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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

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

diyplanetarium.com

DIY Planetarium | Domes - Software - Patterns - Fulldome Video

Page Load Speed

2.9 sec in total

First Response

93 ms

Resources Loaded

2.5 sec

Page Rendered

299 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 93 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 55% of websites can load faster.

Performance Metrics

diyplanetarium.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value7.1 s

32/100

10%

TBT (Total Blocking Time)

Value2,810 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

diyplanetarium.com

93 ms

diyplanetarium.com

326 ms

www.diyplanetarium.com

333 ms

css

33 ms

diy_styles.css

287 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 54% of them (21 requests) were addressed to the original Diyplanetarium.com, 18% (7 requests) were made to Youtube.com and 8% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Diyplanetarium.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.0 kB (11%)

Content Size

838.5 kB

After Optimization

742.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Diyplanetarium.com main page is 838.5 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 597.0 kB which makes up the majority of the site volume.

HTML Optimization

-61%

Potential reduce by 6.6 kB

  • Original 10.7 kB
  • After minification 10.2 kB
  • After compression 4.2 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 6.6 kB or 61% of the original size.

Image Optimization

-14%

Potential reduce by 86.2 kB

  • Original 597.0 kB
  • After minification 510.9 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 2.6 kB

  • Original 167.6 kB
  • After minification 167.6 kB
  • After compression 165.1 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 63.1 kB
  • After minification 63.0 kB
  • After compression 62.5 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. Diyplanetarium.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (31%)

Requests Now

32

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 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 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

diyplanetarium.com

diyplanetarium.com

93 ms

diyplanetarium.com

diyplanetarium.com

326 ms

www.diyplanetarium.com

www.diyplanetarium.com

333 ms

css

css

33 ms

diy_styles.css

diy_styles.css

287 ms

style.css

style.css

302 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

432 ms

slide.js

slide.js

318 ms

ndnFXO1OxBw

ndnFXO1OxBw

143 ms

CTndXWqmstc

CTndXWqmstc

548 ms

xgSbJ10Wfyg

xgSbJ10Wfyg

594 ms

15237827

15237827

596 ms

bwgraybackground.png

bwgraybackground.png

544 ms

navbarBackground.png

navbarBackground.png

543 ms

header.png

header.png

544 ms

mainWrapper_stripe.png

mainWrapper_stripe.png

545 ms

PIANO-001-sm.png

PIANO-001-sm.png

545 ms

PIANO-002-sm.png

PIANO-002-sm.png

543 ms

PIANO-003-sm.png

PIANO-003-sm.png

686 ms

PIANO-004-sm.png

PIANO-004-sm.png

697 ms

PIANO-005-sm.png

PIANO-005-sm.png

697 ms

PIANO-006-sm.png

PIANO-006-sm.png

685 ms

blenderAppIcon.png

blenderAppIcon.png

684 ms

homepageNEWDOME.jpg

homepageNEWDOME.jpg

765 ms

softwareGoreGUI.png

softwareGoreGUI.png

1143 ms

iconDIYa.png

iconDIYa.png

1145 ms

Qw3PZQNVED7rKGKxtqIqX5E-AVSJrOCfjY46_DjQbMZhKg.ttf

Qw3PZQNVED7rKGKxtqIqX5E-AVSJrOCfjY46_DjQbMZhKg.ttf

19 ms

www-player.css

www-player.css

14 ms

www-embed-player.js

www-embed-player.js

41 ms

base.js

base.js

71 ms

ad_status.js

ad_status.js

444 ms

hkwQPN6l4_SNpHVtjw8vAhWItmV3wkCVMuKaKCsfQ0c.js

hkwQPN6l4_SNpHVtjw8vAhWItmV3wkCVMuKaKCsfQ0c.js

386 ms

embed.js

embed.js

190 ms

id

id

90 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

85 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

102 ms

api.js

api.js

19 ms

Create

Create

355 ms

Create

Create

357 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

58

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

Browser errors were logged to the console

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: