Tools & Wizards About Us

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

janaxelson.com

Jan Axelson's Lakeview Research

Page Load Speed

2.2 sec in total

First Response

121 ms

Resources Loaded

1.8 sec

Page Rendered

216 ms

About Website

Visit janaxelson.com now to see the best up-to-date Jan Axelson content for India and also check out these interesting facts you probably never knew about janaxelson.com

Information, tools, and books for programmers and system designers involved with USB, the PC's parallel port, RS-232 and RS-485 serial links, 8052-Basic and 8051-family microcontrollers, and making pr...

Visit janaxelson.com

Key Findings

We analyzed Janaxelson.com page load time and found that the first response time was 121 ms and then it took 2.1 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

janaxelson.com performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value1.171

1/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

janaxelson.com

121 ms

SpryMenuBar.js

32 ms

SpryMenuBarHorizontal.css

35 ms

lvr.css

37 ms

adsbygoogle.js

188 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 49% of them (24 requests) were addressed to the original Janaxelson.com, 37% (18 requests) were made to Platform.twitter.com and 6% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (504 ms) relates to the external source Pagead2.googlesyndication.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.4 kB (18%)

Content Size

424.0 kB

After Optimization

345.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Janaxelson.com main page is 424.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 300.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 16.1 kB

  • Original 23.2 kB
  • After minification 21.8 kB
  • After compression 7.1 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 16.1 kB or 69% of the original size.

Image Optimization

-2%

Potential reduce by 1.6 kB

  • Original 87.5 kB
  • After minification 85.9 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. Jan Axelson images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 49.9 kB

  • Original 300.9 kB
  • After minification 279.8 kB
  • After compression 251.0 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 49.9 kB or 17% of the original size.

CSS Optimization

-87%

Potential reduce by 10.8 kB

  • Original 12.5 kB
  • After minification 6.1 kB
  • After compression 1.7 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. Janaxelson.com needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (56%)

Requests Now

48

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jan Axelson. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

janaxelson.com accessibility score

82

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

janaxelson.com best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

janaxelson.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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Janaxelson.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 Janaxelson.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Jan Axelson. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: