Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

bos-fahrzeuge.info

BOS-Fahrzeuge - Einsatzfahrzeuge und Wachen weltweit

Page Load Speed

9.4 sec in total

First Response

200 ms

Resources Loaded

8.8 sec

Page Rendered

384 ms

About Website

Welcome to bos-fahrzeuge.info homepage info - get ready to check BOS Fahrzeuge best content for Serbia right away, or after learning these important things about bos-fahrzeuge.info

bos-fahrzeuge.info ist eine Bilddatenbank für Einsatzfahrzeuge aus den Bereichen Feuerwehr, Rettungsdienst, Polizei, SEG/KATS, eine Fotocommunity und Wachendatenbank.

Visit bos-fahrzeuge.info

Key Findings

We analyzed Bos-fahrzeuge.info page load time and found that the first response time was 200 ms and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

bos-fahrzeuge.info performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value23.8 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value1,640 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value16.4 s

5/100

10%

Network Requests Diagram

bos-fahrzeuge.info

200 ms

bos-fahrzeuge.info

1408 ms

app.css

714 ms

screen.vehicle.css

814 ms

screen.post.css

913 ms

Our browser made a total of 222 requests to load all elements on the main page. We found that 6% of them (13 requests) were addressed to the original Bos-fahrzeuge.info, 67% (148 requests) were made to Files.bos-fahrzeuge.info and 9% (21 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Files.bos-fahrzeuge.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (3%)

Content Size

38.4 MB

After Optimization

37.3 MB

In fact, the total size of Bos-fahrzeuge.info main page is 38.4 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. Only a small number of websites need less resources to load. Images take 36.7 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 362.3 kB

  • Original 411.5 kB
  • After minification 365.4 kB
  • After compression 49.2 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 46.1 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 362.3 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 56.2 kB

  • Original 36.7 MB
  • After minification 36.6 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. BOS Fahrzeuge images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 673.9 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 614.7 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 673.9 kB or 52% of the original size.

CSS Optimization

-83%

Potential reduce by 48.5 kB

  • Original 58.3 kB
  • After minification 44.5 kB
  • After compression 9.8 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. Bos-fahrzeuge.info needs all CSS files to be minified and compressed as it can save up to 48.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (19%)

Requests Now

220

After Optimization

179

The browser has sent 220 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BOS Fahrzeuge. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bos-fahrzeuge.info accessibility score

84

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

bos-fahrzeuge.info best practices score

67

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

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bos-fahrzeuge.info SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bos-fahrzeuge.info can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Bos-fahrzeuge.info 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 BOS Fahrzeuge. 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: