3.5 sec in total
168 ms
2.9 sec
453 ms
Welcome to ecsource.jove.com homepage info - get ready to check Ecsource JoVE best content for China right away, or after learning these important things about ecsource.jove.com
JoVE publishes peer-reviewed scientific video protocols to accelerate biological, medical, chemical and physical research. Watch our scientific video articles.
Visit ecsource.jove.comWe analyzed Ecsource.jove.com page load time and found that the first response time was 168 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
ecsource.jove.com performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value15.7 s
0/100
25%
Value9.2 s
13/100
10%
Value19,770 ms
0/100
30%
Value0.242
51/100
15%
Value29.4 s
0/100
10%
168 ms
850 ms
124 ms
24 ms
132 ms
Our browser made a total of 89 requests to load all elements on the main page. We found that 17% of them (15 requests) were addressed to the original Ecsource.jove.com, 20% (18 requests) were made to Jove.com and 9% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (850 ms) relates to the external source Jove.com.
Page size can be reduced by 842.4 kB (44%)
1.9 MB
1.1 MB
In fact, the total size of Ecsource.jove.com main page is 1.9 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 878.4 kB which makes up the majority of the site volume.
Potential reduce by 76.3 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 76.3 kB or 72% of the original size.
Potential reduce by 137.0 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, Ecsource JoVE needs image optimization as it can save up to 137.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 518.6 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 518.6 kB or 64% of the original size.
Potential reduce by 110.4 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. Ecsource.jove.com needs all CSS files to be minified and compressed as it can save up to 110.4 kB or 84% of the original size.
Number of requests can be reduced by 37 (47%)
78
41
The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ecsource 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 31 to 1 for JavaScripts and as a result speed up the page load time.
ecsource.jove.com
168 ms
www.jove.com
850 ms
style.css
124 ms
css
24 ms
jquery-1.7.1.min.js
132 ms
jquery.md5.js
85 ms
jwplayer.js
131 ms
Player.js
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prum.min.js
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jove.js
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counter.php
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jove_bg.jpg
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fixed-header-bg.png
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jove_logo_small.png
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sprite.png
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video_next_overlay.png
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video_prev_overlay.png
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video_gradient.png
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jove_footer.png
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search-ajax-loader.gif
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jove-ui.js
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stats.js
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analytics.min.js
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ad_server.php
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all.js&version=v2.0
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cb=gapi.loaded_0
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cb=gapi.loaded_1
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tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html
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cb=gapi.loaded_0
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like.php
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ecsource.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
Some elements have a [tabindex] value greater than 0
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
ecsource.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
ecsource.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
Page is blocked from indexing
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ecsource.jove.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 Ecsource.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.
ecsource.jove.com
Open Graph description is not detected on the main page of Ecsource 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: