Access thechemistrynotes.com. The Chemistry Notes

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About Website

Visit thechemistrynotes.com now to see the best up-to-date The Chemistry Notes content and also check out these interesting facts you probably never knew about thechemistrynotes.com

The Chemistry Notes is an educational niche website related to chemistry (Physical, Organic, Inorganic Chemistry, Biochemistry, Periodic Table, etc.)

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

scienceinfo.com

93 ms

style.min.css

11 ms

text-only.min.css

23 ms

unsemantic-grid.min.css

18 ms

style.min.css

20 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Thechemistrynotes.com and no external sources were called. The less responsive or slowest element that took the longest time to load (93 ms) relates to the external source Scienceinfo.com.

Content Size

526.5 kB

After Optimization

382.0 kB

In fact, the total size of Thechemistrynotes.com main page is 526.5 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. 30% of websites need less resources to load. Images take 309.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 141.5 kB

Original 185.9 kB
After minification 185.4 kB
After compression 44.4 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 141.5 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 2.9 kB

Original 309.1 kB
After minification 306.3 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. The Chemistry Notes images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 49 B

Original 8.5 kB
After minification 8.5 kB
After compression 8.5 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

-0%

Potential reduce by 97 B

Original 23.0 kB
After minification 23.0 kB
After compression 22.9 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. Thechemistrynotes.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Chemistry Notes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Thechemistrynotes.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 Thechemistrynotes.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

thechemistrynotes.com

Open Graph data is detected on the main page of The Chemistry Notes. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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Performance

Accessibility

Best Practices

SEO

The Chemistry Notes - Online Chemistry Study Notes

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)