Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

josephjaywilliams.com

Joseph Jay Williams

Page Load Speed

1.3 sec in total

First Response

54 ms

Resources Loaded

1.1 sec

Page Rendered

145 ms

josephjaywilliams.com screenshot

About Website

Welcome to josephjaywilliams.com homepage info - get ready to check Joseph Jay Williams best content right away, or after learning these important things about josephjaywilliams.com

The website for Joseph Jay Williams. I do research on improving online education as well as experimental research in cognitive science. Online Education Research Bridging laboratory research and act...

Visit josephjaywilliams.com

Key Findings

We analyzed Josephjaywilliams.com page load time and found that the first response time was 54 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

josephjaywilliams.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value20,300 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.104

88/100

15%

TTI (Time to Interactive)

Value27.9 s

0/100

10%

Network Requests Diagram

josephjaywilliams.com

54 ms

www.josephjaywilliams.com

318 ms

standard-css-simple-ltr-ltr.css

7 ms

overlay.css

51 ms

allthemes-view.css

46 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 27% of them (7 requests) were addressed to the original Josephjaywilliams.com, 15% (4 requests) were made to Youtube.com and 15% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (557 ms) belongs to the original domain Josephjaywilliams.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 707.6 kB (70%)

Content Size

1.0 MB

After Optimization

307.9 kB

In fact, the total size of Josephjaywilliams.com main page is 1.0 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. 25% of websites need less resources to load. Javascripts take 456.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 36.9 kB

  • Original 49.2 kB
  • After minification 49.1 kB
  • After compression 12.2 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. 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 36.9 kB or 75% of the original size.

Image Optimization

-14%

Potential reduce by 8.1 kB

  • Original 58.7 kB
  • After minification 50.6 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. Obviously, Joseph Jay Williams needs image optimization as it can save up to 8.1 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-62%

Potential reduce by 284.7 kB

  • Original 456.6 kB
  • After minification 456.5 kB
  • After compression 171.9 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 284.7 kB or 62% of the original size.

CSS Optimization

-84%

Potential reduce by 377.9 kB

  • Original 451.1 kB
  • After minification 450.1 kB
  • After compression 73.2 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. Josephjaywilliams.com needs all CSS files to be minified and compressed as it can save up to 377.9 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (43%)

Requests Now

21

After Optimization

12

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Joseph Jay Williams. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

josephjaywilliams.com accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

High

ARIA input fields do not have accessible names

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

josephjaywilliams.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Page has valid source maps

SEO Factors

josephjaywilliams.com SEO score

88

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Josephjaywilliams.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Josephjaywilliams.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

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