Tools & Wizards About Us
bls.ch screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

bls.ch

BLS connects. | Train, bus, boat & car transport

Page Load Speed

2.5 sec in total

First Response

419 ms

Resources Loaded

2 sec

Page Rendered

119 ms

bls.ch screenshot

About Website

Visit bls.ch now to see the best up-to-date BLS content for Switzerland and also check out these interesting facts you probably never knew about bls.ch

We operate commuter and leisure routes as well as freight service by rail, bus, navigation service and car transport service within the BLS catchment area.

Visit bls.ch

Key Findings

We analyzed Bls.ch page load time and found that the first response time was 419 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

bls.ch performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value4,610 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.221

56/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

bls.ch

419 ms

index.php

140 ms

code.js

111 ms

jquery.js

346 ms

jquery.simplemodal-1.4.1.js

228 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 78% of them (29 requests) were addressed to the original Bls.ch, 8% (3 requests) were made to Google-analytics.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (554 ms) belongs to the original domain Bls.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.3 kB (46%)

Content Size

929.7 kB

After Optimization

497.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bls.ch main page is 929.7 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. 35% of websites need less resources to load. Javascripts take 472.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 29.2 kB

  • Original 36.0 kB
  • After minification 31.9 kB
  • After compression 6.9 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 4.1 kB, which is 11% 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 29.2 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 9.4 kB

  • Original 377.3 kB
  • After minification 367.9 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. BLS images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 356.9 kB

  • Original 472.2 kB
  • After minification 341.5 kB
  • After compression 115.3 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 356.9 kB or 76% of the original size.

CSS Optimization

-83%

Potential reduce by 36.8 kB

  • Original 44.2 kB
  • After minification 35.2 kB
  • After compression 7.4 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. Bls.ch needs all CSS files to be minified and compressed as it can save up to 36.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (62%)

Requests Now

34

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BLS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bls.ch

bls.ch

419 ms

index.php

index.php

140 ms

code.js

code.js

111 ms

jquery.js

jquery.js

346 ms

jquery.simplemodal-1.4.1.js

jquery.simplemodal-1.4.1.js

228 ms

basic.js

basic.js

222 ms

main-homepage.css

main-homepage.css

226 ms

main.css

main.css

222 ms

main0.css

main0.css

223 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

448 ms

jssor.js

jssor.js

463 ms

jssor.slider.js

jssor.slider.js

466 ms

shadow.gif

shadow.gif

115 ms

bls-logo.gif

bls-logo.gif

114 ms

navi-bg.gif

navi-bg.gif

116 ms

navi-linie.gif

navi-linie.gif

204 ms

listpoint.gif

listpoint.gif

204 ms

slider-bahn-blauerpfeil-foodbattle.jpg

slider-bahn-blauerpfeil-foodbattle.jpg

491 ms

slider-ausflug-goldenpassclassic.jpg

slider-ausflug-goldenpassclassic.jpg

442 ms

slider-ferien-interrail.jpg

slider-ferien-interrail.jpg

441 ms

slider-schiff-mittagsschiff1.jpg

slider-schiff-mittagsschiff1.jpg

554 ms

slider-loetschberger-fruehlingsaktion.jpg

slider-loetschberger-fruehlingsaktion.jpg

516 ms

button-fahrplan-schwarz-d.gif

button-fahrplan-schwarz-d.gif

301 ms

teaser-6.png

teaser-6.png

409 ms

loading.gif

loading.gif

414 ms

b05.png

b05.png

446 ms

spalte-gruen-230px.gif

spalte-gruen-230px.gif

447 ms

shadowbottom.gif

shadowbottom.gif

490 ms

gtm.js

gtm.js

64 ms

analytics.js

analytics.js

21 ms

conversion_async.js

conversion_async.js

63 ms

collect

collect

11 ms

collect

collect

64 ms

31 ms

58 ms

print.css

print.css

112 ms

collect

collect

12 ms

Accessibility Review

bls.ch accessibility score

63

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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>).

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

bls.ch 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

bls.ch SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bls.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Bls.ch main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

bls.ch

Open Graph description is not detected on the main page of BLS. 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: