Tools & Wizards About Us
johnvagabondscience.wordpress.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

johnvagabondscience.wordpress.com

John Vagabond's Physics and Chemistry Blog | Useful stuff for IG, MYP, A level and IB

Page Load Speed

1.1 sec in total

First Response

9 ms

Resources Loaded

738 ms

Page Rendered

380 ms

johnvagabondscience.wordpress.com screenshot

About Website

Click here to check amazing John Vagabond Science Wordpress content for United States. Otherwise, check out these important facts you probably never knew about johnvagabondscience.wordpress.com

Welcome and thanks for dropping by. There's a lot of help for you here if you're in Grades 8 through 12 (MYP and IB) or Year 9 through 13, (IG to A level) doing physics, chemistry or math. T...

Visit johnvagabondscience.wordpress.com

Key Findings

We analyzed Johnvagabondscience.wordpress.com page load time and found that the first response time was 9 ms and then it took 1.1 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

johnvagabondscience.wordpress.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value14.1 s

9/100

10%

Network Requests Diagram

johnvagabondscience.wordpress.com

9 ms

johnvagabondscience.wordpress.com

230 ms

webfont.js

173 ms

172 ms

style.css

164 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Johnvagabondscience.wordpress.com, 21% (9 requests) were made to S0.wp.com and 14% (6 requests) were made to S1.wp.com. The less responsive or slowest element that took the longest time to load (233 ms) relates to the external source Fonts-api.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.5 kB (21%)

Content Size

358.4 kB

After Optimization

282.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Johnvagabondscience.wordpress.com main page is 358.4 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. 50% of websites need less resources to load. Javascripts take 148.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 74.2 kB

  • Original 99.8 kB
  • After minification 97.4 kB
  • After compression 25.6 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 74.2 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 1.2 kB

  • Original 47.3 kB
  • After minification 46.1 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. John Vagabond Science Wordpress images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 691 B

  • Original 148.1 kB
  • After minification 148.1 kB
  • After compression 147.4 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

-1%

Potential reduce by 441 B

  • Original 63.3 kB
  • After minification 63.3 kB
  • After compression 62.9 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. Johnvagabondscience.wordpress.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (65%)

Requests Now

37

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John Vagabond Science Wordpress. 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 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

johnvagabondscience.wordpress.com

johnvagabondscience.wordpress.com

9 ms

johnvagabondscience.wordpress.com

johnvagabondscience.wordpress.com

230 ms

webfont.js

webfont.js

173 ms

172 ms

style.css

style.css

164 ms

212 ms

209 ms

207 ms

verbum-comments.css

verbum-comments.css

230 ms

block-editor.css

block-editor.css

217 ms

193 ms

css

css

233 ms

css

css

233 ms

css

css

232 ms

style-wpcom.css

style-wpcom.css

228 ms

208 ms

214 ms

hovercards.min.js

hovercards.min.js

212 ms

wpgroho.js

wpgroho.js

204 ms

227 ms

w.js

w.js

227 ms

css

css

77 ms

global-print.css

global-print.css

3 ms

conf

conf

171 ms

ga.js

ga.js

129 ms

cropped-wave_13-wallpaper-2880x1620.jpg

cropped-wave_13-wallpaper-2880x1620.jpg

166 ms

bf5ad88b730c9bc6c6ec310c2bfe00e8a8b7f7508e9750bdaf42cf92d07cb7cc

bf5ad88b730c9bc6c6ec310c2bfe00e8a8b7f7508e9750bdaf42cf92d07cb7cc

163 ms

4a784498e077303fed614cf874dbf28f5c2010a2939d8c8fe9c42a105588aa00

4a784498e077303fed614cf874dbf28f5c2010a2939d8c8fe9c42a105588aa00

162 ms

f1996f5a57d48b1beecf0b9cdfa0865fac0b954138752746f603d161acad28d6

f1996f5a57d48b1beecf0b9cdfa0865fac0b954138752746f603d161acad28d6

14 ms

cropped-cropped-screen-shot-91.png

cropped-cropped-screen-shot-91.png

211 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9U6Vc.ttf

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyD9A-9U6Vc.ttf

156 ms

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAaBO9U6Vc.ttf

o-0mIpQlx3QUlC5A4PNB6Ryti20_6n1iPHjcz6L1SoM-jCpoiyAaBO9U6Vc.ttf

156 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4uaVc.ttf

156 ms

Noticons.svg

Noticons.svg

68 ms

BaABdRAi2AAAA

BaABdRAi2AAAA

6 ms

g.gif

g.gif

101 ms

119 ms

g.gif

g.gif

94 ms

g.gif

g.gif

93 ms

__utm.gif

__utm.gif

47 ms

ata.js

ata.js

25 ms

actionbar.css

actionbar.css

10 ms

actionbar.js

actionbar.js

10 ms

Accessibility Review

johnvagabondscience.wordpress.com accessibility score

93

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

johnvagabondscience.wordpress.com 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

SEO Factors

johnvagabondscience.wordpress.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 Johnvagabondscience.wordpress.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 Johnvagabondscience.wordpress.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

johnvagabondscience.wordpress.com

Open Graph data is detected on the main page of John Vagabond Science Wordpress. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: