Tools & Wizards About Us
astro.auth.gr screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

astro.auth.gr

AUTH: Section of ASTROPHYSICS, ASTRONOMY & MECHANICS

Page Load Speed

4.1 sec in total

First Response

407 ms

Resources Loaded

3.5 sec

Page Rendered

204 ms

astro.auth.gr screenshot

About Website

Visit astro.auth.gr now to see the best up-to-date Astro AUTH content for Greece and also check out these interesting facts you probably never knew about astro.auth.gr

Aristotle University of Thessaloniki, Physics Department, Section of Astrophysics, Astronomy and Mechanics

Visit astro.auth.gr

Key Findings

We analyzed Astro.auth.gr page load time and found that the first response time was 407 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

astro.auth.gr performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value11.7 s

18/100

10%

Network Requests Diagram

astro.auth.gr

407 ms

264 ms

166 ms

css

40 ms

bootstrap.min.css

275 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 91% of them (41 requests) were addressed to the original Astro.auth.gr, 4% (2 requests) were made to Cdnjs.cloudflare.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Astro.auth.gr.

Page Optimization Overview & Recommendations

Page size can be reduced by 766.2 kB (9%)

Content Size

8.6 MB

After Optimization

7.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astro.auth.gr main page is 8.6 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. 50% of websites need less resources to load. Images take 8.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.0 kB

  • Original 29.5 kB
  • After minification 26.5 kB
  • After compression 6.5 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 23.0 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 742.2 kB

  • Original 8.5 MB
  • After minification 7.7 MB

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. Astro AUTH images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 599 B

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 52.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 477 B

  • Original 30.1 kB
  • After minification 30.1 kB
  • After compression 29.7 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. Astro.auth.gr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (28%)

Requests Now

40

After Optimization

29

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astro AUTH. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

astro.auth.gr

astro.auth.gr

407 ms

264 ms

166 ms

css

css

40 ms

bootstrap.min.css

bootstrap.min.css

275 ms

style.css

style.css

406 ms

jquery.mCustomScrollbar.min.css

jquery.mCustomScrollbar.min.css

393 ms

font-awesome.min.css

font-awesome.min.css

397 ms

jquery.min.js

jquery.min.js

539 ms

bootstrap.min.js

bootstrap.min.js

410 ms

jquery.fittext.js

jquery.fittext.js

411 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

523 ms

custom.js

custom.js

530 ms

MathJax.js

MathJax.js

39 ms

header_bg.jpg

header_bg.jpg

529 ms

astro_logo.png

astro_logo.png

520 ms

auth.png

auth.png

537 ms

00001-seiradakis.jpg

00001-seiradakis.jpg

905 ms

00002-Afisa-Psaltis.jpg

00002-Afisa-Psaltis.jpg

803 ms

0001b-Thorne.jpg

0001b-Thorne.jpg

801 ms

001-100h-small.png

001-100h-small.png

947 ms

01-poster-3rd%20HEL.A.S.%20summer%20school-small2.jpg

01-poster-3rd%20HEL.A.S.%20summer%20school-small2.jpg

691 ms

119_4.png

119_4.png

1065 ms

2017-%CE%91%CE%A0%CE%98-%CE%9A%CE%A5%CE%A1%CE%99%CE%91%CE%9A%CE%97%20-%202s.jpg

2017-%CE%91%CE%A0%CE%98-%CE%9A%CE%A5%CE%A1%CE%99%CE%91%CE%9A%CE%97%20-%202s.jpg

828 ms

4bn.jpg

4bn.jpg

966 ms

Asteroids.jpg

Asteroids.jpg

948 ms

BozzolaPoster.jpg

BozzolaPoster.jpg

965 ms

CrabNebula.jpg

CrabNebula.jpg

1049 ms

DAAD%20Winter%20School%20AUTH.jpg

DAAD%20Winter%20School%20AUTH.jpg

1088 ms

Disk.jpg

Disk.jpg

1082 ms

GW.jpg

GW.jpg

1115 ms

Holomon.png

Holomon.png

1114 ms

MaunaKea.jpg

MaunaKea.jpg

1183 ms

Solar-Terestrial.jpg

Solar-Terestrial.jpg

1205 ms

antikyth.jpg

antikyth.jpg

1229 ms

astro.jpeg

astro.jpeg

1256 ms

bns.jpg

bns.jpg

1248 ms

c1.jpg

c1.jpg

1251 ms

daad.jpg

daad.jpg

1335 ms

hubble.jpg

hubble.jpg

1358 ms

magnetar.jpg

magnetar.jpg

1369 ms

MathJax.js

MathJax.js

48 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1306 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1312 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

17 ms

Accessibility Review

astro.auth.gr accessibility score

85

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

Links do not have a discernible name

Best Practices

astro.auth.gr best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

astro.auth.gr SEO score

89

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Astro.auth.gr 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 Astro.auth.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

astro.auth.gr

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