910 ms in total
44 ms
666 ms
200 ms
Visit webinar.sciencemag.org now to see the best up-to-date Webinar Science Mag content for China and also check out these interesting facts you probably never knew about webinar.sciencemag.org
Visit webinar.sciencemag.orgWe analyzed Webinar.sciencemag.org page load time and found that the first response time was 44 ms and then it took 866 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
webinar.sciencemag.org performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value23.2 s
0/100
25%
Value10.5 s
7/100
10%
Value5,480 ms
0/100
30%
Value0.077
95/100
15%
Value22.8 s
1/100
10%
44 ms
5 ms
7 ms
10 ms
11 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 42% of them (25 requests) were addressed to the original Webinar.sciencemag.org, 20% (12 requests) were made to Assets.adobedtm.com and 7% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (157 ms) relates to the external source Now.eloqua.com.
Page size can be reduced by 453.8 kB (60%)
761.4 kB
307.7 kB
In fact, the total size of Webinar.sciencemag.org main page is 761.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Javascripts take 452.1 kB which makes up the majority of the site volume.
Potential reduce by 15.6 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 15.6 kB or 72% of the original size.
Potential reduce by 111.3 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. Obviously, Webinar Science Mag needs image optimization as it can save up to 111.3 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 283.0 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 283.0 kB or 63% of the original size.
Potential reduce by 43.9 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. Webinar.sciencemag.org needs all CSS files to be minified and compressed as it can save up to 43.9 kB or 79% of the original size.
Number of requests can be reduced by 45 (83%)
54
9
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Webinar Science Mag. 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 4 to 1 for CSS and as a result speed up the page load time.
webinar.sciencemag.org
44 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
5 ms
css_EPsgvacVXxxhwhLr4DGj8P1D4es4L_QnnRJPHn_TJHE.css
7 ms
css_atkFGFlvG6sSQcIj6Q73rpgsXhtr58AwITc2aQjVotk.css
10 ms
css_w7gDtQ7DSzfPfKb54zKXbKBJZWoDzEpRPk5Dnm02QsM.css
11 ms
jquery.min.js
30 ms
js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
16 ms
js_R9UbiVw2xuTUI0GZoaqMDOdX0lrZtgX-ono8RVOUEVc.js
15 ms
satelliteLib-a9d46808a35b7b8034adfab1d8207407222304d5.js
22 ms
js_9vl5yfCTCwQNjbNgPVsHL5m_UtI8yx-x-ljsm5srfNE.js
18 ms
js_z3dkM0dnAUxCeYecXiJxTeo6R4m4zIiEaYL_2kR3eW8.js
15 ms
js_3BahOGVFSzbTPpmEj-7rTOUu_4-JnV19LAZWykuBC2A.js
16 ms
id
7 ms
satellite-541328889484fa1dac000117.js
3 ms
satellite-56bbbe5064746d730a0012a6.js
5 ms
id
28 ms
id
4 ms
1125684221@Top,Right1,Right2
10 ms
ga.js
18 ms
AAAS-Webinar-main_0.jpg
78 ms
0
70 ms
science_logo.png
55 ms
bg_red_button.png
53 ms
bg_titlebar_blue.png
54 ms
bg_titlebar_dark_red.png
56 ms
bg_titlebar_light_red.png
56 ms
bg_gray_bottom.png
56 ms
countdown-background.png
58 ms
icon_technology.jpg
57 ms
red_arrow.png
57 ms
icon_careers.jpg
59 ms
icon_aaas.jpg
59 ms
bg_red_bar.png
59 ms
logo.aaas.footer.gif
59 ms
logo.hwp.footer.gif
61 ms
svrGP.aspx
157 ms
svrGP.aspx
52 ms
__utm.gif
18 ms
svrGP.aspx
55 ms
satellite-5661e0c664746d7772001c6a.js
16 ms
satellite-563285fd64746d41dd000162.js
15 ms
satellite-542d911c45c922556400047f.js
42 ms
analytics.js
40 ms
s-code-contents-325d54ac1d8b061a29ba0242b53a2f6fac7e9e18.js
51 ms
1.js
73 ms
satellite-5452793117a14e08000008b2.js
25 ms
satellite-54c14b5a3966380015640700.js
25 ms
satellite-56609cd764746d5ccc0014ed.js
24 ms
svrGP.aspx
55 ms
collect
28 ms
id
5 ms
iframe_api
32 ms
satellite-5660a0b864746d5609003761.js
11 ms
collect
60 ms
s76287338770925
20 ms
satellite-56d4d53d64746d545d0016a5.js
19 ms
@Top,Right2,x30,x51,x60
10 ms
www-widgetapi.js
20 ms
ga-audiences
33 ms
webinar.sciencemag.org accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
[aria-*] attributes do not have valid values
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
webinar.sciencemag.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
webinar.sciencemag.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Webinar.sciencemag.org 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 Webinar.sciencemag.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.
webinar.sciencemag.org
Open Graph description is not detected on the main page of Webinar Science Mag. 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: