Access oliversacks.com. Oliver Sacks | Official Website of Author & Neurologist

Report Summary

About Website

Welcome to oliversacks.com homepage info - get ready to check Oliver Sacks best content for United States right away, or after learning these important things about oliversacks.com

"The Poet Laureate of Medicine" — The New York Times Dr. Oliver Sacks was a physician, best-selling author, and professor of neurology. He is the author of many books, including Musicophilia, Awaken...

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value1,380 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

oliversacks.com

123 ms

www.oliversacks.com

22 ms

www.oliversacks.com

228 ms

cookie-law-info-public.css

24 ms

cookie-law-info-gdpr.css

37 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 71% of them (36 requests) were addressed to the original Oliversacks.com, 14% (7 requests) were made to Use.typekit.net and 4% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (444 ms) belongs to the original domain Oliversacks.com.

Content Size

6.6 MB

After Optimization

5.9 MB

In fact, the total size of Oliversacks.com main page is 6.6 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 152.8 kB

Original 178.7 kB
After minification 177.6 kB
After compression 25.9 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. 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 152.8 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 509.7 kB

Original 6.0 MB
After minification 5.5 MB

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. Oliver Sacks images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.0 kB

Original 236.1 kB
After minification 236.1 kB
After compression 233.2 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

-1%

Potential reduce by 1.5 kB

Original 123.5 kB
After minification 123.5 kB
After compression 122.0 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. Oliversacks.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oliver Sacks. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

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 Oliversacks.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 Oliversacks.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

oliversacks.com

Open Graph data is detected on the main page of Oliver Sacks. 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

Oliver Sacks | Official Website of Author & Neurologist

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)