Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

trains.im

trains.im

Page Load Speed

1.3 sec in total

First Response

304 ms

Resources Loaded

872 ms

Page Rendered

97 ms

trains.im screenshot

About Website

Visit trains.im now to see the best up-to-date Trains content for Japan and also check out these interesting facts you probably never knew about trains.im

trains.im - Open National Rail times. See arrivals and departures, train information, and route maps for trains throughout Great Britain.

Visit trains.im

Key Findings

We analyzed Trains.im page load time and found that the first response time was 304 ms and then it took 969 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

trains.im performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value4.1 s

78/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

trains.im

304 ms

bootstrap.min.css

186 ms

datepicker.css

161 ms

layout.css

168 ms

leaflet.css

178 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 89% of them (17 requests) were addressed to the original Trains.im, 11% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (364 ms) belongs to the original domain Trains.im.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.8 kB (69%)

Content Size

434.8 kB

After Optimization

133.0 kB

In fact, the total size of Trains.im main page is 434.8 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. 25% of websites need less resources to load. Javascripts take 273.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 6.3 kB

  • Original 8.6 kB
  • After minification 8.2 kB
  • After compression 2.4 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 6.3 kB or 72% of the original size.

Image Optimization

-9%

Potential reduce by 1.4 kB

  • Original 15.3 kB
  • After minification 13.9 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. Trains images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 179.7 kB

  • Original 273.1 kB
  • After minification 266.0 kB
  • After compression 93.4 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 179.7 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 114.5 kB

  • Original 137.8 kB
  • After minification 130.8 kB
  • After compression 23.3 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. Trains.im needs all CSS files to be minified and compressed as it can save up to 114.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (61%)

Requests Now

18

After Optimization

7

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trains. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

trains.im accessibility score

71

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.

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

Form elements do not have associated labels

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

trains.im best practices score

75

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

trains.im SEO score

92

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 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 Trains.im 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 Trains.im 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 Trains. 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: