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remojansen.com screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

remojansen.com

Remo H. Jansen — Former Microsoft MVP, CEO & Founder at Wolk Software

Page Load Speed

3.1 sec in total

First Response

32 ms

Resources Loaded

1.6 sec

Page Rendered

1.5 sec

remojansen.com screenshot

About Website

Visit remojansen.com now to see the best up-to-date Remo Jansen content and also check out these interesting facts you probably never knew about remojansen.com

Empowering digital product teams to thrive — Former Microsoft MVP, CEO & Founder at Wolk Software, EP at JSDayIE, published author and creator of InversifyJS

Visit remojansen.com

Key Findings

We analyzed Remojansen.com page load time and found that the first response time was 32 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

remojansen.com performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value16.9 s

0/100

25%

SI (Speed Index)

Value9.5 s

11/100

10%

TBT (Total Blocking Time)

Value430 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.2

62/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

remojansen.com

32 ms

www.remojansen.com

66 ms

ed89866f617a43c2.css

578 ms

polyfills-c67a75d1b6f99dc8.js

504 ms

webpack-38cee4c0e358b1a3.js

365 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 52% of them (16 requests) were addressed to the original Remojansen.com, 19% (6 requests) were made to Infinite-loop.org and 6% (2 requests) were made to Player.vimeo.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Remojansen.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 228.2 kB (7%)

Content Size

3.4 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Remojansen.com main page is 3.4 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. 15% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 43.7 kB

  • Original 55.8 kB
  • After minification 55.7 kB
  • After compression 12.1 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 43.7 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 125.2 kB

  • Original 3.0 MB
  • After minification 2.9 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. Remo Jansen images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 49.8 kB

  • Original 327.3 kB
  • After minification 327.3 kB
  • After compression 277.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 49.8 kB or 15% of the original size.

CSS Optimization

-25%

Potential reduce by 9.5 kB

  • Original 38.1 kB
  • After minification 38.1 kB
  • After compression 28.6 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. Remojansen.com needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (48%)

Requests Now

23

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Remo Jansen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

remojansen.com

remojansen.com

32 ms

www.remojansen.com

www.remojansen.com

66 ms

ed89866f617a43c2.css

ed89866f617a43c2.css

578 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

504 ms

webpack-38cee4c0e358b1a3.js

webpack-38cee4c0e358b1a3.js

365 ms

framework-2c79e2a64abdb08b.js

framework-2c79e2a64abdb08b.js

548 ms

main-0c597b21730512df.js

main-0c597b21730512df.js

468 ms

_app-a1887a07a68f598b.js

_app-a1887a07a68f598b.js

368 ms

c16184b3-e5c245377685a11b.js

c16184b3-e5c245377685a11b.js

658 ms

2cca2479-d6f8177ada316fa3.js

2cca2479-d6f8177ada316fa3.js

670 ms

510-df02db8cfbf824cf.js

510-df02db8cfbf824cf.js

1315 ms

index-01d098dcfa8b65cb.js

index-01d098dcfa8b65cb.js

966 ms

_buildManifest.js

_buildManifest.js

852 ms

_ssgManifest.js

_ssgManifest.js

909 ms

471691915

471691915

199 ms

me.png

me.png

1464 ms

wolk_logotipo_16.png

wolk_logotipo_16.png

832 ms

js_galaxy_2023.png

js_galaxy_2023.png

13 ms

book.png

book.png

63 ms

functional-typescript-cover-TRANSPARENT.png

functional-typescript-cover-TRANSPARENT.png

81 ms

learning-typescript-cover-TRANSPARENT.png

learning-typescript-cover-TRANSPARENT.png

795 ms

473149967

473149967

236 ms

mvp.jpg

mvp.jpg

1048 ms

loop-b.png

loop-b.png

53 ms

loop-b.png

loop-b.png

27 ms

book.png

book.png

45 ms

api.js

api.js

9 ms

css2

css2

32 ms

bgpattern-9401f028230dd50132f65e6b6a9c8802.png

bgpattern-9401f028230dd50132f65e6b6a9c8802.png

45 ms

bgpattern-9401f028230dd50132f65e6b6a9c8802.png

bgpattern-9401f028230dd50132f65e6b6a9c8802.png

36 ms

font

font

17 ms

Accessibility Review

remojansen.com accessibility score

85

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

remojansen.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

High

Missing source maps for large first-party JavaScript

SEO Factors

remojansen.com SEO score

77

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

Document doesn't have a <title> element

High

Links do not have descriptive text

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

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 Remojansen.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 Remojansen.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

remojansen.com

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