Tools & Wizards About Us
aanda.org screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

aanda.org

Astronomy & Astrophysics (A&A)

Page Load Speed

7.9 sec in total

First Response

370 ms

Resources Loaded

7 sec

Page Rendered

520 ms

aanda.org screenshot

About Website

Visit aanda.org now to see the best up-to-date Aanda content for China and also check out these interesting facts you probably never knew about aanda.org

Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics

Visit aanda.org

Key Findings

We analyzed Aanda.org page load time and found that the first response time was 370 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

aanda.org performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value1,650 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

aanda.org

370 ms

www.aanda.org

3936 ms

jquery.qtip.min.css

57 ms

jquery.magnific-popup.css

53 ms

jquery-ui.css

39 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 72% of them (69 requests) were addressed to the original Aanda.org, 5% (5 requests) were made to Youtube.com and 4% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.9 sec) belongs to the original domain Aanda.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.0 kB (16%)

Content Size

1.0 MB

After Optimization

851.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aanda.org main page is 1.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 414.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 88.7 kB

  • Original 105.8 kB
  • After minification 87.2 kB
  • After compression 17.1 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 18.6 kB, which is 18% 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 88.7 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 22.6 kB

  • Original 414.1 kB
  • After minification 391.5 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. Aanda images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 39.6 kB

  • Original 386.8 kB
  • After minification 386.6 kB
  • After compression 347.3 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

-7%

Potential reduce by 7.1 kB

  • Original 102.5 kB
  • After minification 100.8 kB
  • After compression 95.4 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. Aanda.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (48%)

Requests Now

75

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aanda. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

aanda.org

aanda.org

370 ms

www.aanda.org

www.aanda.org

3936 ms

jquery.qtip.min.css

jquery.qtip.min.css

57 ms

jquery.magnific-popup.css

jquery.magnific-popup.css

53 ms

jquery-ui.css

jquery-ui.css

39 ms

list_tab.css

list_tab.css

57 ms

style.css

style.css

59 ms

style.css

style.css

61 ms

mod_solr.css

mod_solr.css

60 ms

jquery.min.js

jquery.min.js

42 ms

jquerynoconflict.js

jquerynoconflict.js

67 ms

jquery-ui.min.js

jquery-ui.min.js

61 ms

jquery.multiselect.min.js

jquery.multiselect.min.js

76 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

70 ms

jquery.qtip.min.js

jquery.qtip.min.js

76 ms

js

js

74 ms

jquery.autocomplete.js

jquery.autocomplete.js

72 ms

css2

css2

41 ms

article.css

article.css

75 ms

cookie.css

cookie.css

80 ms

commun_v3.css

commun_v3.css

84 ms

template1.css

template1.css

86 ms

flags25.css

flags25.css

87 ms

aa.css

aa.css

104 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

88 ms

jquery.mmenu.all.min.js

jquery.mmenu.all.min.js

96 ms

script.js

script.js

89 ms

cookie.js

cookie.js

94 ms

common.js

common.js

92 ms

jquery.multiselect.css

jquery.multiselect.css

67 ms

mod_solr.css

mod_solr.css

60 ms

jquery.multiselect.min.js

jquery.multiselect.min.js

53 ms

jquery.qtip.min.js

jquery.qtip.min.js

51 ms

commun_v3.css

commun_v3.css

54 ms

flags25.css

flags25.css

37 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

36 ms

script.js

script.js

36 ms

mod_solr.css

mod_solr.css

24 ms

jquery.qtip.min.js

jquery.qtip.min.js

20 ms

flags25.css

flags25.css

16 ms

mod_solr.css

mod_solr.css

18 ms

flags25.css

flags25.css

164 ms

js

js

47 ms

js

js

51 ms

logo_edp_105.svg

logo_edp_105.svg

40 ms

logo_aa.svg

logo_aa.svg

98 ms

flags25.css

flags25.css

38 ms

analytics.js

analytics.js

62 ms

flags25.css

flags25.css

63 ms

s2o_logo_100.png

s2o_logo_100.png

677 ms

iV0uYh4-_vU

iV0uYh4-_vU

204 ms

Ukraine.jpg

Ukraine.jpg

94 ms

AA_OA_2024_PR.jpg

AA_OA_2024_PR.jpg

95 ms

202449198.jpg

202449198.jpg

126 ms

202348024.jpg

202348024.jpg

96 ms

202349015.jpg

202349015.jpg

93 ms

202349061.jpg

202349061.jpg

94 ms

photocouv685-3.jpg

photocouv685-3.jpg

750 ms

s2o_logo_100.png

s2o_logo_100.png

135 ms

1717.png

1717.png

750 ms

bg_stars.png

bg_stars.png

125 ms

1611.png

1611.png

748 ms

1641.png

1641.png

748 ms

1342.png

1342.png

749 ms

photocouv685-1.jpg

photocouv685-1.jpg

748 ms

photocouv685-2.jpg

photocouv685-2.jpg

1241 ms

photocouv684-1.jpg

photocouv684-1.jpg

1253 ms

photocouv684-2.jpg

photocouv684-2.jpg

1216 ms

photocouv684-3.jpg

photocouv684-3.jpg

1249 ms

photocouv684-4.jpg

photocouv684-4.jpg

1253 ms

photocouv683-1.jpg

photocouv683-1.jpg

1214 ms

photocouv683-2.jpg

photocouv683-2.jpg

1821 ms

photocouv683-3.jpg

photocouv683-3.jpg

1866 ms

photocouv683-4.jpg

photocouv683-4.jpg

1877 ms

trophy_48.png

trophy_48.png

1270 ms

ico_oa2.png

ico_oa2.png

1271 ms

aa_poster_part1.png

aa_poster_part1.png

1284 ms

logo_edp_fff.svg

logo_edp_fff.svg

1289 ms

collect

collect

15 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

48 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

107 ms

FontAwesome.otf

FontAwesome.otf

1230 ms

ga.js

ga.js

12 ms

__utm.gif

__utm.gif

62 ms

__utm.gif

__utm.gif

77 ms

www-player.css

www-player.css

20 ms

www-embed-player.js

www-embed-player.js

42 ms

base.js

base.js

88 ms

ad_status.js

ad_status.js

257 ms

LvMrC3vzHFP8SzxjvqNWRksbkOPiJTf11ILX4Pq8Ybc.js

LvMrC3vzHFP8SzxjvqNWRksbkOPiJTf11ILX4Pq8Ybc.js

203 ms

embed.js

embed.js

99 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

17 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

36 ms

id

id

25 ms

Create

Create

122 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

aanda.org accessibility score

78

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

aanda.org 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

High

Page has valid source maps

SEO Factors

aanda.org SEO score

72

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

High

Image elements do not have [alt] attributes

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 Aanda.org 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 Aanda.org 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

aanda.org

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