1.8 sec in total
250 ms
1.5 sec
109 ms
Click here to check amazing Prometheus Bildarchiv content for Germany. Otherwise, check out these important facts you probably never knew about prometheus-bildarchiv.de
Visit prometheus-bildarchiv.deWe analyzed Prometheus-bildarchiv.de page load time and found that the first response time was 250 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
prometheus-bildarchiv.de performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value4.3 s
41/100
25%
Value3.5 s
88/100
10%
Value70 ms
99/100
30%
Value0.168
70/100
15%
Value4.3 s
84/100
10%
250 ms
94 ms
178 ms
180 ms
369 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 93% of them (51 requests) were addressed to the original Prometheus-bildarchiv.de, 4% (2 requests) were made to Prometheus.uni-koeln.de and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (538 ms) belongs to the original domain Prometheus-bildarchiv.de.
Page size can be reduced by 271.7 kB (56%)
488.6 kB
216.9 kB
In fact, the total size of Prometheus-bildarchiv.de main page is 488.6 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. Javascripts take 256.1 kB which makes up the majority of the site volume.
Potential reduce by 10.8 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 10.8 kB or 72% of the original size.
Potential reduce by 20.3 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. Obviously, Prometheus Bildarchiv needs image optimization as it can save up to 20.3 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 184.9 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 184.9 kB or 72% of the original size.
Potential reduce by 55.7 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. Prometheus-bildarchiv.de needs all CSS files to be minified and compressed as it can save up to 55.7 kB or 85% of the original size.
Number of requests can be reduced by 25 (46%)
54
29
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prometheus Bildarchiv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
prometheus-bildarchiv.de
250 ms
application.css
94 ms
screen.css
178 ms
syntax.css
180 ms
vendor.js
369 ms
application.js
187 ms
prometheus.js
184 ms
pandora.js
532 ms
logo.gif
92 ms
01.jpg
93 ms
02.jpg
90 ms
03.jpg
93 ms
04.jpg
95 ms
05.jpg
94 ms
06.jpg
180 ms
07.jpg
180 ms
08.jpg
183 ms
help.gif
185 ms
facebook.png
186 ms
googleplus.png
188 ms
twitter.png
267 ms
newsletter.png
270 ms
rss.png
273 ms
vimeo.png
275 ms
instagram.png
277 ms
youtube.png
280 ms
wikipedia.png
355 ms
github.png
358 ms
tags.en.png
362 ms
sticker_1week.en.png
370 ms
AppIcon29x29.png
368 ms
info.gif
374 ms
signup.gif
442 ms
start.jpg
447 ms
top.gif
452 ms
analytics.js
13 ms
statusbar.gif
447 ms
menu.gif
448 ms
menu_shadow.gif
454 ms
sidebar.gif
517 ms
sidebar_header.gif
524 ms
sidebar_header_shadow.gif
529 ms
navigation_list_background.gif
538 ms
header.gif
538 ms
collect
13 ms
button_send_left.gif
410 ms
button_send_middle.gif
469 ms
button_send_right.gif
477 ms
footer.gif
482 ms
input_middle.gif
492 ms
button_icon_search.gif
495 ms
input_left_right.gif
504 ms
help.gif
91 ms
print.css
92 ms
mobile.css
91 ms
prometheus-bildarchiv.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
Image elements do not have [alt] attributes
Links do not have a discernible name
prometheus-bildarchiv.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
prometheus-bildarchiv.de SEO score
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prometheus-bildarchiv.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Prometheus-bildarchiv.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.
prometheus-bildarchiv.de
Open Graph description is not detected on the main page of Prometheus Bildarchiv. 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: