3.1 sec in total
432 ms
2.5 sec
161 ms
Welcome to naval.ntua.gr homepage info - get ready to check Naval Ntua best content for Greece right away, or after learning these important things about naval.ntua.gr
Visit naval.ntua.grWe analyzed Naval.ntua.gr page load time and found that the first response time was 432 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
naval.ntua.gr performance score
name
value
score
weighting
Value6.6 s
2/100
10%
Value10.6 s
0/100
25%
Value9.8 s
10/100
10%
Value130 ms
96/100
30%
Value0.298
40/100
15%
Value11.7 s
17/100
10%
432 ms
862 ms
143 ms
279 ms
280 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Naval.ntua.gr and no external sources were called. The less responsive or slowest element that took the longest time to load (868 ms) belongs to the original domain Naval.ntua.gr.
Page size can be reduced by 134.2 kB (47%)
285.9 kB
151.7 kB
In fact, the total size of Naval.ntua.gr main page is 285.9 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. 20% of websites need less resources to load. Images take 109.6 kB which makes up the majority of the site volume.
Potential reduce by 24.4 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. This page needs HTML code to be minified as it can gain 15.6 kB, which is 54% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 24.4 kB or 85% of the original size.
Potential reduce by 2.0 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. Naval Ntua images are well optimized though.
Potential reduce by 66.5 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 66.5 kB or 70% of the original size.
Potential reduce by 41.3 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. Naval.ntua.gr needs all CSS files to be minified and compressed as it can save up to 41.3 kB or 79% of the original size.
Number of requests can be reduced by 13 (62%)
21
8
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Naval Ntua. 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 CSS and as a result speed up the page load time.
naval.ntua.gr
432 ms
www.naval.ntua.gr
862 ms
system.base.css
143 ms
system.menus.css
279 ms
system.messages.css
280 ms
system.theme.css
278 ms
comment.css
280 ms
field.css
280 ms
node.css
280 ms
search.css
418 ms
user.css
416 ms
ctools.css
418 ms
layout.css
420 ms
style.css
557 ms
colors.css
422 ms
print.css
555 ms
jquery.js
868 ms
jquery.once.js
563 ms
drupal.js
564 ms
pyrforos-gold70x80.png
143 ms
menu-leaf.png
145 ms
english_round.png
281 ms
building01.jpg
277 ms
naval.ntua.gr 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
Links do not have a discernible name
naval.ntua.gr 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
naval.ntua.gr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
EL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Naval.ntua.gr can be misinterpreted by Google and other search engines. Our service has detected that Greek is used on the page, and it does not match the claimed English language. Our system also found out that Naval.ntua.gr 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.
naval.ntua.gr
Open Graph description is not detected on the main page of Naval Ntua. 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: