Access positivephysics.org. Positive Physics, Chemistry & STEM | Engaging curriculum for students on any level!

name

value

score

weighting

FCP (First Contentful Paint)

Value12.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.2 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value3,070 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.073

95/100

15%

TTI (Time to Interactive)

Value31.1 s

0/100

10%

positivephysics.org

10 ms

www.positivephysics.org

69 ms

gtm.js

120 ms

element.js

68 ms

bootstrap.min.css

82 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 59% of them (23 requests) were addressed to the original Positivephysics.org, 5% (2 requests) were made to Clarity.ms and 5% (2 requests) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (263 ms) belongs to the original domain Positivephysics.org.

Content Size

1.5 MB

After Optimization

1.1 MB

In fact, the total size of Positivephysics.org main page is 1.5 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. 70% of websites need less resources to load. Javascripts take 666.2 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 132.2 kB

Original 146.4 kB
After minification 60.8 kB
After compression 14.2 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. This page needs HTML code to be minified as it can gain 85.6 kB, which is 58% 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 132.2 kB or 90% of the original size.

Image Optimization

-29%

Potential reduce by 175.4 kB

Original 603.5 kB
After minification 428.1 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, Positive Physics needs image optimization as it can save up to 175.4 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-8%

Potential reduce by 55.7 kB

Original 666.2 kB
After minification 666.2 kB
After compression 610.5 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

-12%

Potential reduce by 4.8 kB

Original 39.9 kB
After minification 39.7 kB
After compression 35.1 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. Positivephysics.org needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 12% of the original size.

Requests Now

After Optimization

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Positive Physics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.