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drjohnsonshouse.org screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

drjohnsonshouse.org

Home | Dr Johnson's House

Page Load Speed

1.9 sec in total

First Response

45 ms

Resources Loaded

1.8 sec

Page Rendered

55 ms

drjohnsonshouse.org screenshot

About Website

Visit drjohnsonshouse.org now to see the best up-to-date Dr Johnson S House content for United Kingdom and also check out these interesting facts you probably never knew about drjohnsonshouse.org

Dr Johnson's House is a charitable foundation focused on Samuel Johnson, a professional writer in a new age of print who became one of the greatest literary figures in the English language, redefining...

Visit drjohnsonshouse.org

Key Findings

We analyzed Drjohnsonshouse.org page load time and found that the first response time was 45 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

drjohnsonshouse.org performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

www.drjohnsonshouse.org

45 ms

minified.js

31 ms

focus-within-polyfill.js

29 ms

polyfill.min.js

798 ms

thunderbolt-commons.60ed9a5a.bundle.min.js

45 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Drjohnsonshouse.org, 33% (14 requests) were made to Static.parastorage.com and 30% (13 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (798 ms) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 960.7 kB (61%)

Content Size

1.6 MB

After Optimization

619.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Drjohnsonshouse.org main page is 1.6 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. 30% of websites need less resources to load. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 931.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 221.3 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 931.3 kB or 81% of the original size.

Image Optimization

-14%

Potential reduce by 25.1 kB

  • Original 182.7 kB
  • After minification 157.6 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, Dr Johnson S House needs image optimization as it can save up to 25.1 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

-2%

Potential reduce by 4.2 kB

  • Original 245.0 kB
  • After minification 244.9 kB
  • After compression 240.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (37%)

Requests Now

27

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dr Johnson S House. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.drjohnsonshouse.org

www.drjohnsonshouse.org

45 ms

minified.js

minified.js

31 ms

focus-within-polyfill.js

focus-within-polyfill.js

29 ms

polyfill.min.js

polyfill.min.js

798 ms

thunderbolt-commons.60ed9a5a.bundle.min.js

thunderbolt-commons.60ed9a5a.bundle.min.js

45 ms

main.dda15fae.bundle.min.js

main.dda15fae.bundle.min.js

45 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

44 ms

lodash.min.js

lodash.min.js

44 ms

react.production.min.js

react.production.min.js

44 ms

react-dom.production.min.js

react-dom.production.min.js

48 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

48 ms

2022-17-08-044.jpg

2022-17-08-044.jpg

256 ms

COL_DRJ_78_tif.png

COL_DRJ_78_tif.png

455 ms

buffleheaded_JPG.jpg

buffleheaded_JPG.jpg

438 ms

62e58c_c028d7b801b24c3e84244785cdfb1278~mv2.jpg

62e58c_c028d7b801b24c3e84244785cdfb1278~mv2.jpg

395 ms

Desk.jpg

Desk.jpg

321 ms

costumes%20387.jpg

costumes%20387.jpg

405 ms

_MG_6498_edited.jpg

_MG_6498_edited.jpg

400 ms

For%20Room%20Descriptions%20030_edited.jpg

For%20Room%20Descriptions%20030_edited.jpg

518 ms

COL_DRJ_168_edited_edited.jpg

COL_DRJ_168_edited_edited.jpg

646 ms

qrcode%20(2).png

qrcode%20(2).png

624 ms

Accredited%20Museum.png

Accredited%20Museum.png

607 ms

1ab336_435f13d465eb4fa39314b6f5c2aeb540~mv2.png

1ab336_435f13d465eb4fa39314b6f5c2aeb540~mv2.png

633 ms

bundle.min.js

bundle.min.js

55 ms

file.woff

file.woff

310 ms

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

908c4810-64db-4b46-bb8e-823eb41f68c0.woff

35 ms

AvenirLTW05-35Light.woff

AvenirLTW05-35Light.woff

41 ms

89 ms

89 ms

88 ms

94 ms

94 ms

92 ms

121 ms

122 ms

122 ms

128 ms

129 ms

127 ms

deprecation-en.v5.html

deprecation-en.v5.html

5 ms

bolt-performance

bolt-performance

19 ms

deprecation-style.v5.css

deprecation-style.v5.css

8 ms

right-arrow.svg

right-arrow.svg

5 ms

Accessibility Review

drjohnsonshouse.org accessibility score

96

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

drjohnsonshouse.org best practices score

83

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

drjohnsonshouse.org SEO score

91

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

Links do not have descriptive text

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 Drjohnsonshouse.org 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 Drjohnsonshouse.org 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

drjohnsonshouse.org

Open Graph data is detected on the main page of Dr Johnson S House. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: