Tools & Wizards About Us
tw-naturstein.de screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

tw-naturstein.de

Naturstein, Marmor, Granit – TW Naturstein Oberhausen

Page Load Speed

2.5 sec in total

First Response

413 ms

Resources Loaded

1.9 sec

Page Rendered

185 ms

tw-naturstein.de screenshot

About Website

Click here to check amazing TW Naturstein content. Otherwise, check out these important facts you probably never knew about tw-naturstein.de

Die TW Naturstein GmbH ist kompetenter Ansprechpartner wenn es um Naturstein, Marmor oder Granit sowie Schiefer, Sandstein oder Basaltina geht.

Visit tw-naturstein.de

Key Findings

We analyzed Tw-naturstein.de page load time and found that the first response time was 413 ms and then it took 2.1 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

tw-naturstein.de performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.159

73/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

tw-naturstein.de

413 ms

screen.css

107 ms

prototype.js

320 ms

scriptaculous.js

209 ms

main_script.js

211 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 96% of them (53 requests) were addressed to the original Tw-naturstein.de, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (854 ms) belongs to the original domain Tw-naturstein.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 352.2 kB (45%)

Content Size

787.1 kB

After Optimization

434.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tw-naturstein.de main page is 787.1 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. 40% of websites need less resources to load. Javascripts take 421.6 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 28.6 kB

  • Original 33.5 kB
  • After minification 25.1 kB
  • After compression 5.0 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 8.4 kB, which is 25% 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 28.6 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 4.1 kB

  • Original 318.0 kB
  • After minification 313.9 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. TW Naturstein images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 308.1 kB

  • Original 421.6 kB
  • After minification 343.1 kB
  • After compression 113.4 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 308.1 kB or 73% of the original size.

CSS Optimization

-82%

Potential reduce by 11.5 kB

  • Original 14.0 kB
  • After minification 10.2 kB
  • After compression 2.6 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. Tw-naturstein.de needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (43%)

Requests Now

54

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TW Naturstein. 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 as a result speed up the page load time.

Network Requests Diagram

tw-naturstein.de

tw-naturstein.de

413 ms

screen.css

screen.css

107 ms

prototype.js

prototype.js

320 ms

scriptaculous.js

scriptaculous.js

209 ms

main_script.js

main_script.js

211 ms

jquery_min_1_7.js

jquery_min_1_7.js

375 ms

jquery_easing_1_3.js

jquery_easing_1_3.js

224 ms

slider_jquery.js

slider_jquery.js

220 ms

shadowbox.css

shadowbox.css

313 ms

shadowbox.js

shadowbox.js

317 ms

builder.js

builder.js

107 ms

effects.js

effects.js

111 ms

dragdrop.js

dragdrop.js

115 ms

controls.js

controls.js

115 ms

slider.js

slider.js

107 ms

sound.js

sound.js

149 ms

mainnav_shadow_left.png

mainnav_shadow_left.png

106 ms

mainnav_bg.png

mainnav_bg.png

107 ms

nav_home_1.jpg

nav_home_1.jpg

113 ms

nav_ueber_uns_0.jpg

nav_ueber_uns_0.jpg

107 ms

nav_leistungen_0.jpg

nav_leistungen_0.jpg

109 ms

nav_naturstein_0.jpg

nav_naturstein_0.jpg

110 ms

mainnav_flyout_bg.png

mainnav_flyout_bg.png

207 ms

nav_referenzen_0.jpg

nav_referenzen_0.jpg

209 ms

nav_ausstellung_0.jpg

nav_ausstellung_0.jpg

208 ms

mainnav_shadow_right.png

mainnav_shadow_right.png

210 ms

logo.jpg

logo.jpg

210 ms

logo.png

logo.png

215 ms

slider_bg.png

slider_bg.png

331 ms

slider_pfeil_links.png

slider_pfeil_links.png

327 ms

slider_pfeil_rechts.png

slider_pfeil_rechts.png

324 ms

slider_03.jpg

slider_03.jpg

439 ms

trans.gif

trans.gif

327 ms

slider_02.jpg

slider_02.jpg

537 ms

slider_01.jpg

slider_01.jpg

539 ms

ihr_kompetenter_partner_rund_um_den_naturstein.png

ihr_kompetenter_partner_rund_um_den_naturstein.png

435 ms

startseite_klein.jpg

startseite_klein.jpg

546 ms

titel_grosse_ausstellung.jpg

titel_grosse_ausstellung.jpg

441 ms

grosse_ausstellung.jpg

grosse_ausstellung.jpg

649 ms

titel_unsere_leistungen.jpg

titel_unsere_leistungen.jpg

547 ms

unsere_leistungen.jpg

unsere_leistungen.jpg

664 ms

titel_der_naturstein.jpg

titel_der_naturstein.jpg

641 ms

der_naturstein.jpg

der_naturstein.jpg

648 ms

titel_referenzen.jpg

titel_referenzen.jpg

662 ms

referenzen.jpg

referenzen.jpg

764 ms

footernavi_bg.png

footernavi_bg.png

744 ms

footernav_home.jpg

footernav_home.jpg

752 ms

footernav_ueber_uns.jpg

footernav_ueber_uns.jpg

750 ms

footernav_leistungen.jpg

footernav_leistungen.jpg

765 ms

footernav_naturstein.jpg

footernav_naturstein.jpg

766 ms

footernav_referenzen.jpg

footernav_referenzen.jpg

847 ms

footernav_ausstellung.jpg

footernav_ausstellung.jpg

854 ms

ga.js

ga.js

6 ms

__utm.gif

__utm.gif

14 ms

print.css

print.css

105 ms

Accessibility Review

tw-naturstein.de accessibility score

87

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.

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

tw-naturstein.de 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

SEO Factors

tw-naturstein.de SEO score

69

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tw-naturstein.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Tw-naturstein.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

tw-naturstein.de

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