1.8 sec in total
66 ms
1.6 sec
158 ms
Visit uboat.net now to see the best up-to-date U Boat content for United States and also check out these interesting facts you probably never knew about uboat.net
The U-boat War in World War Two (1939-1945) and World War One (1914-1918). Over 30,000 pages on the officers, the boats, technology and the Allied efforts to counter the U-boat threat.
Visit uboat.netWe analyzed Uboat.net page load time and found that the first response time was 66 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
uboat.net performance score
name
value
score
weighting
Value1.4 s
97/100
10%
Value2.8 s
83/100
25%
Value3.0 s
94/100
10%
Value800 ms
36/100
30%
Value0.151
76/100
15%
Value8.3 s
40/100
10%
66 ms
233 ms
16 ms
239 ms
137 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 43% of them (13 requests) were addressed to the original Uboat.net, 20% (6 requests) were made to Googleads.g.doubleclick.net and 17% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (666 ms) relates to the external source Googleads.g.doubleclick.net.
Page size can be reduced by 348.5 kB (47%)
742.1 kB
393.6 kB
In fact, the total size of Uboat.net main page is 742.1 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. 35% of websites need less resources to load. Javascripts take 652.8 kB which makes up the majority of the site volume.
Potential reduce by 16.0 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. 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 16.0 kB or 70% of the original size.
Potential reduce by 832 B
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. U Boat images are well optimized though.
Potential reduce by 311.2 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 311.2 kB or 48% of the original size.
Potential reduce by 20.5 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. Uboat.net needs all CSS files to be minified and compressed as it can save up to 20.5 kB or 84% of the original size.
Number of requests can be reduced by 7 (25%)
28
21
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of U Boat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
uboat.net
66 ms
uboat.net
233 ms
main2017-10.css
16 ms
js
239 ms
adsbygoogle.js
137 ms
Logo_25wht.gif
29 ms
header_970.gif
18 ms
rss_18.gif
30 ms
twitter_newbird_18.gif
43 ms
lohmeyer_peter.jpg
56 ms
front_emblem.gif
43 ms
1844153223.jpg
43 ms
wife_exit_s.jpg
44 ms
img_3283_s.jpg
45 ms
Elbe-II_1945_abriss-60er-c_s.jpg
54 ms
print.css
13 ms
show_ads_impl.js
234 ms
zrt_lookup.html
35 ms
ads
666 ms
ads
462 ms
ads
126 ms
1540315874223524270
24 ms
abg_lite.js
28 ms
s
10 ms
window_focus.js
176 ms
qs_click_protection.js
33 ms
ufs_web_display.js
11 ms
one_click_handler_one_afma.js
174 ms
icon.png
12 ms
activeview
63 ms
uboat.net 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.
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
uboat.net 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
Page has valid source maps
uboat.net SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uboat.net 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 Uboat.net 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.
uboat.net
Open Graph description is not detected on the main page of U Boat. 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: