3.2 sec in total
183 ms
2.6 sec
400 ms
Click here to check amazing Colourbox content for Germany. Otherwise, check out these important facts you probably never knew about colourbox.de
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Visit colourbox.deWe analyzed Colourbox.de page load time and found that the first response time was 183 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
colourbox.de performance score
name
value
score
weighting
Value9.6 s
0/100
10%
Value18.2 s
0/100
25%
Value13.1 s
2/100
10%
Value970 ms
28/100
30%
Value0.923
3/100
15%
Value17.8 s
4/100
10%
183 ms
173 ms
620 ms
183 ms
246 ms
Our browser made a total of 77 requests to load all elements on the main page. We found that 57% of them (44 requests) were addressed to the original Colourbox.de, 39% (30 requests) were made to D3acja3ybn8ixf.cloudfront.net and 3% (2 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (775 ms) relates to the external source D3acja3ybn8ixf.cloudfront.net.
Page size can be reduced by 957.2 kB (35%)
2.7 MB
1.8 MB
In fact, the total size of Colourbox.de main page is 2.7 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 56.3 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 56.3 kB or 74% of the original size.
Potential reduce by 46.1 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. Colourbox images are well optimized though.
Potential reduce by 475.9 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 475.9 kB or 72% of the original size.
Potential reduce by 378.9 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. Colourbox.de needs all CSS files to be minified and compressed as it can save up to 378.9 kB or 87% of the original size.
Number of requests can be reduced by 30 (41%)
73
43
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colourbox. 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 10 to 1 for CSS and as a result speed up the page load time.
colourbox.de
183 ms
www.colourbox.de
173 ms
www.colourbox.de
620 ms
components.css
183 ms
generic-css-components.css
246 ms
generic-css-combined.css
249 ms
colourbox-css-atoms.css
246 ms
colourbox-css-components.css
258 ms
colourbox-css-combined.css
335 ms
index.css
322 ms
index.css
325 ms
testimonials.css
329 ms
contactPopup.css
329 ms
generic-js-jquery.js
765 ms
generic-js-combined.js
482 ms
colourbox-js-combined.js
645 ms
colourbox-js-components.js
406 ms
require.js
487 ms
requireJs-config.es.js
408 ms
requireJs-config.js
487 ms
jquery.stellar.min.js
486 ms
index.js
560 ms
testimonials.js
562 ms
contactPopup.js
567 ms
trusted_by.js
553 ms
dc.js
104 ms
westermann-logo.jpg
89 ms
responsive_logo.png
82 ms
separator_shadow.png
85 ms
ajax-loader.gif
88 ms
amazon_footer.png
83 ms
roadbike-logo.jpg
88 ms
bottom_logos_def.png
93 ms
salesteam-de.jpg
91 ms
responsive_topbar_bg.png
116 ms
flag_de.png
117 ms
responsive_arrow_left2.png
80 ms
responsive_arrow_right2.png
81 ms
responsive_search_bg2.png
87 ms
search_btn_large.png
86 ms
searchbar_large.png
91 ms
quotes-icon.png
87 ms
category_image_529.jpg
89 ms
white_overlay.png
87 ms
category_image_356.jpg
189 ms
category_image_1.jpg
90 ms
category_image_650.jpg
88 ms
category_image_476.jpg
91 ms
category_image_222.jpg
106 ms
right_arrow_larger.png
105 ms
e2h.js
73 ms
yellow-highlight-sprite-2.png
133 ms
shadow_separate.png
93 ms
save_calendar_icon.png
94 ms
parallax_background.jpg
119 ms
block-illustration-1.png
94 ms
green_wire_globe.png
94 ms
buttonSprites8.png
95 ms
dialog_overlay_bg.png
136 ms
social_icons.png
137 ms
red_bubble_left.png
140 ms
red_bubble_middle.png
171 ms
red_bubble_right.png
181 ms
buttonSprites8.png
253 ms
16x16-addedToLB-cb.png
178 ms
dialog_overlay_bg.png
180 ms
close_x.png
209 ms
loading-dark-55x55.gif
223 ms
bg-transparent-000000-85p.png
260 ms
misc-icons-24.png
48 ms
11097505.jpg
61 ms
2910847.jpg
775 ms
8581188.jpg
51 ms
progress.gif
47 ms
bottom_logos_ger_2.png
48 ms
__utm.gif
20 ms
cas
108 ms
colourbox.de accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
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
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.
colourbox.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
colourbox.de 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
Tap targets are not sized appropriately
DE
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colourbox.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 Colourbox.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.
colourbox.de
Open Graph description is not detected on the main page of Colourbox. 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: