3.3 sec in total
424 ms
2.5 sec
364 ms
Click here to check amazing Zweibrueder content for Germany. Otherwise, check out these important facts you probably never knew about zweibrueder.com
Worldwide leader of LED light manufacturing with more than 200 patents and awards for design and engineering, including the Advanced Focus System and Smart Light Technology. Sold in more than 50 coun...
Visit zweibrueder.comWe analyzed Zweibrueder.com page load time and found that the first response time was 424 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
zweibrueder.com performance score
name
value
score
weighting
Value4.3 s
19/100
10%
Value95.8 s
0/100
25%
Value21.9 s
0/100
10%
Value400 ms
69/100
30%
Value0.087
93/100
15%
Value51.8 s
0/100
10%
424 ms
285 ms
280 ms
80 ms
113 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zweibrueder.com, 78% (61 requests) were made to Ledlenserusa.com and 5% (4 requests) were made to T.p.mybuys.com. The less responsive or slowest element that took the longest time to load (424 ms) belongs to the original domain Zweibrueder.com.
Page size can be reduced by 1.4 MB (66%)
2.1 MB
721.9 kB
In fact, the total size of Zweibrueder.com main page is 2.1 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. 45% of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 33.0 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 5.9 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 33.0 kB or 78% of the original size.
Potential reduce by 30.8 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. Zweibrueder images are well optimized though.
Potential reduce by 1.0 MB
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 1.0 MB or 77% of the original size.
Potential reduce by 279.0 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. Zweibrueder.com needs all CSS files to be minified and compressed as it can save up to 279.0 kB or 84% of the original size.
Number of requests can be reduced by 53 (75%)
71
18
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zweibrueder. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.
zweibrueder.com
424 ms
www.ledlenser.com
285 ms
www.ledlenserusa.com
280 ms
normalize.css
80 ms
fonts.css
113 ms
jquery.ui.all.css
108 ms
pr_styles_review.css
139 ms
jquery-1.9.1.js
255 ms
modernizr.js
131 ms
jquery-migrate.js
110 ms
slick.js
186 ms
slick.css
136 ms
facileModal.js
140 ms
facileModal.css
155 ms
font-awesome.min.css
172 ms
dwac-14.8.js
164 ms
ledlenser-style.css
245 ms
responsive.js
180 ms
ledlenser-homepage.css
191 ms
styles.css
73 ms
mybuys4.js
85 ms
setup.js
105 ms
jquery-ui-1.10.3.custom.js
303 ms
jquery.ui.touch-punch.min.js
184 ms
jquery.jcarousel.min.js
188 ms
jquery.tooltip.min.js
197 ms
jquery.ba-hashchange.min.js
208 ms
jquery.validate.min-1.9.0.js
218 ms
jquery.jqzoom.dw.js
234 ms
jquery.flexslider.js
247 ms
unveil.js
245 ms
app.js
293 ms
jquery.carouFredSel-6.2.1-packed.js
259 ms
pdp.js
261 ms
dwanalytics.js
267 ms
gretel.min.js
79 ms
jquery.ui.base.css
199 ms
jquery.ui.theme.css
211 ms
jquery.ui.slider.css
213 ms
jquery.ui.core.css
32 ms
jquery.ui.accordion.css
30 ms
jquery.ui.autocomplete.css
37 ms
jquery.ui.button.css
43 ms
jquery.ui.datepicker.css
44 ms
jquery.ui.dialog.css
49 ms
jquery.ui.menu.css
54 ms
jquery.ui.progressbar.css
55 ms
jquery.ui.resizable.css
61 ms
jquery.ui.selectable.css
68 ms
jquery.ui.spinner.css
69 ms
jquery.ui.tabs.css
72 ms
jquery.ui.tooltip.css
86 ms
dc.js
92 ms
leatherman-logo-small.png
68 ms
ledlenser-white-logo-small.png
69 ms
ledlenser-logo-black.png
66 ms
ll_topnav_fs_white.png
64 ms
ll_topnav_engrave_white.png
67 ms
logo-led-lenser.png
64 ms
160203_ll_hp_hero.jpg
213 ms
160120_ll_hp_secondary.jpg
100 ms
160120_ll_hp_tertiary.jpg
100 ms
gtm.js
216 ms
b.min.js
163 ms
footer-social-icons.png
154 ms
DINWeb.woff
150 ms
DINWeb-Bold.woff
149 ms
fontawesome-webfont.woff
174 ms
brandon-light.otf
148 ms
__utm.gif
103 ms
wr.do
79 ms
led-lenser-fb.gif
36 ms
jquery.min.js
142 ms
activity;src=3502887;type=gener234;cat=vtvis422;ord=889189697
139 ms
analytics.js
148 ms
config.js
153 ms
collect
15 ms
collect
17 ms
zweibrueder.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
zweibrueder.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
zweibrueder.com SEO score
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
Document uses legible font sizes
DE
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zweibrueder.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Zweibrueder.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.
zweibrueder.com
Open Graph description is not detected on the main page of Zweibrueder. 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: