Report Summary

  • 4

    Performance

    Renders faster than
    29% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 91

    SEO

    Google-friendlier than
    76% of websites

bsag.de

Bremer Straßenbahn AG | BSAG

Page Load Speed

2.9 sec in total

First Response

174 ms

Resources Loaded

2.6 sec

Page Rendered

140 ms

bsag.de screenshot

About Website

Welcome to bsag.de homepage info - get ready to check BSAG best content for Germany right away, or after learning these important things about bsag.de

Die Bremer Straßenbahn AG sorgt in Bremen mit 338 Fahrzeugen – moderne Straßenbahnen und Busse – täglich für Mobilität.

Visit bsag.de

Key Findings

We analyzed Bsag.de page load time and found that the first response time was 174 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

bsag.de performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value14.8 s

1/100

10%

TBT (Total Blocking Time)

Value4,350 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.79

5/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

projekte.html

174 ms

merged-e92329468b21890d5eb15b8e5bf88699.css

192 ms

merged-d68da4a3fc476c54dd562b557a99152f.js

448 ms

microsite.js

808 ms

merged-c18e5843d76eb9fc2ecaf8972b2ed048.js

805 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 94% of them (50 requests) were addressed to the original Bsag.de, 4% (2 requests) were made to Fahrplaner.vbn.de and 2% (1 request) were made to Fahrplaner.bsag.de. The less responsive or slowest element that took the longest time to load (808 ms) relates to the external source Fahrplaner.bsag.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (43%)

Content Size

2.6 MB

After Optimization

1.5 MB

In fact, the total size of Bsag.de main page is 2.6 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 41.3 kB

  • Original 49.7 kB
  • After minification 41.0 kB
  • After compression 8.4 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. This page needs HTML code to be minified as it can gain 8.6 kB, which is 17% 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 41.3 kB or 83% of the original size.

Image Optimization

-4%

Potential reduce by 55.3 kB

  • Original 1.3 MB
  • After minification 1.2 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. BSAG images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 602.8 kB

  • Original 800.2 kB
  • After minification 710.6 kB
  • After compression 197.3 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 602.8 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 448.2 kB

  • Original 522.3 kB
  • After minification 446.6 kB
  • After compression 74.2 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. Bsag.de needs all CSS files to be minified and compressed as it can save up to 448.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (28%)

Requests Now

50

After Optimization

36

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BSAG. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bsag.de accessibility score

82

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

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

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.

Best Practices

bsag.de 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

bsag.de 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

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bsag.de 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 Bsag.de 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 BSAG. 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: