Tools & Wizards About Us
tk2d.com screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 70

    SEO

    Google-friendlier than
    29% of websites

tk2d.com

Take on TK2d | A Resource for Patients and Caregivers | Drush Site-Install

Page Load Speed

5.2 sec in total

First Response

371 ms

Resources Loaded

3.1 sec

Page Rendered

1.8 sec

tk2d.com screenshot

About Website

Welcome to tk2d.com homepage info - get ready to check TK2d best content right away, or after learning these important things about tk2d.com

Support and information about thymidine kinase 2 deficiency (TK2d), who gets TK2d, TK2d symptoms, treating TK2d, and no-cost genetic tests to help diagnose TK2d.

Visit tk2d.com

Key Findings

We analyzed Tk2d.com page load time and found that the first response time was 371 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

tk2d.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value2,470 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value18.6 s

3/100

10%

Network Requests Diagram

tk2d.com

371 ms

www.tk2d.com

454 ms

gtm.js

86 ms

css_qe8BfGZdW5SLFLHGU_hlb5neLxlOrLNOFWR85JU6Goo.css

114 ms

css_AgdlvfZzDeXhN8T9vCxlIP5xaX9ZCZGk2y2u0dFHhSs.css

549 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 86% of them (51 requests) were addressed to the original Tk2d.com, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Player.vimeo.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Tk2d.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (24%)

Content Size

5.3 MB

After Optimization

4.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tk2d.com main page is 5.3 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. 45% of websites need less resources to load. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 45.8 kB

  • Original 60.5 kB
  • After minification 54.6 kB
  • After compression 14.7 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 45.8 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 598.1 kB

  • Original 4.4 MB
  • After minification 3.8 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. Obviously, TK2d needs image optimization as it can save up to 598.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 318.4 kB

  • Original 462.9 kB
  • After minification 462.9 kB
  • After compression 144.5 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 318.4 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 331.4 kB

  • Original 387.5 kB
  • After minification 386.9 kB
  • After compression 56.1 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. Tk2d.com needs all CSS files to be minified and compressed as it can save up to 331.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (34%)

Requests Now

50

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TK2d. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

tk2d.com

tk2d.com

371 ms

www.tk2d.com

www.tk2d.com

454 ms

gtm.js

gtm.js

86 ms

css_qe8BfGZdW5SLFLHGU_hlb5neLxlOrLNOFWR85JU6Goo.css

css_qe8BfGZdW5SLFLHGU_hlb5neLxlOrLNOFWR85JU6Goo.css

114 ms

css_AgdlvfZzDeXhN8T9vCxlIP5xaX9ZCZGk2y2u0dFHhSs.css

css_AgdlvfZzDeXhN8T9vCxlIP5xaX9ZCZGk2y2u0dFHhSs.css

549 ms

js

js

140 ms

analytics.js

analytics.js

35 ms

1edafdad69.js

1edafdad69.js

66 ms

hotjar-2611755.js

hotjar-2611755.js

105 ms

player.js

player.js

52 ms

js_5ndcSd86rmtBQu7xiHbU5d18s0JP0z6X9XB3HWa3F58.js

js_5ndcSd86rmtBQu7xiHbU5d18s0JP0z6X9XB3HWa3F58.js

615 ms

sign_up_form

sign_up_form

347 ms

js_bn2ueExZeLu6o7-8QgzUbA1Nsn7E9-XHUDHETUtJTB0.js

js_bn2ueExZeLu6o7-8QgzUbA1Nsn7E9-XHUDHETUtJTB0.js

616 ms

logo.png

logo.png

101 ms

TakeonTk2d_Logo_KO.png

TakeonTk2d_Logo_KO.png

102 ms

header_arrow.png

header_arrow.png

100 ms

header-banner-new.jpg

header-banner-new.jpg

129 ms

what-is-tk2d-video.png

what-is-tk2d-video.png

129 ms

understanding-tk2d-diagram-mobile.png

understanding-tk2d-diagram-mobile.png

431 ms

understanding-tk2d-diagram.png

understanding-tk2d-diagram.png

525 ms

baby.png

baby.png

175 ms

wheelchair.png

wheelchair.png

215 ms

TK2d-Brochure.png

TK2d-Brochure.png

216 ms

white-half.png

white-half.png

257 ms

yellow-half.png

yellow-half.png

266 ms

carrier-parents.png

carrier-parents.png

306 ms

family-sketch.png

family-sketch.png

313 ms

UCB_Logo_Tagline_White_RGB_Logo.png

UCB_Logo_Tagline_White_RGB_Logo.png

430 ms

990729512

990729512

630 ms

header-circle.svg

header-circle.svg

338 ms

what-is-tk2d-video.png

what-is-tk2d-video.png

383 ms

Gotham-Bold.otf

Gotham-Bold.otf

390 ms

Gotham-Book.otf

Gotham-Book.otf

675 ms

Gotham-Black.otf

Gotham-Black.otf

473 ms

Gotham-Medium.otf

Gotham-Medium.otf

561 ms

Gotham-Light.otf

Gotham-Light.otf

491 ms

chalkboard-bg.jpg

chalkboard-bg.jpg

1129 ms

yellow_border.png

yellow_border.png

542 ms

header-circle-strech.svg

header-circle-strech.svg

556 ms

bullet.svg

bullet.svg

567 ms

Doreen_openMouth.png

Doreen_openMouth.png

882 ms

mobilearrow.png

mobilearrow.png

629 ms

chalkboard-rounded-desktop.jpg

chalkboard-rounded-desktop.jpg

726 ms

vert-sketch-line.png

vert-sketch-line.png

655 ms

TK2dYellowCircle-download-share-mobile.png

TK2dYellowCircle-download-share-mobile.png

729 ms

yagmur.png

yagmur.png

1436 ms

mid-green-bg.jpg

mid-green-bg.jpg

833 ms

white-arrow-horiz.png

white-arrow-horiz.png

817 ms

yellow-pill-full.svg

yellow-pill-full.svg

829 ms

hybrid-color-pill.svg

hybrid-color-pill.svg

905 ms

white-pill-full.svg

white-pill-full.svg

866 ms

horiz-sketch-line.png

horiz-sketch-line.png

868 ms

Jenna-Sue-Pro.ttf

Jenna-Sue-Pro.ttf

1002 ms

Gotham-Italic.otf

Gotham-Italic.otf

911 ms

submit-arrow.svg

submit-arrow.svg

928 ms

required.svg

required.svg

884 ms

checkmark.svg

checkmark.svg

913 ms

horiz-sketch-line.svg

horiz-sketch-line.svg

923 ms

1906532702-87d7753eca7d4cf063a28c0835fea45f0045cd0fb13f321a0d5f4d55f14cd0af-d

1906532702-87d7753eca7d4cf063a28c0835fea45f0045cd0fb13f321a0d5f4d55f14cd0af-d

217 ms

Accessibility Review

tk2d.com accessibility score

90

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

Best Practices

tk2d.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tk2d.com SEO score

70

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

High

Image elements do not have [alt] attributes

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 Tk2d.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 Tk2d.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

tk2d.com

Open Graph data is detected on the main page of TK2d. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: