Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

schellenberg.co.uk

Schellenberg - Smarte Antriebe für Zuhause | SCHELLENBERG

Page Load Speed

3.3 sec in total

First Response

326 ms

Resources Loaded

2.8 sec

Page Rendered

141 ms

schellenberg.co.uk screenshot

About Website

Click here to check amazing Schellenberg content. Otherwise, check out these important facts you probably never knew about schellenberg.co.uk

Rollladenantriebe, Torantriebe, Insektenschutz und Co: Schellenberg bietet smarte Lösungen rund um Antriebsysteme und Zubehör für Türen, Tore und Fenster.

Visit schellenberg.co.uk

Key Findings

We analyzed Schellenberg.co.uk page load time and found that the first response time was 326 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

schellenberg.co.uk performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

12/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.468

19/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

schellenberg.co.uk

326 ms

schellenberg.co.uk

432 ms

www.schellenberg.co.uk

883 ms

uc.js

62 ms

fbevents.js

23 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 79% of them (19 requests) were addressed to the original Schellenberg.co.uk, 8% (2 requests) were made to Code.etracker.com and 4% (1 request) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (883 ms) belongs to the original domain Schellenberg.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 182.4 kB (47%)

Content Size

390.9 kB

After Optimization

208.5 kB

In fact, the total size of Schellenberg.co.uk main page is 390.9 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. Javascripts take 147.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 91.8 kB

  • Original 108.1 kB
  • After minification 103.9 kB
  • After compression 16.4 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 91.8 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 2.5 kB

  • Original 135.8 kB
  • After minification 133.3 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. Schellenberg images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 88.1 kB

  • Original 147.0 kB
  • After minification 147.0 kB
  • After compression 58.8 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 88.1 kB or 60% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (29%)

Requests Now

21

After Optimization

15

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schellenberg. 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 as a result speed up the page load time.

Accessibility Review

schellenberg.co.uk accessibility score

86

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

Buttons do not have an accessible name

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

schellenberg.co.uk 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

Page has valid source maps

SEO Factors

schellenberg.co.uk 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

Document doesn't have a valid hreflang

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

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schellenberg.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Schellenberg.co.uk 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 data is detected on the main page of Schellenberg. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: