Access alberteinsteinsite.com. Albert Einstein Site Online

Report Summary

About Website

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Albert Einstein Website Online. The most comprehensive online web site dedicated to the life of Albert Einstein (1879-1955), the theoretical physicist. Learn more about the theory of relativity, e=mc2...

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

73/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

alberteinsteinsite.com

222 ms

alberteinsteinsite.css

89 ms

addthis_widget.js

13 ms

einstein_olympia.jpg

161 ms

lg-share-en.gif

113 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 75% of them (12 requests) were addressed to the original Alberteinsteinsite.com, 19% (3 requests) were made to S7.addthis.com and 6% (1 request) were made to M.addthis.com. The less responsive or slowest element that took the longest time to load (222 ms) belongs to the original domain Alberteinsteinsite.com.

Content Size

471.7 kB

After Optimization

194.1 kB

In fact, the total size of Alberteinsteinsite.com main page is 471.7 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. 20% of websites need less resources to load. Javascripts take 347.0 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 46.1 kB

Original 66.5 kB
After minification 63.3 kB
After compression 20.3 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 46.1 kB or 69% of the original size.

Image Optimization

-5%

Potential reduce by 2.7 kB

Original 51.3 kB
After minification 48.6 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. Albert Einstein Site images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 223.3 kB

Original 347.0 kB
After minification 347.0 kB
After compression 123.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 223.3 kB or 64% of the original size.

CSS Optimization

-78%

Potential reduce by 5.4 kB

Original 7.0 kB
After minification 5.0 kB
After compression 1.5 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. Alberteinsteinsite.com needs all CSS files to be minified and compressed as it can save up to 5.4 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Albert Einstein Site. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Search Engine Optimization Advices

Language and Encoding

Language Detected

N/A
Language Claimed

EN
Encoding

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alberteinsteinsite.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Alberteinsteinsite.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

alberteinsteinsite.com

Open Graph description is not detected on the main page of Albert Einstein Site. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Albert Einstein Site Online

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)