Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

sc-weber.de

Alarmanlagen Sicherheitstechnik | Firma Sc-Weber

Page Load Speed

2.3 sec in total

First Response

306 ms

Resources Loaded

1.7 sec

Page Rendered

282 ms

sc-weber.de screenshot

About Website

Welcome to sc-weber.de homepage info - get ready to check Sc Weber best content right away, or after learning these important things about sc-weber.de

Alarmanlagen von Lupus Daitem Abus Security oder Telenot. Beratung, Installation Service und Reparatur von Alarmanlage Sicherheitstechnik

Visit sc-weber.de

Key Findings

We analyzed Sc-weber.de page load time and found that the first response time was 306 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 40% of websites can load faster.

Performance Metrics

sc-weber.de performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value310 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

sc-weber.de

306 ms

www.sc-weber.de

407 ms

shop001.css

185 ms

navi1xv.css

189 ms

colorbox.css

192 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Sc-weber.de and no external sources were called. The less responsive or slowest element that took the longest time to load (589 ms) belongs to the original domain Sc-weber.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.1 kB (38%)

Content Size

551.0 kB

After Optimization

341.0 kB

In fact, the total size of Sc-weber.de main page is 551.0 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. Only 10% of websites need less resources to load. Images take 304.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 16.7 kB

  • Original 22.3 kB
  • After minification 21.1 kB
  • After compression 5.6 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 16.7 kB or 75% of the original size.

Image Optimization

-12%

Potential reduce by 36.1 kB

  • Original 304.1 kB
  • After minification 268.0 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. Obviously, Sc Weber needs image optimization as it can save up to 36.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 128.7 kB

  • Original 189.7 kB
  • After minification 183.0 kB
  • After compression 61.0 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 128.7 kB or 68% of the original size.

CSS Optimization

-82%

Potential reduce by 28.5 kB

  • Original 34.9 kB
  • After minification 28.0 kB
  • After compression 6.4 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. Sc-weber.de needs all CSS files to be minified and compressed as it can save up to 28.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (46%)

Requests Now

28

After Optimization

15

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sc Weber. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sc-weber.de accessibility score

96

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.

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

sc-weber.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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

sc-weber.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

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sc-weber.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 Sc-weber.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 Sc Weber. 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: