Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

alpha-n.de

Home

Page Load Speed

2.5 sec in total

First Response

483 ms

Resources Loaded

1.8 sec

Page Rendered

233 ms

alpha-n.de screenshot

About Website

Visit alpha-n.de now to see the best up-to-date Alpha N content and also check out these interesting facts you probably never knew about alpha-n.de

Alpha-N GmbH - your expert for carbon components and tuning at the highest level.

Visit alpha-n.de

Key Findings

We analyzed Alpha-n.de page load time and found that the first response time was 483 ms and then it took 2 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

alpha-n.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

68/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value7.0 s

53/100

10%

Network Requests Diagram

alpha-n.de

483 ms

alphan.css

118 ms

superfish.css

187 ms

prettyLoader.css

188 ms

prettyPhoto.css

284 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 52% of them (32 requests) were addressed to the original Alpha-n.de, 7% (4 requests) were made to Translate.googleapis.com and 3% (2 requests) were made to Cm.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (483 ms) belongs to the original domain Alpha-n.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 516.2 kB (55%)

Content Size

939.2 kB

After Optimization

423.0 kB

In fact, the total size of Alpha-n.de main page is 939.2 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 646.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 7.2 kB

  • Original 10.4 kB
  • After minification 9.4 kB
  • After compression 3.3 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 7.2 kB or 69% of the original size.

Image Optimization

-1%

Potential reduce by 1.4 kB

  • Original 216.2 kB
  • After minification 214.8 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. Alpha N images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 455.4 kB

  • Original 646.9 kB
  • After minification 621.7 kB
  • After compression 191.4 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 455.4 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 52.2 kB

  • Original 65.7 kB
  • After minification 50.6 kB
  • After compression 13.5 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. Alpha-n.de needs all CSS files to be minified and compressed as it can save up to 52.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (74%)

Requests Now

54

After Optimization

14

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alpha N. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

alpha-n.de accessibility score

97

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

alpha-n.de 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

alpha-n.de SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alpha-n.de 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 Alpha-n.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 Alpha N. 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: