27.9 sec in total
218 ms
17.9 sec
9.7 sec
Visit scidev.net now to see the best up-to-date Sci Dev content for United States and also check out these interesting facts you probably never knew about scidev.net
SciDev.Net: Bringing science & development together through news and analysis.
Visit scidev.netWe analyzed Scidev.net page load time and found that the first response time was 218 ms and then it took 27.6 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.
scidev.net performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value12.5 s
0/100
25%
Value16.1 s
0/100
10%
Value3,090 ms
2/100
30%
Value0.009
100/100
15%
Value18.2 s
3/100
10%
218 ms
206 ms
1228 ms
7451 ms
610 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 70% of them (40 requests) were addressed to the original Scidev.net, 7% (4 requests) were made to W.sharethis.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.5 sec) relates to the external source Googletagmanager.com.
Page size can be reduced by 794.2 kB (30%)
2.6 MB
1.9 MB
In fact, the total size of Scidev.net main page is 2.6 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 43.9 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. 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 43.9 kB or 76% of the original size.
Potential reduce by 123.3 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. Sci Dev images are well optimized though.
Potential reduce by 514.0 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 514.0 kB or 71% of the original size.
Potential reduce by 113.1 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. Scidev.net needs all CSS files to be minified and compressed as it can save up to 113.1 kB or 83% of the original size.
Number of requests can be reduced by 15 (31%)
49
34
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sci Dev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
{{url}}
{{time}} ms
scidev.net 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.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
scidev.net 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
scidev.net 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
robots.txt is not valid
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 Scidev.net 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 Scidev.net 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.
{{og_description}}
scidev.net
Open Graph data is detected on the main page of Sci Dev. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: