Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

feso.de

Ihr Spezialist für Fenster aus Hüllhorst | FE-SO Bauelemente

Page Load Speed

3.5 sec in total

First Response

513 ms

Resources Loaded

2.7 sec

Page Rendered

265 ms

feso.de screenshot

About Website

Visit feso.de now to see the best up-to-date FE SO content and also check out these interesting facts you probably never knew about feso.de

Profitieren Sie von unser langen Erfahrung in der Fensterbranche und unserem hochwertigen Service. Wir sind Ihr Spezialist für alle Öffnungen im und am Haus.

Visit feso.de

Key Findings

We analyzed Feso.de page load time and found that the first response time was 513 ms and then it took 3 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

feso.de performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value1,400 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value19.6 s

2/100

10%

Network Requests Diagram

feso.de

513 ms

www.feso.de

631 ms

styles.css

161 ms

mobileLink.js

319 ms

colorbox.css

321 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 94% of them (31 requests) were addressed to the original Feso.de, 3% (1 request) were made to Tracker.webstyle.de and 3% (1 request) were made to Tracker.webstyle.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Feso.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.0 kB (36%)

Content Size

615.2 kB

After Optimization

393.2 kB

In fact, the total size of Feso.de main page is 615.2 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. 30% of websites need less resources to load. Images take 352.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.1 kB

  • Original 12.2 kB
  • After minification 10.2 kB
  • After compression 3.1 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 1.9 kB, which is 16% 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 9.1 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 26.2 kB

  • Original 352.3 kB
  • After minification 326.1 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. FE SO images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 171.0 kB

  • Original 231.2 kB
  • After minification 192.6 kB
  • After compression 60.3 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 171.0 kB or 74% of the original size.

CSS Optimization

-81%

Potential reduce by 15.8 kB

  • Original 19.5 kB
  • After minification 15.5 kB
  • After compression 3.7 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. Feso.de needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (48%)

Requests Now

31

After Optimization

16

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FE SO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

feso.de accessibility score

92

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

Image elements do not have [alt] attributes

Best Practices

feso.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

feso.de SEO score

86

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

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

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

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 Feso.de 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 Feso.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 FE SO. 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: