Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

aotonline.net

AOT Online

Page Load Speed

10.1 sec in total

First Response

482 ms

Resources Loaded

9 sec

Page Rendered

531 ms

aotonline.net screenshot

About Website

Welcome to aotonline.net homepage info - get ready to check AOT Online best content right away, or after learning these important things about aotonline.net

Visit aotonline.net

Key Findings

We analyzed Aotonline.net page load time and found that the first response time was 482 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

aotonline.net performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.304

39/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

aotonline.net

482 ms

index.php

636 ms

jquery-ui-1.8.18.custom.css

770 ms

skin.css

524 ms

jquery-1.7.2.min.js

1253 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 97% of them (72 requests) were addressed to the original Aotonline.net, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (5.8 sec) belongs to the original domain Aotonline.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 496.1 kB (10%)

Content Size

5.2 MB

After Optimization

4.7 MB

In fact, the total size of Aotonline.net main page is 5.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 28.6 kB

  • Original 36.3 kB
  • After minification 29.2 kB
  • After compression 7.7 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. This page needs HTML code to be minified as it can gain 7.1 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 28.6 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 182.8 kB

  • Original 4.8 MB
  • After minification 4.6 MB

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. AOT Online images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 221.9 kB

  • Original 326.4 kB
  • After minification 319.9 kB
  • After compression 104.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 221.9 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 62.7 kB

  • Original 75.0 kB
  • After minification 50.8 kB
  • After compression 12.3 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. Aotonline.net needs all CSS files to be minified and compressed as it can save up to 62.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (23%)

Requests Now

69

After Optimization

53

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AOT Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

aotonline.net accessibility score

42

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

aotonline.net best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

aotonline.net SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

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 Aotonline.net 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 Aotonline.net 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 description is not detected on the main page of AOT Online. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: