Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

hdms17.aueb.gr

Τμήμα Διοικητικής Επιστήμης και Τεχνολογίας | Οικονομικό Πανεπιστήμιο Αθηνών

Page Load Speed

7.3 sec in total

First Response

447 ms

Resources Loaded

6.4 sec

Page Rendered

411 ms

hdms17.aueb.gr screenshot

About Website

Visit hdms17.aueb.gr now to see the best up-to-date Hdms 17 Aueb content for Greece and also check out these interesting facts you probably never knew about hdms17.aueb.gr

Visit hdms17.aueb.gr

Key Findings

We analyzed Hdms17.aueb.gr page load time and found that the first response time was 447 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

hdms17.aueb.gr performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value970 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.43

22/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

hdms17.aueb.gr

447 ms

dmst

1087 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

139 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

278 ms

css_5JyD8VdL98xXgt3T-NxjxhwK4KMq2LvetAK3yozu51o.css

417 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Hdms17.aueb.gr, 83% (98 requests) were made to Dept.aueb.gr and 5% (6 requests) were made to Cdn.userway.org. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Dept.aueb.gr.

Page Optimization Overview & Recommendations

Page size can be reduced by 521.6 kB (34%)

Content Size

1.5 MB

After Optimization

1.0 MB

In fact, the total size of Hdms17.aueb.gr main page is 1.5 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 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 217.6 kB

  • Original 253.6 kB
  • After minification 236.6 kB
  • After compression 36.0 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 217.6 kB or 86% of the original size.

Image Optimization

-26%

Potential reduce by 262.0 kB

  • Original 1.0 MB
  • After minification 758.2 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, Hdms 17 Aueb needs image optimization as it can save up to 262.0 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-19%

Potential reduce by 41.6 kB

  • Original 214.6 kB
  • After minification 213.9 kB
  • After compression 173.0 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 41.6 kB or 19% of the original size.

CSS Optimization

-1%

Potential reduce by 477 B

  • Original 51.7 kB
  • After minification 51.7 kB
  • After compression 51.2 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. Hdms17.aueb.gr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (44%)

Requests Now

113

After Optimization

63

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hdms 17 Aueb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hdms17.aueb.gr accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

hdms17.aueb.gr best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

hdms17.aueb.gr SEO score

75

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EL

  • Language Claimed

    EL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hdms17.aueb.gr can be misinterpreted by Google and other search engines. Our service has detected that Greek is used on the page, and it matches the claimed language. Our system also found out that Hdms17.aueb.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Hdms 17 Aueb. 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: