1.3 sec in total
9 ms
1.1 sec
209 ms
Visit scientificsonline.com now to see the best up-to-date Scientifics Online content for United States and also check out these interesting facts you probably never knew about scientificsonline.com
Offering the best in Astronomy, Robotics, Drones, Science Kits & more. Prove your hypothesis for fun at Scientifics Online. Shop our selection now!
Visit scientificsonline.comWe analyzed Scientificsonline.com page load time and found that the first response time was 9 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
scientificsonline.com performance score
name
value
score
weighting
Value5.9 s
4/100
10%
Value19.1 s
0/100
25%
Value14.1 s
1/100
10%
Value6,440 ms
0/100
30%
Value0
100/100
15%
Value23.9 s
1/100
10%
9 ms
131 ms
24 ms
85 ms
112 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 43% of them (34 requests) were addressed to the original Scientificsonline.com, 10% (8 requests) were made to Cdnjs.cloudflare.com and 10% (8 requests) were made to Nsg.symantec.com. The less responsive or slowest element that took the longest time to load (367 ms) relates to the external source S.trustpilot.com.
Page size can be reduced by 1.2 MB (46%)
2.6 MB
1.4 MB
In fact, the total size of Scientificsonline.com 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. 65% of websites need less resources to load. Javascripts take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 144.2 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 144.2 kB or 79% of the original size.
Potential reduce by 42.7 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. Scientifics Online images are well optimized though.
Potential reduce by 813.4 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 813.4 kB or 63% of the original size.
Potential reduce by 182.5 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. Scientificsonline.com needs all CSS files to be minified and compressed as it can save up to 182.5 kB or 84% of the original size.
Number of requests can be reduced by 39 (53%)
73
34
The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scientifics Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
scientificsonline.com
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scientificsonline.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.
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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
scientificsonline.com 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
Page has valid source maps
scientificsonline.com SEO score
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 Scientificsonline.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 Scientificsonline.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.
scientificsonline.com
Open Graph description is not detected on the main page of Scientifics Online. 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: