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Welcome to selectscience.org homepage info - get ready to check Select Science best content right away, or after learning these important things about selectscience.org
Find laboratory products, impartial reviews, application articles, videos and the latest news on SelectScience.
Visit selectscience.orgWe analyzed Selectscience.org page load time and found that the first response time was 23 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
selectscience.org performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value6.1 s
12/100
25%
Value5.4 s
56/100
10%
Value1,170 ms
21/100
30%
Value0.245
51/100
15%
Value11.7 s
17/100
10%
23 ms
1006 ms
37 ms
94 ms
427 ms
Our browser made a total of 214 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Selectscience.org, 84% (180 requests) were made to Selectscience.net and 4% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Selectscience.net.
Page size can be reduced by 420.9 kB (33%)
1.3 MB
841.9 kB
In fact, the total size of Selectscience.org main page is 1.3 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 550.6 kB which makes up the majority of the site volume.
Potential reduce by 283.4 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. This page needs HTML code to be minified as it can gain 88.8 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 283.4 kB or 89% of the original size.
Potential reduce by 0 B
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. Select Science images are well optimized though.
Potential reduce by 126.6 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 126.6 kB or 38% of the original size.
Potential reduce by 11.0 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. Selectscience.org needs all CSS files to be minified and compressed as it can save up to 11.0 kB or 20% of the original size.
Number of requests can be reduced by 107 (53%)
202
95
The browser has sent 202 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Select Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
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selectscience.org accessibility score
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
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
selectscience.org 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
Browser errors were logged to the console
Page has valid source maps
selectscience.org SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Selectscience.org 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 Selectscience.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.
selectscience.org
Open Graph description is not detected on the main page of Select Science. 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: