (66%)

Content Size

24.4 kB

After Optimization

8.2 kB

  • HTML
  • JavaScript

In fact, the total size of Apilevels.com main page is 24.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 20.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.1 kB

  • Original 20.6 kB
  • After minification 20.6 kB
  • After compression 4.5 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 16.1 kB or 78% of the original size.

JavaScript Optimization

-2%

Potential reduce by 85 B

  • Original 3.8 kB
  • After minification 3.8 kB
  • After compression 3.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of API Levels. According to our analytics all requests are already optimized.

Network Requests Diagram

apilevels.com

apilevels.com

48 ms

main.css

main.css

20 ms

latest.js

latest.js

362 ms

Accessibility Review

apilevels.com accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

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

Impact

Issue

High

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

Best Practices

apilevels.com 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

High

Page has valid source maps

SEO Factors

apilevels.com SEO score

92

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Apilevels.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Apilevels.com 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

apilevels.com

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