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diyplanetarium.com screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

diyplanetarium.com

DIY Planetarium | Domes - Software - Patterns - Fulldome Video

Page Load Speed

3.1 sec in total

First Response

213 ms

Resources Loaded

2.5 sec

Page Rendered

340 ms

diyplanetarium.com screenshot

About Website

Welcome to diyplanetarium.com homepage info - get ready to check DIY Planetarium best content for United States right away, or after learning these important things about diyplanetarium.com

Visit diyplanetarium.com

Key Findings

We analyzed Diyplanetarium.com page load time and found that the first response time was 213 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

diyplanetarium.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value4,300 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

diyplanetarium.com

213 ms

www.diyplanetarium.com

248 ms

css

34 ms

diy_styles.css

209 ms

style.css

216 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 45% of them (20 requests) were addressed to the original Diyplanetarium.com, 25% (11 requests) were made to Youtube.com and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Diyplanetarium.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.1 kB (10%)

Content Size

1.0 MB

After Optimization

927.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diyplanetarium.com 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. 80% 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 600.2 kB which makes up the majority of the site volume.

HTML Optimization

-62%

Potential reduce by 6.5 kB

  • Original 10.4 kB
  • After minification 9.9 kB
  • After compression 4.0 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. 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 6.5 kB or 62% of the original size.

Image Optimization

-14%

Potential reduce by 86.2 kB

  • Original 600.2 kB
  • After minification 514.0 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, DIY Planetarium needs image optimization as it can save up to 86.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 4.8 kB

  • Original 293.9 kB
  • After minification 293.9 kB
  • After compression 289.1 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

-1%

Potential reduce by 633 B

  • Original 120.6 kB
  • After minification 120.5 kB
  • After compression 120.0 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. Diyplanetarium.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (33%)

Requests Now

39

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DIY Planetarium. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

diyplanetarium.com

diyplanetarium.com

213 ms

www.diyplanetarium.com

www.diyplanetarium.com

248 ms

css

css

34 ms

diy_styles.css

diy_styles.css

209 ms

style.css

style.css

216 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

313 ms

slide.js

slide.js

218 ms

ndnFXO1OxBw

ndnFXO1OxBw

159 ms

CTndXWqmstc

CTndXWqmstc

545 ms

xgSbJ10Wfyg

xgSbJ10Wfyg

613 ms

15237827

15237827

616 ms

bwgraybackground.png

bwgraybackground.png

500 ms

navbarBackground.png

navbarBackground.png

499 ms

header.png

header.png

501 ms

mainWrapper_stripe.png

mainWrapper_stripe.png

498 ms

PIANO-001-sm.png

PIANO-001-sm.png

499 ms

PIANO-002-sm.png

PIANO-002-sm.png

658 ms

PIANO-003-sm.png

PIANO-003-sm.png

679 ms

PIANO-004-sm.png

PIANO-004-sm.png

659 ms

PIANO-005-sm.png

PIANO-005-sm.png

659 ms

PIANO-006-sm.png

PIANO-006-sm.png

659 ms

blenderAppIcon.png

blenderAppIcon.png

657 ms

homepageNEWDOME.jpg

homepageNEWDOME.jpg

1319 ms

softwareGoreGUI.png

softwareGoreGUI.png

1319 ms

iconDIYa.png

iconDIYa.png

1318 ms

Qw3PZQNVED7rKGKxtqIqX5E-AVSJrOCfjY46_DjQbMZhKg.ttf

Qw3PZQNVED7rKGKxtqIqX5E-AVSJrOCfjY46_DjQbMZhKg.ttf

21 ms

www-player.css

www-player.css

16 ms

www-embed-player.js

www-embed-player.js

34 ms

base.js

base.js

62 ms

ad_status.js

ad_status.js

387 ms

wAFWjcG1j0S59k6y9gmRkscrkcYt8sjUn-04af-yL2Q.js

wAFWjcG1j0S59k6y9gmRkscrkcYt8sjUn-04af-yL2Q.js

334 ms

embed.js

embed.js

202 ms

www-player.css

www-player.css

166 ms

www-embed-player.js

www-embed-player.js

185 ms

base.js

base.js

277 ms

91444115-e209751485e6f4d37c80f8b2d7616ae21e7c82914f6b383ec58257af98e9b31a-d

91444115-e209751485e6f4d37c80f8b2d7616ae21e7c82914f6b383ec58257af98e9b31a-d

751 ms

id

id

91 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

52 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

65 ms

Create

Create

685 ms

Create

Create

689 ms

Create

Create

531 ms

embed.js

embed.js

271 ms

id

id

121 ms

Accessibility Review

diyplanetarium.com accessibility score

48

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

diyplanetarium.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

Page has valid source maps

SEO Factors

diyplanetarium.com SEO score

50

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Diyplanetarium.com 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 Diyplanetarium.com 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

diyplanetarium.com

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