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ntua.gr screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

ntua.gr

ΕΘΝΙΚΟ ΜΕΤΣΟΒΙΟ ΠΟΛΥΤΕΧΝΕΙΟ

Page Load Speed

3.5 sec in total

First Response

616 ms

Resources Loaded

2.7 sec

Page Rendered

185 ms

ntua.gr screenshot

About Website

Welcome to ntua.gr homepage info - get ready to check Ntua best content for Greece right away, or after learning these important things about ntua.gr

Visit ntua.gr

Key Findings

We analyzed Ntua.gr page load time and found that the first response time was 616 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

ntua.gr performance score

0

Network Requests Diagram

ntua.gr

616 ms

www.ntua.gr

648 ms

flyout_h.css

266 ms

mktree.js

277 ms

content.css

279 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Ntua.gr, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Labs.apnic.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ntua.gr.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.8 kB (9%)

Content Size

689.7 kB

After Optimization

624.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ntua.gr main page is 689.7 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. 15% of websites need less resources to load. Images take 623.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 18.2 kB

  • Original 22.4 kB
  • After minification 16.6 kB
  • After compression 4.3 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. This page needs HTML code to be minified as it can gain 5.8 kB, which is 26% 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 18.2 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 16.4 kB

  • Original 623.2 kB
  • After minification 606.8 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. Ntua images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 4.0 kB

  • Original 10.8 kB
  • After minification 9.6 kB
  • After compression 6.7 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 4.0 kB or 38% of the original size.

CSS Optimization

-79%

Potential reduce by 26.2 kB

  • Original 33.3 kB
  • After minification 31.0 kB
  • After compression 7.1 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. Ntua.gr needs all CSS files to be minified and compressed as it can save up to 26.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (11%)

Requests Now

28

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ntua.gr

ntua.gr

616 ms

www.ntua.gr

www.ntua.gr

648 ms

flyout_h.css

flyout_h.css

266 ms

mktree.js

mktree.js

277 ms

content.css

content.css

279 ms

mktree.css

mktree.css

280 ms

urchin.js

urchin.js

7 ms

measureipv6js.cgi

measureipv6js.cgi

798 ms

english2.png

english2.png

143 ms

bg-grey3.png

bg-grey3.png

154 ms

gold_pyrforos_small301.png

gold_pyrforos_small301.png

152 ms

transparent.gif

transparent.gif

150 ms

ntua-header-empty.png

ntua-header-empty.png

327 ms

opaque3.png

opaque3.png

291 ms

opaque.png

opaque.png

325 ms

bg-orange2.png

bg-orange2.png

326 ms

search5.png

search5.png

328 ms

schools-vert3.png

schools-vert3.png

328 ms

civil.jpg

civil.jpg

479 ms

mech.jpg

mech.jpg

518 ms

ece.jpg

ece.jpg

520 ms

arch.jpg

arch.jpg

519 ms

chemeng.jpg

chemeng.jpg

521 ms

survey.jpg

survey.jpg

521 ms

metal.jpg

metal.jpg

669 ms

naval.jpg

naval.jpg

679 ms

semfe.jpg

semfe.jpg

681 ms

rss.png

rss.png

680 ms

__utm.gif

__utm.gif

3 ms

ntua-01.jpg

ntua-01.jpg

1089 ms

flyout_h_print_inner.css

flyout_h_print_inner.css

164 ms

SEO Factors

ntua.gr SEO score

0

Language and Encoding

  • Language Detected

    EL

  • Language Claimed

    EN

  • Encoding

    ISO-8859-7

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 Ntua.gr main page’s claimed encoding is iso-8859-7. 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.

Social Sharing Optimization

ntua.gr

Open Graph description is not detected on the main page of 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: