Tools & Wizards About Us
arpa.ch screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

arpa.ch

Gutenberg trifft eBook | Arpa Data GmbH - powered by cloudrexx

Page Load Speed

3.7 sec in total

First Response

790 ms

Resources Loaded

2.8 sec

Page Rendered

146 ms

arpa.ch screenshot

About Website

Click here to check amazing Arpa content. Otherwise, check out these important facts you probably never knew about arpa.ch

Wir, die ARPA Data GmbH hat sich auf die Entwicklung von Informationssystemen spezialisiert.

Visit arpa.ch

Key Findings

We analyzed Arpa.ch page load time and found that the first response time was 790 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

arpa.ch performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

790 ms

style.css

235 ms

list-rotator.css

344 ms

jquery.includeMany-1.2.2.min.js

228 ms

jquery-1.4.2.js

281 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Arpa.ch and no external sources were called. The less responsive or slowest element that took the longest time to load (790 ms) belongs to the original domain Arpa.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 175.2 kB (20%)

Content Size

896.9 kB

After Optimization

721.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arpa.ch main page is 896.9 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. 20% of websites need less resources to load. Images take 615.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 148.6 kB

  • Original 205.8 kB
  • After minification 200.3 kB
  • After compression 57.2 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. 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 148.6 kB or 72% of the original size.

Image Optimization

-1%

Potential reduce by 4.7 kB

  • Original 615.7 kB
  • After minification 611.0 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. Arpa images are well optimized though.

JavaScript Optimization

-32%

Potential reduce by 19.0 kB

  • Original 60.3 kB
  • After minification 59.8 kB
  • After compression 41.3 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 19.0 kB or 32% of the original size.

CSS Optimization

-19%

Potential reduce by 2.9 kB

  • Original 15.2 kB
  • After minification 15.2 kB
  • After compression 12.3 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. Arpa.ch needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (56%)

Requests Now

32

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Arpa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

790 ms

style.css

style.css

235 ms

list-rotator.css

list-rotator.css

344 ms

jquery.includeMany-1.2.2.min.js

jquery.includeMany-1.2.2.min.js

228 ms

jquery-1.4.2.js

jquery-1.4.2.js

281 ms

maxheight.js

maxheight.js

320 ms

jquery.cookie.js

jquery.cookie.js

312 ms

jquery-list-rotator.min.js

jquery-list-rotator.min.js

313 ms

list-rotator.js

list-rotator.js

355 ms

modules_5_0_2.css

modules_5_0_2.css

375 ms

layout.css

layout.css

289 ms

layout_home.css

layout_home.css

317 ms

modules.css

modules.css

320 ms

head.png

head.png

312 ms

search_icon.gif

search_icon.gif

99 ms

button_right_global.gif

button_right_global.gif

100 ms

button_left_global.gif

button_left_global.gif

100 ms

nav_bg.gif

nav_bg.gif

99 ms

level_1_header_Active_bg.gif

level_1_header_Active_bg.gif

99 ms

level_1_header_border.gif

level_1_header_border.gif

196 ms

bg_slotgroupservices-topleft.gif

bg_slotgroupservices-topleft.gif

223 ms

bg_spacer.gif

bg_spacer.gif

196 ms

feed_xml.gif

feed_xml.gif

222 ms

starter_bottom_curve.png

starter_bottom_curve.png

197 ms

frame_top_curve.jpg

frame_top_curve.jpg

439 ms

footer_bg.gif

footer_bg.gif

345 ms

ui.js

ui.js

279 ms

ShieldHalvedSolid.png

ShieldHalvedSolid.png

277 ms

loader.gif

loader.gif

278 ms

play_pause.png

play_pause.png

351 ms

right_arrow.png

right_arrow.png

392 ms

slide1.jpg

slide1.jpg

750 ms

slide2.jpg

slide2.jpg

287 ms

Accessibility Review

arpa.ch accessibility score

80

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

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

arpa.ch 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

SEO Factors

arpa.ch SEO score

86

Search Engine Optimization Advices

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Arpa.ch 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 Arpa.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

arpa.ch

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