Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

aishub.net

Free AIS vessel tracking | AIS data exchange | JSON/XML ship positions

Page Load Speed

3.1 sec in total

First Response

389 ms

Resources Loaded

2.4 sec

Page Rendered

227 ms

aishub.net screenshot

About Website

Welcome to aishub.net homepage info - get ready to check AIS Hub best content for Ukraine right away, or after learning these important things about aishub.net

AISHub is a FREE AIS data sharing service which provides access to real time ship positions for vessel tracking systems.

Visit aishub.net

Key Findings

We analyzed Aishub.net page load time and found that the first response time was 389 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

aishub.net performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

35/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

aishub.net

389 ms

www.aishub.net

422 ms

bootstrap.min.css

197 ms

main.css

192 ms

responsive.css

206 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 70% of them (56 requests) were addressed to the original Aishub.net, 6% (5 requests) were made to Pagead2.googlesyndication.com and 6% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (660 ms) belongs to the original domain Aishub.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 906.9 kB (55%)

Content Size

1.7 MB

After Optimization

745.5 kB

In fact, the total size of Aishub.net main page is 1.7 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. 65% of websites need less resources to load. Javascripts take 820.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.7 kB

  • Original 24.5 kB
  • After minification 16.8 kB
  • After compression 4.8 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 7.7 kB, which is 31% 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 19.7 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 43.5 kB

  • Original 423.4 kB
  • After minification 379.9 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. AIS Hub images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 518.7 kB

  • Original 820.7 kB
  • After minification 791.5 kB
  • After compression 302.0 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 518.7 kB or 63% of the original size.

CSS Optimization

-85%

Potential reduce by 325.1 kB

  • Original 383.8 kB
  • After minification 308.1 kB
  • After compression 58.8 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. Aishub.net needs all CSS files to be minified and compressed as it can save up to 325.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (78%)

Requests Now

72

After Optimization

16

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AIS Hub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

aishub.net accessibility score

77

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

aishub.net best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

aishub.net SEO score

93

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aishub.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 Aishub.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 AIS Hub. 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: