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schroederglas.com screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

schroederglas.com

Schröder Spezialglas | Spezialist seit über 90 Jahren

Page Load Speed

3.1 sec in total

First Response

307 ms

Resources Loaded

2.5 sec

Page Rendered

245 ms

schroederglas.com screenshot

About Website

Visit schroederglas.com now to see the best up-to-date Schroederglas content and also check out these interesting facts you probably never knew about schroederglas.com

Spezialist für Glaskeramiken wie Macor®, Shapal Hi Msoft™ und Zerodur® sowie verschiedene Glassorten wie Quarzgläser, Natronkalkgläser und Borosilikatgläser.

Visit schroederglas.com

Key Findings

We analyzed Schroederglas.com page load time and found that the first response time was 307 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

schroederglas.com performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

schroederglas.com

307 ms

schroederglas.com

455 ms

www.schroederglas.com

674 ms

fonts.css

128 ms

jquery.fancybox.css

244 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that all of those requests were addressed to Schroederglas.com and no external sources were called. The less responsive or slowest element that took the longest time to load (674 ms) belongs to the original domain Schroederglas.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.7 kB (6%)

Content Size

853.4 kB

After Optimization

801.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Schroederglas.com main page is 853.4 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. 25% of websites need less resources to load. Images take 722.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 18.1 kB

  • Original 21.3 kB
  • After minification 11.5 kB
  • After compression 3.2 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. This page needs HTML code to be minified as it can gain 9.8 kB, which is 46% 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 18.1 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 14.3 kB

  • Original 722.8 kB
  • After minification 708.5 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. Schroederglas images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 11.4 kB

  • Original 75.5 kB
  • After minification 75.5 kB
  • After compression 64.1 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 11.4 kB or 15% of the original size.

CSS Optimization

-23%

Potential reduce by 7.9 kB

  • Original 33.8 kB
  • After minification 33.8 kB
  • After compression 25.9 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. Schroederglas.com needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (42%)

Requests Now

26

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schroederglas. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

schroederglas.com

schroederglas.com

307 ms

schroederglas.com

schroederglas.com

455 ms

www.schroederglas.com

www.schroederglas.com

674 ms

fonts.css

fonts.css

128 ms

jquery.fancybox.css

jquery.fancybox.css

244 ms

jquery.bxslider.css

jquery.bxslider.css

326 ms

bootstrap.min.css

bootstrap.min.css

447 ms

bootstrap-submenu.min.css

bootstrap-submenu.min.css

329 ms

main.css

main.css

332 ms

modernizr.js

modernizr.js

348 ms

jquery.min.js

jquery.min.js

508 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

443 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

507 ms

bootstrap.min.js

bootstrap.min.js

508 ms

bootstrap-submenu.min.js

bootstrap-submenu.min.js

507 ms

main.js

main.js

593 ms

background-content.jpg

background-content.jpg

589 ms

background-startseite.jpg

background-startseite.jpg

550 ms

de.gif

de.gif

117 ms

en.gif

en.gif

133 ms

logo_neu.png

logo_neu.png

136 ms

arrow-down-startseite.png

arrow-down-startseite.png

229 ms

startseite-content.jpg

startseite-content.jpg

241 ms

startseite-produkte.png

startseite-produkte.png

476 ms

startseite-fertigung.png

startseite-fertigung.png

368 ms

footer-adresse.png

footer-adresse.png

352 ms

footer-phone.png

footer-phone.png

351 ms

footer-mail.png

footer-mail.png

459 ms

footer-instagram.png

footer-instagram.png

469 ms

Accessibility Review

schroederglas.com accessibility score

92

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

schroederglas.com 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

schroederglas.com SEO score

81

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schroederglas.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Schroederglas.com 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

schroederglas.com

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