Tools & Wizards About Us
phaeno.de screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

phaeno.de

Science Center für Jung & Alt in Wolfsburg - phaeno

Page Load Speed

5.7 sec in total

First Response

432 ms

Resources Loaded

4.3 sec

Page Rendered

976 ms

phaeno.de screenshot

About Website

Welcome to phaeno.de homepage info - get ready to check Phaeno best content for Germany right away, or after learning these important things about phaeno.de

Das Phaeno in Wolfsburg ist ein einzigartiges Wissenschaftsmuseum, das Besucher jeden Alters mit seiner futuristischen Architektur und interaktiven Ausstellungen fasziniert. Mit über 350 Experimentier...

Visit phaeno.de

Key Findings

We analyzed Phaeno.de page load time and found that the first response time was 432 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

phaeno.de performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.175

69/100

15%

TTI (Time to Interactive)

Value5.0 s

76/100

10%

Network Requests Diagram

phaeno.de

432 ms

phaeno.de

452 ms

www.phaeno.de

827 ms

merged-7068aacd41c2adc61e4d6d679c0fa441-e3e5909ef0b4ab4a6d6a9593a4b028a2.css.1715872195.gz

112 ms

website.bundle-5888e78a910f957112bc37f842b4e258.css.1715872195.gz

334 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 90% of them (44 requests) were addressed to the original Phaeno.de, 8% (4 requests) were made to Scontent-ham3-1.cdninstagram.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Scontent-ham3-1.cdninstagram.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.3 kB (8%)

Content Size

2.9 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Phaeno.de main page is 2.9 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. 45% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 112.3 kB

  • Original 144.2 kB
  • After minification 127.2 kB
  • After compression 31.9 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 17.0 kB, which is 12% 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 112.3 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 109.0 kB

  • Original 2.5 MB
  • After minification 2.4 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. Phaeno images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 119.8 kB
  • After minification 119.8 kB
  • After compression 119.8 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

-0%

Potential reduce by 21 B

  • Original 66.6 kB
  • After minification 66.6 kB
  • After compression 66.6 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. Phaeno.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (7%)

Requests Now

46

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Phaeno. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

phaeno.de

phaeno.de

432 ms

phaeno.de

phaeno.de

452 ms

www.phaeno.de

www.phaeno.de

827 ms

merged-7068aacd41c2adc61e4d6d679c0fa441-e3e5909ef0b4ab4a6d6a9593a4b028a2.css.1715872195.gz

merged-7068aacd41c2adc61e4d6d679c0fa441-e3e5909ef0b4ab4a6d6a9593a4b028a2.css.1715872195.gz

112 ms

website.bundle-5888e78a910f957112bc37f842b4e258.css.1715872195.gz

website.bundle-5888e78a910f957112bc37f842b4e258.css.1715872195.gz

334 ms

merged-1d7fa1c3a4df2b1e26919fe0b15b4166-151df84c72c952399b35a5e226db1ca8.css.1715872195.gz

merged-1d7fa1c3a4df2b1e26919fe0b15b4166-151df84c72c952399b35a5e226db1ca8.css.1715872195.gz

334 ms

js

js

73 ms

merged-150e5b2a433d5ef8cf597100e4e94d99-8ddae46d0dbb389ddd4a20a8620a4722.js.1715872195.gz

merged-150e5b2a433d5ef8cf597100e4e94d99-8ddae46d0dbb389ddd4a20a8620a4722.js.1715872195.gz

429 ms

runtime.bundle-2b91f27bf323adc0afa06ce0c1d11e82.js.1715872195.gz

runtime.bundle-2b91f27bf323adc0afa06ce0c1d11e82.js.1715872195.gz

431 ms

website.bundle-da3b57a5d20b61ea8451235e0f59bcfc.js.1715872195.gz

website.bundle-da3b57a5d20b61ea8451235e0f59bcfc.js.1715872195.gz

447 ms

442409920_18439120453050372_2361961793728103915_n.jpg

442409920_18439120453050372_2361961793728103915_n.jpg

1217 ms

442453837_1813970375788390_7535397292241467939_n.jpg

442453837_1813970375788390_7535397292241467939_n.jpg

1422 ms

441521023_18438300241050372_1541308311924078840_n.jpg

441521023_18438300241050372_1541308311924078840_n.jpg

2006 ms

441498180_18438278383050372_5335408488603798102_n.jpg

441498180_18438278383050372_5335408488603798102_n.jpg

2246 ms

csm_reflexe_2_8b3eecc2bb.jpg

csm_reflexe_2_8b3eecc2bb.jpg

112 ms

csm_Bistro_Pizza_vegetarisch_4f004202fa.jpg

csm_Bistro_Pizza_vegetarisch_4f004202fa.jpg

113 ms

csm_04_Cone_Suedseite-B-K_f4037e2f10.jpg

csm_04_Cone_Suedseite-B-K_f4037e2f10.jpg

113 ms

csm_phaeno_Tisch_VIII_Foto_Joachim_Mottl_1a2528af7b.jpg

csm_phaeno_Tisch_VIII_Foto_Joachim_Mottl_1a2528af7b.jpg

112 ms

csm_phaeno-gebaeude-aussenansicht_84913eddfc.png

csm_phaeno-gebaeude-aussenansicht_84913eddfc.png

333 ms

csm_EP3R3056_745c1bb5fe.jpg

csm_EP3R3056_745c1bb5fe.jpg

179 ms

csm_wichtige_Infos___4__2731db1ae7.png

csm_wichtige_Infos___4__2731db1ae7.png

222 ms

csm_Kaplabauten_Foto_phaeno___1__21eb4c1f80.jpg

csm_Kaplabauten_Foto_phaeno___1__21eb4c1f80.jpg

222 ms

csm_Schools_out_SK_48cac13cdb.png

csm_Schools_out_SK_48cac13cdb.png

332 ms

csm_Kopie_von_Schools__Einladung_im_Querformat__32ed4e504b.png

csm_Kopie_von_Schools__Einladung_im_Querformat__32ed4e504b.png

334 ms

csm_Wissenschaft_mit_Charme_und_Witz_Foto__grthirteen_-_Fotolia_0f4620f2a0.jpg

csm_Wissenschaft_mit_Charme_und_Witz_Foto__grthirteen_-_Fotolia_0f4620f2a0.jpg

289 ms

csm_Kaplabauten_Foto_phaeno___1__0a7b1a70f7.jpg

csm_Kaplabauten_Foto_phaeno___1__0a7b1a70f7.jpg

333 ms

csm_Spiegelwelten__20__6529dd0d6d.jpg

csm_Spiegelwelten__20__6529dd0d6d.jpg

334 ms

csm_150609_49_Janina_Snatzke_e607a49dfc.jpg

csm_150609_49_Janina_Snatzke_e607a49dfc.jpg

400 ms

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csm_211122_js_049_8416da2e7a.jpg

442 ms

csm_PXL_20231122_114153377_98c86af5ab.jpg

csm_PXL_20231122_114153377_98c86af5ab.jpg

444 ms

csm_erstauntes-maedchen-freisteller_2d55060169.png

csm_erstauntes-maedchen-freisteller_2d55060169.png

662 ms

csm_erstaunter-junge-freisteller_b3dc24812b.png

csm_erstaunter-junge-freisteller_b3dc24812b.png

555 ms

csm_familie-freisteller_9dec0a5a9e.png

csm_familie-freisteller_9dec0a5a9e.png

553 ms

phaeno-logo-claim.svg

phaeno-logo-claim.svg

511 ms

csm_footer-emotion-4_843b496132.jpg

csm_footer-emotion-4_843b496132.jpg

553 ms

csm_footer-emotion-2_02c1f07e43.jpg

csm_footer-emotion-2_02c1f07e43.jpg

555 ms

csm_footer-emotion-3_60a6baff9b.jpg

csm_footer-emotion-3_60a6baff9b.jpg

622 ms

phaeno-logo-claim-space.svg

phaeno-logo-claim-space.svg

664 ms

ec.svg

ec.svg

665 ms

visa.svg

visa.svg

667 ms

maestro.svg

maestro.svg

668 ms

mastercard.svg

mastercard.svg

732 ms

american-express.svg

american-express.svg

772 ms

girocard.svg

girocard.svg

774 ms

cash.svg

cash.svg

777 ms

Volkswagen.svg

Volkswagen.svg

776 ms

Sparkasse-Celle-Gifhorn-Wolfsburg.svg

Sparkasse-Celle-Gifhorn-Wolfsburg.svg

735 ms

Kultusministerium-Niedersachsen.svg

Kultusministerium-Niedersachsen.svg

804 ms

Geo.svg

Geo.svg

827 ms

Accessibility Review

phaeno.de accessibility score

93

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

[role] values are not valid

Best Practices

phaeno.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

phaeno.de SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

phaeno.de

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