5.7 sec in total
537 ms
3.1 sec
2.1 sec
Click here to check amazing Zb 2 content. Otherwise, check out these important facts you probably never knew about zb2.de
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Visit zb2.deWe analyzed Zb2.de page load time and found that the first response time was 537 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zb2.de performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value7.9 s
3/100
25%
Value13.0 s
3/100
10%
Value1,090 ms
24/100
30%
Value0.588
12/100
15%
Value11.8 s
18/100
10%
537 ms
316 ms
92 ms
87 ms
189 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 54% of them (39 requests) were addressed to the original Zb2.de, 22% (16 requests) were made to Apis.google.com and 6% (4 requests) were made to Ssl.gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zb2.de.
Page size can be reduced by 74.3 kB (5%)
1.5 MB
1.4 MB
In fact, the total size of Zb2.de main page is 1.5 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. 70% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 45.6 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 45.6 kB or 74% of the original size.
Potential reduce by 18.2 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. Zb 2 images are well optimized though.
Potential reduce by 6.1 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 6.1 kB or 22% of the original size.
Potential reduce by 4.4 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. Zb2.de needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 83% of the original size.
Number of requests can be reduced by 16 (23%)
71
55
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zb 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.
zb2.de
537 ms
design.css
316 ms
plusone.js
92 ms
valid-html401
87 ms
zb2_logo.gif
189 ms
Logo_IHK_Ausbildungsbetriebi.jpg
184 ms
ontop1.gif
288 ms
kaethchenhof-home.jpg
574 ms
weiter.png
288 ms
hafenpforte-frontansicht2.jpg
605 ms
gwg-gb.jpg
517 ms
zweitvermarkung-gewerbe-tricom.jpg
572 ms
treureal-branchenranking.jpg
861 ms
dykgaerten-keyvisual.jpg
677 ms
zb-umzug.jpg
835 ms
perpedes-keyvisual.jpg
891 ms
zb2-0412er-marketing.jpg
861 ms
globalgate-keyvisual.jpg
931 ms
broadwayoffice-keyvisual.jpg
895 ms
neugraben-marketing-wohnen-keyvisual.jpg
1056 ms
richtfest-keyvisual.jpg
1283 ms
stenderprojekt_key.jpg
1088 ms
treurealmailing-keyvisual.jpg
1109 ms
belsenpark-keyvisual.jpg
1217 ms
maisonmatinee-keyvisual.jpg
1156 ms
eventmarketing-keyvisual.jpg
1500 ms
relaunch-keyvisual.jpg
1433 ms
chg-keyvisual.jpg
1445 ms
suchmaschinenmarketing.jpg
1382 ms
offix-keyvisual.jpg
1432 ms
flughafenpforte-frontansicht.jpg
1623 ms
treureal-keyvisual.jpg
1609 ms
grafental-keyvisual.jpg
1543 ms
pempelfort-keyvisual.jpg
1767 ms
foto-referenzen.jpg
1869 ms
torpedo-keyvisual.jpg
1907 ms
markenentwicklung-keyvisual.jpg
1649 ms
bernstein-office.jpg
1932 ms
sdk.js
178 ms
platform.js
75 ms
widgets.js
35 ms
weiter_3.png
1712 ms
ga.js
10 ms
__utm.gif
45 ms
cb=gapi.loaded_0
27 ms
cb=gapi.loaded_1
26 ms
sharebutton
77 ms
badge
176 ms
postmessageRelay
117 ms
rs=AGLTcCPmny-vFqyYT8Kv7XbE4RRLCX_2sg
5 ms
rs=AGLTcCP1XWuWX_iCC9WgWr0vKsRUFWxeag
60 ms
rs=AGLTcCNJeIAhTTIYnUCxt_fu40G2riuAHA
114 ms
gplus-dd4b38-14.png
221 ms
176 ms
rs=AGLTcCMwT-oO1EOUpPJIUTzRq-IrQ9C8Bw
66 ms
rs=AGLTcCP1XWuWX_iCC9WgWr0vKsRUFWxeag
91 ms
rs=AGLTcCO4_kUmmqUKcIUh5gu2XNIdwNS-hg
133 ms
3193398744-postmessagerelay.js
208 ms
rpc:shindig_random.js
127 ms
xd_arbiter.php
226 ms
xd_arbiter.php
406 ms
photo.jpg
383 ms
badges-eaefc7099b8352c2d91a1a3d728dcac7.png
136 ms
gplus-dd4b38-20.png
137 ms
rs=AGLTcCO4_kUmmqUKcIUh5gu2XNIdwNS-hg
27 ms
cb=gapi.loaded_0
18 ms
rs=AGLTcCO4_kUmmqUKcIUh5gu2XNIdwNS-hg
16 ms
weiter2.png
110 ms
ontop2.gif
107 ms
share_button.php
74 ms
qeKvIRsJabD.js
292 ms
LVx-xkvaJ0b.png
357 ms
zb2.de 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
Image elements do not have [alt] attributes
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.
zb2.de 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
Browser errors were logged to the console
zb2.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zb2.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 Zb2.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.
zb2.de
Open Graph description is not detected on the main page of Zb 2. 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: