Tools & Wizards About Us
sciencecastle.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

sciencecastle.com

Science Castle – It is almost magic!

Page Load Speed

32.8 sec in total

First Response

293 ms

Resources Loaded

21.8 sec

Page Rendered

10.7 sec

sciencecastle.com screenshot

About Website

Welcome to sciencecastle.com homepage info - get ready to check Science Castle best content for Nigeria right away, or after learning these important things about sciencecastle.com

Science Kits. The best selection of award winning science kits. We offer Science Classes with many hands-on science experiments for most of our Science Kits. Have fun and improve your science marks at...

Visit sciencecastle.com

Key Findings

We analyzed Sciencecastle.com page load time and found that the first response time was 293 ms and then it took 32.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

sciencecastle.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.421

23/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

sciencecastle.com

293 ms

index

674 ms

science_castle_mc.css

232 ms

yt.css

424 ms

newyt.css

527 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 31% of them (22 requests) were addressed to the original Sciencecastle.com, 20% (14 requests) were made to Scontent.xx.fbcdn.net and 7% (5 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Upfront.thefind.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 576.8 kB (58%)

Content Size

1.0 MB

After Optimization

424.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sciencecastle.com main page is 1.0 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. 65% of websites need less resources to load. Javascripts take 743.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 38.1 kB

  • Original 50.5 kB
  • After minification 48.4 kB
  • After compression 12.4 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 38.1 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 4.8 kB

  • Original 114.7 kB
  • After minification 109.9 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. Science Castle images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 458.1 kB

  • Original 743.3 kB
  • After minification 736.0 kB
  • After compression 285.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 458.1 kB or 62% of the original size.

CSS Optimization

-82%

Potential reduce by 75.8 kB

  • Original 92.4 kB
  • After minification 83.9 kB
  • After compression 16.6 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. Sciencecastle.com needs all CSS files to be minified and compressed as it can save up to 75.8 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (38%)

Requests Now

65

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Castle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

sciencecastle.com

sciencecastle.com

293 ms

index

index

674 ms

science_castle_mc.css

science_castle_mc.css

232 ms

yt.css

yt.css

424 ms

newyt.css

newyt.css

527 ms

brand

brand

202 ms

addthis_widget.js

addthis_widget.js

200 ms

show_ads.js

show_ads.js

22 ms

brand

brand

900 ms

ga.js

ga.js

1074 ms

lg-share-en.gif

lg-share-en.gif

850 ms

eeb5a05d68bbfefa63f1b26d2eb9e122.png

eeb5a05d68bbfefa63f1b26d2eb9e122.png

20433 ms

watch-now.gif

watch-now.gif

1191 ms

606312_3dbox_200.jpg

606312_3dbox_200.jpg

1193 ms

wappen-s.gif

wappen-s.gif

1191 ms

learn-more.gif

learn-more.gif

1405 ms

enroll.gif

enroll.gif

1192 ms

rss_icon.gif

rss_icon.gif

1405 ms

all.js

all.js

1089 ms

science_experiments.gif

science_experiments.gif

2675 ms

link-enhancer-common.js

link-enhancer-common.js

1067 ms

m3.gif

m3.gif

1032 ms

l3.gif

l3.gif

1032 ms

r3.gif

r3.gif

1032 ms

m2.gif

m2.gif

939 ms

l2.gif

l2.gif

742 ms

r2.gif

r2.gif

2339 ms

m4.gif

m4.gif

2338 ms

googlelogo_lightgrey_46x16dp.png

googlelogo_lightgrey_46x16dp.png

5266 ms

17424849_10155031872918529_3565863269802958108_n.jpg

17424849_10155031872918529_3565863269802958108_n.jpg

8704 ms

20246329_1850548098306541_8883155648561277469_n.jpg

20246329_1850548098306541_8883155648561277469_n.jpg

7645 ms

8722 ms

ca-pub-7914331175324157.js

ca-pub-7914331175324157.js

7365 ms

zrt_lookup.html

zrt_lookup.html

8142 ms

show_ads_impl.js

show_ads_impl.js

2828 ms

0sTQzbapM8j.js

0sTQzbapM8j.js

5200 ms

0sTQzbapM8j.js

0sTQzbapM8j.js

8138 ms

collect

collect

8038 ms

monitor.gif

monitor.gif

4156 ms

m5.gif

m5.gif

4008 ms

science_experiments_footer.gif

science_experiments_footer.gif

4008 ms

19665404_1058699170927821_8970327009468610898_n.jpg

19665404_1058699170927821_8970327009468610898_n.jpg

6386 ms

_ate.track.config_resp

_ate.track.config_resp

4842 ms

300lo.json

300lo.json

5593 ms

12239524_10201207709712307_4188156340445921435_n.jpg

12239524_10201207709712307_4188156340445921435_n.jpg

4244 ms

11091458_1070591509634506_6940964154081062287_n.jpg

11091458_1070591509634506_6940964154081062287_n.jpg

5313 ms

13256009_10209691846394630_3293359905671286363_n.jpg

13256009_10209691846394630_3293359905671286363_n.jpg

5314 ms

ads

ads

4784 ms

osd.js

osd.js

3699 ms

18664669_290666694712874_3843910702012016827_n.jpg

18664669_290666694712874_3843910702012016827_n.jpg

3601 ms

20430042_10155783525364750_5985880043923894787_n.jpg

20430042_10155783525364750_5985880043923894787_n.jpg

3551 ms

20604588_1617386791637018_3438485838461003818_n.jpg

20604588_1617386791637018_3438485838461003818_n.jpg

3693 ms

sh.48536d49e4da3bdba54606b4.html

sh.48536d49e4da3bdba54606b4.html

2006 ms

15740813_10155053920626178_3810765174994793453_n.jpg

15740813_10155053920626178_3810765174994793453_n.jpg

3221 ms

10354686_10150004552801856_220367501106153455_n.jpg

10354686_10150004552801856_220367501106153455_n.jpg

3048 ms

ads

ads

4191 ms

18157335_799878963511711_4106177713014442078_n.jpg

18157335_799878963511711_4106177713014442078_n.jpg

2373 ms

31392_448059743205_1691220_n.jpg

31392_448059743205_1691220_n.jpg

2147 ms

18528044_10212967640375674_12626011327041951_n.jpg

18528044_10212967640375674_12626011327041951_n.jpg

2189 ms

ga-audiences

ga-audiences

707 ms

0sTQzbapM8j.js

0sTQzbapM8j.js

219 ms

log

log

2137 ms

adServer.bs

adServer.bs

2229 ms

m_window_focus_non_hydra.js

m_window_focus_non_hydra.js

2137 ms

osd_listener.js

osd_listener.js

1983 ms

m_qs_click_protection.js

m_qs_click_protection.js

2072 ms

1900 ms

transparent.png

transparent.png

36 ms

activeview

activeview

53 ms

89ef094469416386b5877c943596a459

89ef094469416386b5877c943596a459

233 ms

Accessibility Review

sciencecastle.com accessibility score

98

Accessibility Issues

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

Links do not have a discernible name

Best Practices

sciencecastle.com best practices score

92

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

SEO Factors

sciencecastle.com SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencecastle.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 Sciencecastle.com main page’s claimed encoding is . 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

sciencecastle.com

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