75.8 sec in total
273 ms
41.7 sec
33.9 sec
Visit jove.com now to see the best up-to-date JoVE content for China and also check out these interesting facts you probably never knew about jove.com
JoVE publishes peer-reviewed scientific video protocols to accelerate biological, medical, chemical and physical research. Watch our scientific video articles.
Visit jove.comWe analyzed Jove.com page load time and found that the first response time was 273 ms and then it took 75.6 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.
jove.com performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value8.4 s
2/100
25%
Value7.7 s
25/100
10%
Value1,150 ms
22/100
30%
Value0
100/100
15%
Value16.5 s
5/100
10%
273 ms
125 ms
1069 ms
1012 ms
2117 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 52% of them (50 requests) were addressed to the original Jove.com, 25% (24 requests) were made to Ecsource.jove.com and 3% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (17 sec) relates to the external source Stats.jove.com.
Page size can be reduced by 2.1 MB (30%)
7.0 MB
4.9 MB
In fact, the total size of Jove.com main page is 7.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.4 MB which makes up the majority of the site volume.
Potential reduce by 77.5 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 77.5 kB or 83% of the original size.
Potential reduce by 153.8 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. JoVE images are well optimized though.
Potential reduce by 944.9 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 944.9 kB or 66% of the original size.
Potential reduce by 916.9 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. Jove.com needs all CSS files to be minified and compressed as it can save up to 916.9 kB or 88% of the original size.
Number of requests can be reduced by 44 (48%)
91
47
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JoVE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
jove.com
273 ms
www.jove.com
125 ms
www.jove.com
1069 ms
gtm.js
1012 ms
slick.css
2117 ms
slick-theme.css
1743 ms
jove.css
2154 ms
style.css
1912 ms
style.css
1511 ms
toggles.css
1884 ms
toggles-light.css
3714 ms
css
1885 ms
all-skins.css
3727 ms
functional.css
3714 ms
jquery-1.7.1.min.js
3714 ms
jquery.md5.js
3680 ms
jwplayer.js
4556 ms
flowplayer.js
5412 ms
hlsjs.min.js
5412 ms
thumbnails.min.js
5410 ms
slick.min.js
5372 ms
jquery.appear.js
5372 ms
clipboard.min.js
5372 ms
jove.js
14457 ms
navigation.js
14456 ms
skip-link-focus-fix.js
15270 ms
wp-embed.min.js
15084 ms
jove.js
14753 ms
analytics.js
3338 ms
con_dmarc.php
10986 ms
prum.min.js
4730 ms
collect
3781 ms
56476.jpg
8564 ms
35t3z
7829 ms
collect
7105 ms
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logo.svg
6478 ms
icon-search.svg
6836 ms
close_button.png
6837 ms
nav-button.svg
6832 ms
icon-close.svg
6837 ms
bg-home-header.png
7194 ms
button-play.svg
7915 ms
bg-footer.png
7761 ms
icon-facebook.svg
7839 ms
icon-linkedin.svg
8165 ms
icon-twitter.svg
7833 ms
icon-youtube.svg
8261 ms
search-ajax-loader.gif
8580 ms
homepageajax.js
2733 ms
form.css
1336 ms
piUtils.js
1430 ms
styles.css
15852 ms
ga.js
16544 ms
stats.js
17020 ms
uwt.js
16651 ms
arrow-slider.svg
12749 ms
ajax-loader.gif
1863 ms
slick.woff
1621 ms
fpicons.woff
1606 ms
pd.js
3226 ms
inpage_linkid.js
305 ms
1979 ms
adsct
706 ms
__utm.gif
181 ms
analytics
1341 ms
collect
346 ms
adsct
717 ms
beacon.gif
918 ms
Mo-Shafi.jpg
870 ms
Students-with-laptop-small.jpg
1226 ms
quotes.svg
904 ms
bg-panel-what-is-jove.svg
984 ms
analytics
634 ms
jove.com 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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
jove.com 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
Missing source maps for large first-party JavaScript
jove.com 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jove.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 Jove.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.
jove.com
Open Graph description is not detected on the main page of JoVE. 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: