Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

buefa.de

BÜFA: Neue Chemie - Innovative Lösungen für die Industrie

Page Load Speed

7.4 sec in total

First Response

296 ms

Resources Loaded

6.9 sec

Page Rendered

289 ms

buefa.de screenshot

About Website

Visit buefa.de now to see the best up-to-date Buefa content for Germany and also check out these interesting facts you probably never knew about buefa.de

Ihr Partner für Chemie & Innovation. Wir bieten maßgeschneiderte Lösungen für die Industrie ➤ Erfahren Sie mehr über unsere Produkte & Services!

Visit buefa.de

Key Findings

We analyzed Buefa.de page load time and found that the first response time was 296 ms and then it took 7.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

buefa.de performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

19/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value5.4 s

72/100

10%

Network Requests Diagram

buefa.de

296 ms

1611 ms

mashup:ra:collection

3013 ms

ra:collection

3460 ms

ra:collection

1490 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that all of those requests were addressed to Buefa.de and no external sources were called. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Buefa.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 227.5 kB (24%)

Content Size

945.6 kB

After Optimization

718.1 kB

In fact, the total size of Buefa.de main page is 945.6 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 845.9 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 87.8 kB

  • Original 99.7 kB
  • After minification 82.3 kB
  • After compression 11.9 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 17.4 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 87.8 kB or 88% of the original size.

Image Optimization

-17%

Potential reduce by 139.7 kB

  • Original 845.9 kB
  • After minification 706.2 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. Obviously, Buefa needs image optimization as it can save up to 139.7 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

49

After Optimization

34

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buefa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

buefa.de accessibility score

75

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

High

Some elements have a [tabindex] value greater than 0

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

High

Links do not have a discernible name

Best Practices

buefa.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

buefa.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

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

    ISO-8859-1

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

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