Tools & Wizards About Us
3dsmithchart.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

3dsmithchart.com

3D Smith Chart | A new vision in microwave analysis and design

Page Load Speed

10.4 sec in total

First Response

244 ms

Resources Loaded

9.9 sec

Page Rendered

284 ms

3dsmithchart.com screenshot

About Website

Click here to check amazing 3D Smith Chart content. Otherwise, check out these important facts you probably never knew about 3dsmithchart.com

A new vision in microwave analysis and design. Works for all active & passive microwave circuits, even with negative resistance!

Visit 3dsmithchart.com

Key Findings

We analyzed 3dsmithchart.com page load time and found that the first response time was 244 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

3dsmithchart.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,680 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

Network Requests Diagram

3dsmithchart.com

244 ms

3dsmithchart.com

535 ms

css

32 ms

css

48 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

207 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 72% of them (39 requests) were addressed to the original 3dsmithchart.com, 11% (6 requests) were made to Youtube-nocookie.com and 11% (6 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (8.4 sec) belongs to the original domain 3dsmithchart.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.7 kB (3%)

Content Size

5.8 MB

After Optimization

5.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3dsmithchart.com main page is 5.8 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. 80% 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. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 50.1 kB

  • Original 64.1 kB
  • After minification 52.3 kB
  • After compression 14.0 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. This page needs HTML code to be minified as it can gain 11.8 kB, which is 18% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 50.1 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 99.8 kB

  • Original 5.3 MB
  • After minification 5.2 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. 3D Smith Chart images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 20.2 kB

  • Original 353.9 kB
  • After minification 353.9 kB
  • After compression 333.8 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

-0%

Potential reduce by 541 B

  • Original 125.5 kB
  • After minification 125.5 kB
  • After compression 125.0 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. 3dsmithchart.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (39%)

Requests Now

44

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3D Smith Chart. 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 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

3dsmithchart.com

3dsmithchart.com

244 ms

3dsmithchart.com

3dsmithchart.com

535 ms

css

css

32 ms

css

css

48 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

207 ms

css_0WprzlFhOPqRz2S1vMExY05XXsvJ6hDjd1oITWLaa9Q.css

css_0WprzlFhOPqRz2S1vMExY05XXsvJ6hDjd1oITWLaa9Q.css

317 ms

css_MnXiytJtb186Ydycnpwpw34cuUsHaKc80ey5LiQXhSY.css

css_MnXiytJtb186Ydycnpwpw34cuUsHaKc80ey5LiQXhSY.css

316 ms

css_3no7VQQOSZILNtmsmdzD2qp_gdQm-AQLBZkFpJ56nZs.css

css_3no7VQQOSZILNtmsmdzD2qp_gdQm-AQLBZkFpJ56nZs.css

322 ms

css_Nq6LMh3BF3eXGlxZGRIbqQpKBZJmO7k9iejRzcL_1zs.css

css_Nq6LMh3BF3eXGlxZGRIbqQpKBZJmO7k9iejRzcL_1zs.css

539 ms

green.css

green.css

320 ms

js_X8RDRbwFrZRetJutWVzskcQoa42YUROTt3P19HobtOA.js

js_X8RDRbwFrZRetJutWVzskcQoa42YUROTt3P19HobtOA.js

433 ms

js__7Mjvj_fIAGoauK0xklylKBUIHrCcijyT8yucEi2E0o.js

js__7Mjvj_fIAGoauK0xklylKBUIHrCcijyT8yucEi2E0o.js

424 ms

js_cIpTNLJLS8rJcWH2uHWt0m4wAB5RhtVdk2QdQNh9AwM.js

js_cIpTNLJLS8rJcWH2uHWt0m4wAB5RhtVdk2QdQNh9AwM.js

425 ms

js_jr3yDrWV1m05KAIxsJd1c-cXnMLgVScMxpSZTRZA1fQ.js

js_jr3yDrWV1m05KAIxsJd1c-cXnMLgVScMxpSZTRZA1fQ.js

427 ms

js_9neRiqysowLeE1vXjl78XlTgtBrMCV-47bRO18ypH48.js

js_9neRiqysowLeE1vXjl78XlTgtBrMCV-47bRO18ypH48.js

651 ms

js_mflyhyi0CF2PMC1dgAaVaq1CURI7Y_jLkpmLWnHaB9s.js

js_mflyhyi0CF2PMC1dgAaVaq1CURI7Y_jLkpmLWnHaB9s.js

435 ms

TV04-hB7JVY

TV04-hB7JVY

376 ms

kk1aGb8d_rg

kk1aGb8d_rg

508 ms

preloader-logo.png

preloader-logo.png

355 ms

logo-white.png

logo-white.png

356 ms

logo-dark.png

logo-dark.png

355 ms

gridtile.png

gridtile.png

355 ms

3dsc9b.jpg

3dsc9b.jpg

8437 ms

bg-1.jpg

bg-1.jpg

850 ms

dot-pattern.png

dot-pattern.png

488 ms

bg-7.jpg

bg-7.jpg

860 ms

indiangirl.PNG

indiangirl.PNG

850 ms

Ahsan%20Photo.JPG

Ahsan%20Photo.JPG

951 ms

waseeem4.jpg

waseeem4.jpg

851 ms

panosss.JPG

panosss.JPG

852 ms

richardd_0.PNG

richardd_0.PNG

852 ms

Alberto%20Tama.jpg

Alberto%20Tama.jpg

8440 ms

20464405_1186209761524652_2015918768_n.jpg

20464405_1186209761524652_2015918768_n.jpg

857 ms

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20403690_10159041709020576_45699002_n.png

861 ms

Floris%20ROOSEN%20%281%29.jpg

Floris%20ROOSEN%20%281%29.jpg

950 ms

photo_papers_2.jpg

photo_papers_2.jpg

953 ms

Frank_Coat_Shoulder.png

Frank_Coat_Shoulder.png

995 ms

floris_roosen_0.jpg

floris_roosen_0.jpg

998 ms

bg-8.jpg

bg-8.jpg

8366 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Hw5aX8.ttf

216 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM73w5aX8.ttf

216 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

255 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

312 ms

Simple-Line-Icons.woff

Simple-Line-Icons.woff

860 ms

ionicons.ttf

ionicons.ttf

8300 ms

rev-loader.GIF

rev-loader.GIF

8109 ms

timer.png

timer.png

8108 ms

www-player.css

www-player.css

107 ms

www-embed-player.js

www-embed-player.js

160 ms

base.js

base.js

194 ms

YpaxWjHVNNO6KZk05PsGAol2GFYfBj4WvF05Ro9VHVE.js

YpaxWjHVNNO6KZk05PsGAol2GFYfBj4WvF05Ro9VHVE.js

164 ms

embed.js

embed.js

122 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

26 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

26 ms

Accessibility Review

3dsmithchart.com accessibility score

81

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

3dsmithchart.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

3dsmithchart.com SEO score

90

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 3dsmithchart.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 3dsmithchart.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

3dsmithchart.com

Open Graph description is not detected on the main page of 3D Smith Chart. 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: