Tools & Wizards About Us
zgm.de screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

zgm.de

ZGM - Zimmermann-Graeff & Müller Weinkellerei: ZGM

Page Load Speed

2.6 sec in total

First Response

303 ms

Resources Loaded

2 sec

Page Rendered

270 ms

zgm.de screenshot

About Website

Click here to check amazing ZGM content for Germany. Otherwise, check out these important facts you probably never knew about zgm.de

Zimmermann-Graeff & Müller/Zell gehört zu den führenden Weinkellereien Deutschlands. Das Familienunternehmen wurde 1886 durch Jacob Zimmermann gegründet.

Visit zgm.de

Key Findings

We analyzed Zgm.de page load time and found that the first response time was 303 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

zgm.de performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value19.2 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.069

96/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

zgm.de

303 ms

www.zgm.de

471 ms

6bb085e852.css

94 ms

flexslider.css

187 ms

mods.css

279 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Zgm.de, 2% (1 request) were made to Cmp.cls.pm and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (789 ms) belongs to the original domain Zgm.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.3 kB (2%)

Content Size

3.7 MB

After Optimization

3.6 MB

  • HTML
  • Images

In fact, the total size of Zgm.de main page is 3.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 36.8 kB

  • Original 43.0 kB
  • After minification 36.7 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. This page needs HTML code to be minified as it can gain 6.2 kB, which is 14% 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 36.8 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 21.5 kB

  • Original 3.6 MB
  • After minification 3.6 MB

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. ZGM images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 16 (42%)

Requests Now

38

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZGM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zgm.de

zgm.de

303 ms

www.zgm.de

www.zgm.de

471 ms

6bb085e852.css

6bb085e852.css

94 ms

flexslider.css

flexslider.css

187 ms

mods.css

mods.css

279 ms

style.min.css

style.min.css

375 ms

jquery.js

jquery.js

381 ms

5f0da732edb24717063382db

5f0da732edb24717063382db

457 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

280 ms

jquery.datetimepicker.min.js

jquery.datetimepicker.min.js

282 ms

parsley.min.js

parsley.min.js

283 ms

Tabs.min.js

Tabs.min.js

370 ms

Form.min.js

Form.min.js

373 ms

isMobile.min.js

isMobile.min.js

379 ms

iscroll.js

iscroll.js

411 ms

jquery.cookie.js

jquery.cookie.js

462 ms

scripts.js

scripts.js

466 ms

menu.js

menu.js

465 ms

gtm.js

gtm.js

107 ms

de.png

de.png

119 ms

en.png

en.png

121 ms

magnifier.png

magnifier.png

120 ms

ZGM_Logo_DE.jpg

ZGM_Logo_DE.jpg

332 ms

logo.png

logo.png

243 ms

MS_Riesling_alkoholfrei_Header.jpg

MS_Riesling_alkoholfrei_Header.jpg

338 ms

Allure_Header_2023.jpg

Allure_Header_2023.jpg

398 ms

MS_GluehMichel_Header.jpg

MS_GluehMichel_Header.jpg

497 ms

Allure_Range_Header.jpg

Allure_Range_Header.jpg

502 ms

csm_ZGM_Homepage_Donatushof_Praemiereungen_2021_34810d9749.jpg

csm_ZGM_Homepage_Donatushof_Praemiereungen_2021_34810d9749.jpg

616 ms

csm_Koenigsmosel_ZGM_Homepage_2962202205.jpg

csm_Koenigsmosel_ZGM_Homepage_2962202205.jpg

706 ms

csm_Slider_Donatushof_23_03_2018_6efc642ff8.jpg

csm_Slider_Donatushof_23_03_2018_6efc642ff8.jpg

618 ms

MS_Riesling_alkoholfrei_Startseite.jpg

MS_Riesling_alkoholfrei_Startseite.jpg

490 ms

Thumb_MS_GluehMichel_Startseite.jpg

Thumb_MS_GluehMichel_Startseite.jpg

586 ms

logo_footer.png

logo_footer.png

591 ms

gdp.png

gdp.png

597 ms

wim_logo.png

wim_logo.png

678 ms

xing.png

xing.png

685 ms

google.png

google.png

691 ms

overpass_regular.ttf

overpass_regular.ttf

691 ms

overpass_light.ttf

overpass_light.ttf

702 ms

overpass_extralight.ttf

overpass_extralight.ttf

760 ms

overpass_bold.ttf

overpass_bold.ttf

774 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

764 ms

ueber_uns.jpg

ueber_uns.jpg

789 ms

update.min.js

update.min.js

35 ms

flexslider-icon.woff

flexslider-icon.woff

738 ms

Accessibility Review

zgm.de accessibility score

45

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zgm.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zgm.de SEO score

85

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 Zgm.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 Zgm.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

zgm.de

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