Tools & Wizards About Us
mdavidmerrill.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

mdavidmerrill.com

M David Merrill – My Search for Effective, Efficient and Engaging Instruction

Page Load Speed

1.5 sec in total

First Response

13 ms

Resources Loaded

1.2 sec

Page Rendered

277 ms

mdavidmerrill.com screenshot

About Website

Visit mdavidmerrill.com now to see the best up-to-date M David Merrill content and also check out these interesting facts you probably never knew about mdavidmerrill.com

This site is an archive of important publications and presentations during my career as a university professor. Please contact me for lectures or consulting.

Visit mdavidmerrill.com

Key Findings

We analyzed Mdavidmerrill.com page load time and found that the first response time was 13 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

mdavidmerrill.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value2,080 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.291

41/100

15%

TTI (Time to Interactive)

Value7.4 s

49/100

10%

Network Requests Diagram

mdavidmerrill.wordpress.com

13 ms

mdavidmerrill.wordpress.com

284 ms

webfont.js

88 ms

wp-emoji-release.min.js

109 ms

118 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Mdavidmerrill.com, 14% (5 requests) were made to S1.wp.com and 11% (4 requests) were made to 0.gravatar.com. The less responsive or slowest element that took the longest time to load (604 ms) relates to the external source Mdavidmerrill.files.wordpress.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.6 kB (13%)

Content Size

539.9 kB

After Optimization

468.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mdavidmerrill.com main page is 539.9 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. 40% of websites need less resources to load. Images take 421.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 67.2 kB

  • Original 86.8 kB
  • After minification 83.5 kB
  • After compression 19.7 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 67.2 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 2.6 kB

  • Original 421.5 kB
  • After minification 418.9 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. M David Merrill images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 1.6 kB

  • Original 22.0 kB
  • After minification 22.0 kB
  • After compression 20.4 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

-2%

Potential reduce by 157 B

  • Original 9.5 kB
  • After minification 9.5 kB
  • After compression 9.4 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. Mdavidmerrill.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (63%)

Requests Now

32

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of M David Merrill. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mdavidmerrill.wordpress.com

mdavidmerrill.wordpress.com

13 ms

mdavidmerrill.wordpress.com

mdavidmerrill.wordpress.com

284 ms

webfont.js

webfont.js

88 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

109 ms

118 ms

140 ms

css

css

162 ms

96 ms

148 ms

93 ms

140 ms

style.css

style.css

115 ms

gprofiles.js

gprofiles.js

144 ms

wpgroho.js

wpgroho.js

144 ms

128 ms

137 ms

136 ms

w.js

w.js

150 ms

print.css

print.css

143 ms

css

css

129 ms

head-shot-transparent-e1555109123431.jpg

head-shot-transparent-e1555109123431.jpg

604 ms

c57112d33d9870f9f4c1425e414800b5

c57112d33d9870f9f4c1425e414800b5

137 ms

dc78866988cc392c518ebdb47f77fab4

dc78866988cc392c518ebdb47f77fab4

363 ms

wpcom-gray-white.png

wpcom-gray-white.png

124 ms

a2f05c540e264bb61dd589df1f9f9428

a2f05c540e264bb61dd589df1f9f9428

267 ms

ad516503a11cd5ca435acc9bb6523536

ad516503a11cd5ca435acc9bb6523536

270 ms

nNLGlOfl1OzZ1Yksrf7NTe3mN+KAIu1M6sZ2Ten4tSOXV2YmrnejTFF63+6YO55nCh1tdxy0X5xieS3dIKs955QVFcUfQjyYFwAA

nNLGlOfl1OzZ1Yksrf7NTe3mN+KAIu1M6sZ2Ten4tSOXV2YmrnejTFF63+6YO55nCh1tdxy0X5xieS3dIKs955QVFcUfQjyYFwAA

11 ms

social-logos.eot

social-logos.eot

146 ms

Noticons.svg

Noticons.svg

213 ms

BaABdRAi2AAAA

BaABdRAi2AAAA

10 ms

g.gif

g.gif

69 ms

hovercard.min.css

hovercard.min.css

51 ms

services.min.css

services.min.css

71 ms

g.gif

g.gif

44 ms

g.gif

g.gif

64 ms

actionbar.css

actionbar.css

3 ms

actionbar.js

actionbar.js

42 ms

Accessibility Review

mdavidmerrill.com accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

Links do not have a discernible name

Best Practices

mdavidmerrill.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

mdavidmerrill.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mdavidmerrill.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 Mdavidmerrill.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

mdavidmerrill.com

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