Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 85% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 54

    SEO

    Google-friendlier than
    29% of websites

astro.elte.hu

ELTE Csillagászati Tanszék / Eötvös University Department of Astronomy

Page Load Speed

2.6 sec in total

First Response

438 ms

Resources Loaded

2.1 sec

Page Rendered

136 ms

astro.elte.hu screenshot

About Website

Click here to check amazing Astro ELTE content for Hungary. Otherwise, check out these important facts you probably never knew about astro.elte.hu

Visit astro.elte.hu

Key Findings

We analyzed Astro.elte.hu page load time and found that the first response time was 438 ms and then it took 2.2 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.

Performance Metrics

astro.elte.hu performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value1.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

astro.elte.hu

438 ms

0.gif

206 ms

1.gif

219 ms

2.gif

215 ms

3.gif

220 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that all of those requests were addressed to Astro.elte.hu and no external sources were called. The less responsive or slowest element that took the longest time to load (858 ms) belongs to the original domain Astro.elte.hu.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.7 kB (13%)

Content Size

140.8 kB

After Optimization

123.1 kB

In fact, the total size of Astro.elte.hu main page is 140.8 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 119.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 17.7 kB

  • Original 21.3 kB
  • After minification 20.4 kB
  • After compression 3.6 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 17.7 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 119.5 kB
  • After minification 119.5 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. Astro ELTE images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 17 (22%)

Requests Now

78

After Optimization

61

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astro ELTE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

astro.elte.hu accessibility score

92

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

astro.elte.hu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

astro.elte.hu SEO score

54

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Astro.elte.hu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Astro.elte.hu main page’s claimed encoding is iso-8859-1. 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

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