Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

alptransit.ch

Die Nord-Süd-Achse Gotthard | SBB

Page Load Speed

6.5 sec in total

First Response

471 ms

Resources Loaded

5.8 sec

Page Rendered

226 ms

alptransit.ch screenshot

About Website

Welcome to alptransit.ch homepage info - get ready to check Alptransit best content for Switzerland right away, or after learning these important things about alptransit.ch

Der 2016 eröffnete Gotthard Basistunnel (GBT) ist mit 57 Kilometern der längste Eisenbahntunnel der Welt. Zusammen mit dem Ceneri-Basistunnel, welcher im Dezember 2020 in Betrieb ging, wurde die neuen...

Visit alptransit.ch

Key Findings

We analyzed Alptransit.ch page load time and found that the first response time was 471 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

alptransit.ch performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value3.3 s

91/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

alptransit.ch

471 ms

362 ms

merged-aa925cb7b2cea82fcf398f99eb19afbb-321636449de84d3eac8afdc9b6760163.css.1453805643.gzip

1254 ms

css

61 ms

merged-5f1b22e005fd5312edafc09440d14fe7-ad975794060a1128e96268c4f3f97f5b.js.1445608784.gzip

544 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 71% of them (12 requests) were addressed to the original Alptransit.ch, 12% (2 requests) were made to Google-analytics.com and 6% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Alptransit.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 301.8 kB (44%)

Content Size

691.8 kB

After Optimization

390.1 kB

In fact, the total size of Alptransit.ch main page is 691.8 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. Only 5% of websites need less resources to load. Images take 327.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 22.5 kB

  • Original 28.7 kB
  • After minification 24.4 kB
  • After compression 6.2 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 4.3 kB, which is 15% 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 22.5 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 22.4 kB

  • Original 327.5 kB
  • After minification 305.1 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. Alptransit images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 63.8 kB

  • Original 105.4 kB
  • After minification 102.9 kB
  • After compression 41.6 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 63.8 kB or 61% of the original size.

CSS Optimization

-84%

Potential reduce by 193.1 kB

  • Original 230.3 kB
  • After minification 226.0 kB
  • After compression 37.2 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. Alptransit.ch needs all CSS files to be minified and compressed as it can save up to 193.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (21%)

Requests Now

14

After Optimization

11

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alptransit. 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 as a result speed up the page load time.

Accessibility Review

alptransit.ch accessibility score

89

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

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

alptransit.ch 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

alptransit.ch SEO score

81

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alptransit.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Alptransit.ch 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 Alptransit. 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: