Tools & Wizards About Us
mass-gravity.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

mass-gravity.com

Mass and Gravity Explanation

Page Load Speed

1.2 sec in total

First Response

79 ms

Resources Loaded

982 ms

Page Rendered

164 ms

mass-gravity.com screenshot

About Website

Click here to check amazing Mass Gravity content. Otherwise, check out these important facts you probably never knew about mass-gravity.com

Mass and Gravity - Proposes a simple explanation of mass and gravitation, and makes the connection to General Relativity.

Visit mass-gravity.com

Key Findings

We analyzed Mass-gravity.com page load time and found that the first response time was 79 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

mass-gravity.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value1.5 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

mass-gravity.com

79 ms

mass-gravity.com

99 ms

mass_index.css

209 ms

fond.jpg

80 ms

idx_top.jpg

81 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Mass-gravity.com and no external sources were called. The less responsive or slowest element that took the longest time to load (319 ms) belongs to the original domain Mass-gravity.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 10.9 kB (34%)

Content Size

32.4 kB

After Optimization

21.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Mass-gravity.com main page is 32.4 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. Only 5% of websites need less resources to load. Images take 20.2 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 4.9 kB

  • Original 7.8 kB
  • After minification 6.8 kB
  • After compression 2.9 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 1.0 kB, which is 13% 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 4.9 kB or 63% of the original size.

Image Optimization

-11%

Potential reduce by 2.1 kB

  • Original 20.2 kB
  • After minification 18.0 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, Mass Gravity needs image optimization as it can save up to 2.1 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-86%

Potential reduce by 3.9 kB

  • Original 4.5 kB
  • After minification 2.6 kB
  • After compression 610 B

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. Mass-gravity.com needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 86% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

  • Images
  • CSS

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mass Gravity. According to our analytics all requests are already optimized.

Network Requests Diagram

mass-gravity.com

mass-gravity.com

79 ms

mass-gravity.com

mass-gravity.com

99 ms

mass_index.css

mass_index.css

209 ms

fond.jpg

fond.jpg

80 ms

idx_top.jpg

idx_top.jpg

81 ms

spacetime_model_1.gif

spacetime_model_1.gif

245 ms

mass_gravity.gif

mass_gravity.gif

319 ms

problems_html5.gif

problems_html5.gif

200 ms

intro_over.gif

intro_over.gif

59 ms

intro_down.gif

intro_down.gif

56 ms

mass_over.gif

mass_over.gif

75 ms

mass_down.gif

mass_down.gif

108 ms

gravitation_over.gif

gravitation_over.gif

59 ms

gravitation_down.gif

gravitation_down.gif

53 ms

applications_over.gif

applications_over.gif

86 ms

applications_down.gif

applications_down.gif

132 ms

maths_over.gif

maths_over.gif

149 ms

maths_down.gif

maths_down.gif

140 ms

comment_over.gif

comment_over.gif

185 ms

comment_down.gif

comment_down.gif

143 ms

stat_over.gif

stat_over.gif

194 ms

stat_down.gif

stat_down.gif

195 ms

download_over.gif

download_over.gif

230 ms

download_down.gif

download_down.gif

199 ms

websites_over.gif

websites_over.gif

237 ms

websites_down.gif

websites_down.gif

263 ms

contact_over.gif

contact_over.gif

269 ms

contact_down.gif

contact_down.gif

264 ms

Accessibility Review

mass-gravity.com accessibility score

100

Accessibility Issues

Best Practices

mass-gravity.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

mass-gravity.com SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Mass-gravity.com 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 Mass-gravity.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

mass-gravity.com

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