Tools & Wizards About Us
twinscience.com screenshot

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

twinscience.com

Twin Science | Developing STEM Skills For Sustainability

Page Load Speed

7.5 sec in total

First Response

48 ms

Resources Loaded

6.5 sec

Page Rendered

953 ms

twinscience.com screenshot

About Website

Click here to check amazing Twin Science content for Turkey. Otherwise, check out these important facts you probably never knew about twinscience.com

Twin's educational applications and hands-on kits help children explore SDGs and prototype solutions for sustainability.

Visit twinscience.com

Key Findings

We analyzed Twinscience.com page load time and found that the first response time was 48 ms and then it took 7.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

twinscience.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value18.5 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value4,420 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.223

56/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

twinscience.com

48 ms

651 ms

gtm.js

80 ms

www.twinscience.com

267 ms

pwi.css

203 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 77% of them (48 requests) were addressed to the original Twinscience.com, 6% (4 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (5.1 sec) belongs to the original domain Twinscience.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 383.4 kB (16%)

Content Size

2.5 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Twinscience.com main page is 2.5 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. 50% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 165.3 kB

  • Original 202.3 kB
  • After minification 201.7 kB
  • After compression 37.0 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. 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 165.3 kB or 82% of the original size.

Image Optimization

-10%

Potential reduce by 212.0 kB

  • Original 2.0 MB
  • After minification 1.8 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. Twin Science images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 6.0 kB

  • Original 166.2 kB
  • After minification 166.2 kB
  • After compression 160.2 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 139 B

  • Original 54.7 kB
  • After minification 54.7 kB
  • After compression 54.6 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. Twinscience.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 43 (83%)

Requests Now

52

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Twin Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

twinscience.com

twinscience.com

48 ms

651 ms

gtm.js

gtm.js

80 ms

www.twinscience.com

www.twinscience.com

267 ms

pwi.css

pwi.css

203 ms

woocommerce-multi-currency.min.css

woocommerce-multi-currency.min.css

207 ms

classic-themes.min.css

classic-themes.min.css

205 ms

styles.css

styles.css

193 ms

style.css

style.css

277 ms

style.css

style.css

368 ms

style.css

style.css

377 ms

woocommerce.css

woocommerce.css

820 ms

flatsome.css

flatsome.css

470 ms

flatsome-shop.css

flatsome-shop.css

1818 ms

gdpr-main-nf.css

gdpr-main-nf.css

1821 ms

jquery.min.js

jquery.min.js

2906 ms

woocommerce-multi-currency.min.js

woocommerce-multi-currency.min.js

2826 ms

js

js

93 ms

tokenization-form.min.js

tokenization-form.min.js

2824 ms

smush-lazy-load-native.min.js

smush-lazy-load-native.min.js

3828 ms

css2

css2

35 ms

tingle.min.css

tingle.min.css

3890 ms

tingle.min.js

tingle.min.js

3890 ms

twin_custom.js

twin_custom.js

3890 ms

yikes-inc-easy-mailchimp-extender-public.min.css

yikes-inc-easy-mailchimp-extender-public.min.css

3893 ms

index.js

index.js

3892 ms

index.js

index.js

3956 ms

25478302.js

25478302.js

516 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

3942 ms

add-to-cart.min.js

add-to-cart.min.js

4744 ms

js.cookie.min.js

js.cookie.min.js

3955 ms

woocommerce.min.js

woocommerce.min.js

4741 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

4745 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

4745 ms

wp-polyfill.min.js

wp-polyfill.min.js

4748 ms

hooks.min.js

hooks.min.js

4753 ms

i18n.min.js

i18n.min.js

4942 ms

f5be501eb56d8f7e5f3f3584150dfac2.js

f5be501eb56d8f7e5f3f3584150dfac2.js

4924 ms

embed.js

embed.js

136 ms

revolut.js

revolut.js

4929 ms

4929244e4df48de4e82967c43e407d68.js

4929244e4df48de4e82967c43e407d68.js

4921 ms

hoverIntent.min.js

hoverIntent.min.js

4924 ms

swiper-bundle.min.js

swiper-bundle.min.js

30 ms

f8e9f0da1af825d0065ee89d96f18d09.js

f8e9f0da1af825d0065ee89d96f18d09.js

5008 ms

swiper-bundle.min.js

swiper-bundle.min.js

19 ms

9cfb7ca5f2e77fc65bb4bfee9f3a32a6.js

9cfb7ca5f2e77fc65bb4bfee9f3a32a6.js

5091 ms

fbevents.js

fbevents.js

172 ms

Untitled-design-10.png

Untitled-design-10.png

1235 ms

subscribe_v6.png

subscribe_v6.png

1277 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmRTM.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDFwmRTM.ttf

63 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDDsmRTM.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDDsmRTM.ttf

114 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmRTM.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDGUmRTM.ttf

127 ms

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshRTM.ttf

XRXI3I6Li01BKofiOc5wtlZ2di8HDLshRTM.ttf

126 ms

fl-icons.ttf

fl-icons.ttf

1215 ms

6ba2aa5364f4725389ea4b6bb.js

6ba2aa5364f4725389ea4b6bb.js

249 ms

white_logo-1.png

white_logo-1.png

1120 ms

tryforfree_coding.png

tryforfree_coding.png

1200 ms

Untitled-design.png

Untitled-design.png

1288 ms

home-new-video-bg.png

home-new-video-bg.png

1286 ms

Email-Signature-1-1400x350.png

Email-Signature-1-1400x350.png

1010 ms

d537b8b0-3d42-433e-bd66-0352214636eb-1-1067x800.webp

d537b8b0-3d42-433e-bd66-0352214636eb-1-1067x800.webp

180 ms

iw1emr6k

iw1emr6k

42 ms

Accessibility Review

twinscience.com accessibility score

88

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

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

twinscience.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

Page has valid source maps

SEO Factors

twinscience.com SEO score

79

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

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 Twinscience.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 Twinscience.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

twinscience.com

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