5 sec in total
283 ms
4.2 sec
475 ms
Visit scienceinschool.org now to see the best up-to-date Science In School content for United States and also check out these interesting facts you probably never knew about scienceinschool.org
Science in School is a free online magazine that provides inspiring teaching resources covering all STEM subjects.
Visit scienceinschool.orgWe analyzed Scienceinschool.org page load time and found that the first response time was 283 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
scienceinschool.org performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value9.0 s
1/100
25%
Value8.3 s
19/100
10%
Value480 ms
60/100
30%
Value0.334
34/100
15%
Value8.0 s
43/100
10%
283 ms
960 ms
183 ms
185 ms
189 ms
Our browser made a total of 93 requests to load all elements on the main page. We found that 95% of them (88 requests) were addressed to the original Scienceinschool.org, 2% (2 requests) were made to Google-analytics.com and 2% (2 requests) were made to Paypalobjects.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Scienceinschool.org.
Page size can be reduced by 1.4 MB (39%)
3.7 MB
2.2 MB
In fact, the total size of Scienceinschool.org main page is 3.7 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. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 92.9 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 18.1 kB, which is 17% 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 92.9 kB or 87% of the original size.
Potential reduce by 125.8 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 In School images are well optimized though.
Potential reduce by 381.0 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 381.0 kB or 74% of the original size.
Potential reduce by 827.6 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. Scienceinschool.org needs all CSS files to be minified and compressed as it can save up to 827.6 kB or 94% of the original size.
Number of requests can be reduced by 15 (17%)
89
74
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science In School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
scienceinschool.org
283 ms
www.scienceinschool.org
960 ms
css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css
183 ms
css_NWR20WunrgWaBrOscJYWf29yQUhWLTbtgw_-GsMyfhM.css
185 ms
css_J6DqkNFhS6gV-dYL2swnt3Aw97iXNrwlH7M27lrKC8Y.css
189 ms
css_pxpOZ0EU87WtN3iHrtHvL1gOT4cmX7nr-yW8fkChHbM.css
1096 ms
modernizr.js
366 ms
jquery.min.js
584 ms
jquery.once.js
274 ms
drupal.js
362 ms
simpleads.js
359 ms
captcha.js
363 ms
webform.js
450 ms
googleanalytics.js
453 ms
bootstrap.js
187 ms
require.js
368 ms
analytics.js
57 ms
btn_donateCC_LG.gif
130 ms
2px_bg_vertical.png
96 ms
2px_bg.png
95 ms
trenner.png
96 ms
header_teacher_male.jpg
273 ms
scienceInSchool_logo.png
97 ms
icon_facebook.png
97 ms
icon_twitter.png
182 ms
advent2010_slider_1.jpg
275 ms
issue34_viruses.jpg
364 ms
issue34_esateach_slider.jpg
183 ms
issue34_realdon_slider.jpg
274 ms
alignment.jpg
273 ms
folktalesslider.jpg
275 ms
energyslider.jpg
362 ms
engineerslider.jpg
456 ms
issue34_india_slider.jpg
728 ms
issue34_alexandrov_slider.jpg
457 ms
slider_0.jpg
365 ms
sis_advent_image_171215.jpg
453 ms
SiS_advent_111215.jpg
543 ms
slider_1.jpg
457 ms
principiaslider.jpg
543 ms
micropplasticsslider.jpg
636 ms
laughterslider.jpg
544 ms
issue34_concentration_slider.jpg
546 ms
microbesslider.jpg
633 ms
jetstream_slider_0.jpg
634 ms
or_event_reports.gif
636 ms
issue4ciscilaunch.jpg
637 ms
issue11schistosomiasis.jpg
815 ms
issue11energy.jpg
817 ms
issue33_taz_teaser.jpg
727 ms
gr_physics.gif
728 ms
issue10lhcwhy.jpg
736 ms
issue24wine.jpg
997 ms
pixel.gif
120 ms
issue32_blood_teaser.jpg
788 ms
collect
35 ms
widgets.js
33 ms
TitilliumWeb-Regular.svg
1368 ms
fontawesome-webfont.woff
741 ms
www.scienceinschool.org
1171 ms
main.js
1180 ms
issue16obesity.jpg
908 ms
bl_general_science.gif
744 ms
issue4fairenough.jpg
833 ms
issue24autism.jpg
917 ms
issue18biomimetics.jpg
916 ms
issue11competition.jpg
838 ms
bl_chemistry.gif
927 ms
bl_physics.gif
1034 ms
issue19amber.jpg
1010 ms
issue5plastic.jpg
947 ms
issue29solar_bulb.jpg
1273 ms
issue30accelerator.jpg
1073 ms
issue34.jpg
919 ms
ic_login.png
943 ms
ic_contact_us.png
1069 ms
image_captcha
1241 ms
ic_get_involved.png
982 ms
footer_logo_cern.png
1011 ms
footer_logo_embl.png
1012 ms
footer_logo_esa.png
948 ms
footer_logo_eso.png
957 ms
footer_logo_esrf.png
1017 ms
footer_logo_eurofusion.png
1013 ms
footer_logo_xfel.png
1035 ms
footer_logo_ill.png
970 ms
eiroforum_logo.png
1007 ms
icon_share.png
1014 ms
bg_globe.png
1186 ms
sons_festival_2017.jpg
504 ms
TitilliumWeb-Regular.woff
254 ms
en.png
94 ms
select2.png
93 ms
scienceinschool.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
scienceinschool.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
scienceinschool.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scienceinschool.org 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 Scienceinschool.org 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.
scienceinschool.org
Open Graph description is not detected on the main page of Science In School. 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: