Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

sip.de

Salamander window & door systems

Page Load Speed

10.7 sec in total

First Response

1.1 sec

Resources Loaded

9.2 sec

Page Rendered

398 ms

sip.de screenshot

About Website

Welcome to sip.de homepage info - get ready to check Sip best content right away, or after learning these important things about sip.de

Salamander Window & Door Systems is one of the leading European system suppliers and is a manufacturer of PVC profiles for windows and doors.

Visit sip.de

Key Findings

We analyzed Sip.de page load time and found that the first response time was 1.1 sec and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

sip.de performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.671

8/100

15%

TTI (Time to Interactive)

Value3.8 s

90/100

10%

Network Requests Diagram

sip.de

1090 ms

en

180 ms

en

321 ms

site-sass-e85311bdee68cc0bdfe0a41a1d50e823.min.css

1563 ms

merged-view-0eedb73b1eed0e580472d6819538b027.min.css

1092 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Sip.de, 76% (19 requests) were made to Sip-windows.com and 8% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source Sip-windows.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 273.3 kB (34%)

Content Size

808.5 kB

After Optimization

535.2 kB

In fact, the total size of Sip.de main page is 808.5 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. 15% of websites need less resources to load. Images take 427.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 25.5 kB

  • Original 31.7 kB
  • After minification 30.5 kB
  • After compression 6.2 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 25.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 4.3 kB

  • Original 427.6 kB
  • After minification 423.3 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. Sip images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 243.5 kB

  • Original 349.1 kB
  • After minification 349.1 kB
  • After compression 105.6 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 243.5 kB or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sip. According to our analytics all requests are already optimized.

Accessibility Review

sip.de accessibility score

70

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

sip.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

High

Missing source maps for large first-party JavaScript

SEO Factors

sip.de SEO score

79

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sip.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sip.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 Sip. 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: