Tools & Wizards About Us
astronews.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

astronews.com

astronews.com - der deutschsprachige Onlinedienst für Astronomie, Astrophysik und Raumfahrt

Page Load Speed

4.3 sec in total

First Response

368 ms

Resources Loaded

3.5 sec

Page Rendered

464 ms

astronews.com screenshot

About Website

Welcome to astronews.com homepage info - get ready to check Astronews best content for Germany right away, or after learning these important things about astronews.com

astronews.com - der deutschsprachige Online-Dienst fuer Astronomie, Astrophysik und Raumfahrt

Visit astronews.com

Key Findings

We analyzed Astronews.com page load time and found that the first response time was 368 ms and then it took 3.9 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

astronews.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

astronews.com

368 ms

standard.css

33 ms

cookieconsent.min.js

5 ms

brand

164 ms

1.css

148 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 42% of them (54 requests) were addressed to the original Astronews.com, 12% (15 requests) were made to Dmp.theadex.com and 7% (9 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (666 ms) belongs to the original domain Astronews.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 253.4 kB (35%)

Content Size

726.7 kB

After Optimization

473.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astronews.com main page is 726.7 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. 60% of websites need less resources to load. Images take 364.7 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 66.1 kB

  • Original 78.2 kB
  • After minification 65.6 kB
  • After compression 12.0 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. This page needs HTML code to be minified as it can gain 12.6 kB, which is 16% 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 66.1 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 54.9 kB

  • Original 364.7 kB
  • After minification 309.8 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. Obviously, Astronews needs image optimization as it can save up to 54.9 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-45%

Potential reduce by 121.7 kB

  • Original 270.6 kB
  • After minification 265.1 kB
  • After compression 149.0 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 121.7 kB or 45% of the original size.

CSS Optimization

-81%

Potential reduce by 10.7 kB

  • Original 13.2 kB
  • After minification 11.5 kB
  • After compression 2.5 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. Astronews.com needs all CSS files to be minified and compressed as it can save up to 10.7 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (50%)

Requests Now

120

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astronews. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

astronews.com

astronews.com

368 ms

standard.css

standard.css

33 ms

cookieconsent.min.js

cookieconsent.min.js

5 ms

brand

brand

164 ms

1.css

1.css

148 ms

external.php

external.php

666 ms

gpt.js

gpt.js

160 ms

ga.js

ga.js

147 ms

RhgtPz8o43Vqr2vmf93W_2.js

RhgtPz8o43Vqr2vmf93W_2.js

622 ms

teaser_start.jpg

teaser_start.jpg

247 ms

and_verlauf.gif

and_verlauf.gif

246 ms

anc_sidebar_waswert_300.gif

anc_sidebar_waswert_300.gif

242 ms

paypal_logo_74.png

paypal_logo_74.png

277 ms

flattr-badge-large.png

flattr-badge-large.png

242 ms

folgen_sie_anc_300.gif

folgen_sie_anc_300.gif

277 ms

google_plus_button_50.gif

google_plus_button_50.gif

276 ms

facebook_button_50.gif

facebook_button_50.gif

276 ms

twitter_button_50.gif

twitter_button_50.gif

266 ms

rss_button_50.gif

rss_button_50.gif

299 ms

astronews_070305_b_900.gif

astronews_070305_b_900.gif

60 ms

astronews_070305_logo.gif

astronews_070305_logo.gif

60 ms

willkommen.gif

willkommen.gif

61 ms

1602-022.jpg

1602-022.jpg

77 ms

1p_trans.gif

1p_trans.gif

54 ms

anc_bullet_small_normal.gif

anc_bullet_small_normal.gif

76 ms

1602-021_75.jpg

1602-021_75.jpg

216 ms

1602-020_75.jpg

1602-020_75.jpg

76 ms

anc_10jahre_75_75.gif

anc_10jahre_75_75.gif

216 ms

and_verlauf.gif

and_verlauf.gif

196 ms

msl_mission_75.jpg

msl_mission_75.jpg

212 ms

fraganc_104x20px.gif

fraganc_104x20px.gif

211 ms

teaser_sternenhimmel.jpg

teaser_sternenhimmel.jpg

212 ms

raumfahrt_104x20px.gif

raumfahrt_104x20px.gif

213 ms

1602-019_75.jpg

1602-019_75.jpg

214 ms

1602-016_75.jpg

1602-016_75.jpg

212 ms

forschung_104x20px.gif

forschung_104x20px.gif

219 ms

1602-018_75.jpg

1602-018_75.jpg

247 ms

1602-014_75.jpg

1602-014_75.jpg

244 ms

teaser_fernewelten.jpg

teaser_fernewelten.jpg

245 ms

teaser_forum.jpg

teaser_forum.jpg

235 ms

teleskope_104x20px.gif

teleskope_104x20px.gif

243 ms

1602-017_75.jpg

1602-017_75.jpg

263 ms

1602-015_75.jpg

1602-015_75.jpg

265 ms

sonnensystem_104x20px.gif

sonnensystem_104x20px.gif

262 ms

1602-012_75.jpg

1602-012_75.jpg

267 ms

1602-009_75.jpg

1602-009_75.jpg

261 ms

amateur_104x20px.gif

amateur_104x20px.gif

284 ms

1602-002_75.jpg

1602-002_75.jpg

286 ms

1601-023_75.jpg

1601-023_75.jpg

286 ms

sidebar_top_03_300.gif

sidebar_top_03_300.gif

281 ms

anc_sidebar_bilddestages_300.gif

anc_sidebar_bilddestages_300.gif

281 ms

20160215_150.jpg

20160215_150.jpg

485 ms

astronews_60px.gif

astronews_60px.gif

257 ms

20160212_150.jpg

20160212_150.jpg

481 ms

anc_sidebar_entdecken_300.gif

anc_sidebar_entdecken_300.gif

475 ms

brand

brand

251 ms

aktuelle_veranstaltungen_300.gif

aktuelle_veranstaltungen_300.gif

462 ms

diskussionen_im_forum_300.gif

diskussionen_im_forum_300.gif

461 ms

astrolinks_300.gif

astrolinks_300.gif

460 ms

__utm.gif

__utm.gif

111 ms

pubads_impl_80.js

pubads_impl_80.js

108 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

285 ms

ads

ads

173 ms

container.html

container.html

81 ms

ad-image.png

ad-image.png

666 ms

getads.js

getads.js

91 ms

adsbygoogle.js

adsbygoogle.js

88 ms

osd.js

osd.js

20 ms

t.js

t.js

200 ms

ca-pub-9221755480460989.js

ca-pub-9221755480460989.js

173 ms

zrt_lookup.html

zrt_lookup.html

438 ms

show_ads_impl.js

show_ads_impl.js

166 ms

ads

ads

262 ms

impr

impr

264 ms

osd.js

osd.js

47 ms

ads

ads

240 ms

ads

ads

209 ms

js

js

152 ms

adex.js

adex.js

298 ms

rtb

rtb

137 ms

js

js

207 ms

js

js

170 ms

pixel

pixel

84 ms

ck-confirm

ck-confirm

183 ms

match

match

132 ms

ads.js

ads.js

288 ms

pixel

pixel

21 ms

ck-confirm

ck-confirm

218 ms

ck-confirm

ck-confirm

355 ms

pixel

pixel

60 ms

29005-217839-51485-1

29005-217839-51485-1

45 ms

loadImages.js

loadImages.js

41 ms

GRAD558F-WP300X250training.jpg

GRAD558F-WP300X250training.jpg

329 ms

29005-217839-51485-3

29005-217839-51485-3

132 ms

t.js

t.js

241 ms

t.js

t.js

321 ms

29005-217839-51485-0

29005-217839-51485-0

82 ms

ads-common.js

ads-common.js

336 ms

GRAD558F-WP728x90learn.jpg

GRAD558F-WP728x90learn.jpg

245 ms

GRAD558F-WP300X600federally2.jpg

GRAD558F-WP300X600federally2.jpg

233 ms

nuggad

nuggad

197 ms

0

0

196 ms

activeview

activeview

112 ms

analytic.js

analytic.js

106 ms

118 ms

activeview

activeview

86 ms

147 ms

pixel

pixel

38 ms

redirect

redirect

270 ms

cm.gif

cm.gif

112 ms

cm

cm

273 ms

2.gif

2.gif

92 ms

pixel

pixel

27 ms

redirect

redirect

172 ms

2.gif

2.gif

92 ms

2.gif

2.gif

100 ms

cm.gif

cm.gif

110 ms

2.gif

2.gif

103 ms

redirect

redirect

349 ms

redirect

redirect

402 ms

355

355

91 ms

300x250.gif

300x250.gif

12 ms

243 ms

1.gif

1.gif

98 ms

activeview

activeview

28 ms

activeview

activeview

15 ms

2.gif

2.gif

90 ms

829

829

91 ms

2.gif

2.gif

99 ms

light-bottom.css

light-bottom.css

3 ms

Accessibility Review

astronews.com accessibility score

52

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.

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

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

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

astronews.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

astronews.com SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    DE

  • 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 Astronews.com can be misinterpreted by Google and other search engines. Our service has detected that German 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 Astronews.com 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

astronews.com

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