7 sec in total
356 ms
6.4 sec
225 ms
Welcome to mieterverein-koeln.de homepage info - get ready to check Mieterverein Koeln best content for Germany right away, or after learning these important things about mieterverein-koeln.de
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Visit mieterverein-koeln.deWe analyzed Mieterverein-koeln.de page load time and found that the first response time was 356 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
mieterverein-koeln.de performance score
name
value
score
weighting
Value3.5 s
33/100
10%
Value4.8 s
31/100
25%
Value6.2 s
44/100
10%
Value690 ms
43/100
30%
Value0.1
90/100
15%
Value7.8 s
44/100
10%
356 ms
383 ms
71 ms
94 ms
202 ms
Our browser made a total of 67 requests to load all elements on the main page. We found that 42% of them (28 requests) were addressed to the original Mieterverein-koeln.de, 43% (29 requests) were made to Mieterverein.webvanilla2.de and 12% (8 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (4.9 sec) relates to the external source Mieterverein.webvanilla2.de.
Page size can be reduced by 102.3 kB (20%)
518.7 kB
416.4 kB
In fact, the total size of Mieterverein-koeln.de main page is 518.7 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. 30% of websites need less resources to load. Images take 382.4 kB which makes up the majority of the site volume.
Potential reduce by 55.6 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 55.6 kB or 83% of the original size.
Potential reduce by 11.8 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. Mieterverein Koeln images are well optimized though.
Potential reduce by 26.4 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 26.4 kB or 45% of the original size.
Potential reduce by 8.5 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. Mieterverein-koeln.de needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 84% of the original size.
Number of requests can be reduced by 29 (45%)
65
36
The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mieterverein Koeln. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
mieterverein-koeln.de
356 ms
mieterverein
383 ms
prototype.js
71 ms
scriptaculous.js
94 ms
lightview.js
202 ms
lightview.css
212 ms
wvs.js
213 ms
builder.js
11 ms
effects.js
21 ms
dragdrop.js
29 ms
controls.js
32 ms
slider.js
33 ms
sound.js
35 ms
top_slide_0_1.jpg
267 ms
1281101445__browser_background.gif
102 ms
Logo_Mieterverein.png
102 ms
1281374435__seitenbereich.gif
106 ms
1281374500__grafik_unter_topnavi.gif
201 ms
Button_Mitglied_gelb.png
201 ms
1296740899__footer2.gif
205 ms
1281374945__lupe.png
203 ms
top_slide_0_2.jpg
474 ms
top_slide_0_3.jpg
466 ms
top_slide_0_4.jpg
487 ms
top_slide_0_5.jpg
468 ms
top_slide_0_0.jpg
383 ms
27_Fahne_Fassade_2_web.jpg
483 ms
9_A_Z.gif
589 ms
9_news.jpg
890 ms
9_Herzchen.jpg
1196 ms
8_nachgefragt_q.jpg
774 ms
9_Telefon_waehlen.jpg
1881 ms
9_Logo_Eingangstuer.jpg
1908 ms
69_DMB_Logo_Bereich.png
2660 ms
136_newsletter.png
2891 ms
136_Telefon.png
2895 ms
136_Haus.png
3345 ms
136_Post.png
3893 ms
136_leer.png
3895 ms
136_uhr_abstand_r.png
3900 ms
136_zweigstellen_abstand_r.png
3905 ms
136_tel_rechtsberatung.png
4000 ms
136_terminverinbarung.png
3450 ms
136_buchhaltung.png
4465 ms
136_information.png
4905 ms
1281349238__top_navi_volle_breite.png
185 ms
1281632575__top_navi_right_cap.png
189 ms
1281632564__top_navi_left_cap.png
277 ms
1281359549__trenner_bereich.gif
4888 ms
1278345189__Icons.png
4911 ms
1281367304__trenner_bereich_2.gif
4899 ms
1278405957__Icons.png
4891 ms
ga.js
16 ms
prev.png
249 ms
topclose.png
247 ms
close_large.png
249 ms
close_small.png
253 ms
loading.gif
261 ms
inner_slideshow_stop.png
340 ms
inner_prev.png
346 ms
inner_next.png
347 ms
controller_prev.png
348 ms
controller_slideshow_stop.png
357 ms
__utm.gif
13 ms
controller_next.png
102 ms
controller_slideshow_play.png
103 ms
controller_close.png
106 ms
mieterverein-koeln.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
Form elements do not have associated labels
Links do not have a discernible name
mieterverein-koeln.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
mieterverein-koeln.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mieterverein-koeln.de 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 Mieterverein-koeln.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.
mieterverein-koeln.de
Open Graph description is not detected on the main page of Mieterverein Koeln. 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: