Access allabouttesla.com. All About Tesla - Nikola Tesla Blog, News, Documentary, Biography

Report Summary

About Website

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How to Cope with Climate Change | Nikola Tesla (1856-1943) is the inventor of the AC power system. Tesla wanted to transmit energy without wires. Director Michael Krause went on a journey to find out ...

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

www.allabouttesla.com

712 ms

style.css

105 ms

style.min.css

208 ms

classic-themes.min.css

213 ms

player.js

31 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 80% of them (36 requests) were addressed to the original Allabouttesla.com, 7% (3 requests) were made to Player.vimeo.com and 4% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (753 ms) belongs to the original domain Allabouttesla.com.

Content Size

863.6 kB

After Optimization

687.2 kB

In fact, the total size of Allabouttesla.com main page is 863.6 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 655.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 54.8 kB

Original 68.8 kB
After minification 67.9 kB
After compression 14.0 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 54.8 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 18.6 kB

Original 655.0 kB
After minification 636.4 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. All About Tesla images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 13.7 kB

Original 35.8 kB
After minification 35.7 kB
After compression 22.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 13.7 kB or 38% of the original size.

CSS Optimization

-86%

Potential reduce by 89.3 kB

Original 104.0 kB
After minification 102.5 kB
After compression 14.7 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. Allabouttesla.com needs all CSS files to be minified and compressed as it can save up to 89.3 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of All About Tesla. 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 as a result speed up the page load time.

Accessibility Issues

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.

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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 Allabouttesla.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 Allabouttesla.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

allabouttesla.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

All About Tesla - Nikola Tesla Blog, News, Documentary, Biography

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)