Report Summary

  • 21

    Performance

    Renders faster than
    40% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

sa-trackandsignal.net

SA Track and Signal // Australian railway track and signal drawings and signal locations

Page Load Speed

6.2 sec in total

First Response

1.2 sec

Resources Loaded

4.6 sec

Page Rendered

403 ms

sa-trackandsignal.net screenshot

About Website

Visit sa-trackandsignal.net now to see the best up-to-date SA Track And Signal content and also check out these interesting facts you probably never knew about sa-trackandsignal.net

Australian railway track and signal drawings and signal locations

Visit sa-trackandsignal.net

Key Findings

We analyzed Sa-trackandsignal.net page load time and found that the first response time was 1.2 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sa-trackandsignal.net performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

sa-trackandsignal.net

1209 ms

sa-trackandsignal.net

1832 ms

css

29 ms

style.css

606 ms

normalize.min.css

605 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 80% of them (20 requests) were addressed to the original Sa-trackandsignal.net, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Sa-trackandsignal.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 921.9 kB (40%)

Content Size

2.3 MB

After Optimization

1.4 MB

In fact, the total size of Sa-trackandsignal.net main page is 2.3 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. 15% of websites need less resources to load. HTML takes 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 853.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 291.7 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. 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 853.0 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 11.7 kB

  • Original 1.0 MB
  • After minification 1.0 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. SA Track And Signal images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 42.3 kB

  • Original 82.1 kB
  • After minification 77.5 kB
  • After compression 39.8 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 42.3 kB or 52% of the original size.

CSS Optimization

-77%

Potential reduce by 14.9 kB

  • Original 19.5 kB
  • After minification 15.6 kB
  • After compression 4.6 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. Sa-trackandsignal.net needs all CSS files to be minified and compressed as it can save up to 14.9 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SA Track And Signal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sa-trackandsignal.net accessibility score

78

Accessibility Issues

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

Buttons do not have an accessible name

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

sa-trackandsignal.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

sa-trackandsignal.net SEO score

83

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

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sa-trackandsignal.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Sa-trackandsignal.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 SA Track And Signal. 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: