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Welcome to carolina.com homepage info - get ready to check Carolina best content for United States right away, or after learning these important things about carolina.com
Carolina Biological offers science supplies and materials for use in the science classroom. For more than 80 years Carolina has provided Science Supplies and Supprt for Educators around the world.
Visit carolina.comWe analyzed Carolina.com page load time and found that the first response time was 114 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
carolina.com performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value7.5 s
4/100
25%
Value6.6 s
37/100
10%
Value640 ms
47/100
30%
Value0.007
100/100
15%
Value13.1 s
12/100
10%
114 ms
3052 ms
59 ms
58 ms
57 ms
Our browser made a total of 246 requests to load all elements on the main page. We found that 95% of them (233 requests) were addressed to the original Carolina.com, 1% (2 requests) were made to Cdn.bronto.com and 1% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Carolina.com.
Page size can be reduced by 1.3 MB (29%)
4.5 MB
3.2 MB
In fact, the total size of Carolina.com main page is 4.5 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 3.2 MB which makes up the majority of the site volume.
Potential reduce by 305.5 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 305.5 kB or 90% of the original size.
Potential reduce by 341.2 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, Carolina needs image optimization as it can save up to 341.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 567.8 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 567.8 kB or 66% of the original size.
Potential reduce by 63.5 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. Carolina.com needs all CSS files to be minified and compressed as it can save up to 63.5 kB or 82% of the original size.
Number of requests can be reduced by 29 (12%)
243
214
The browser has sent 243 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carolina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
carolina.com
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carolina.com 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
carolina.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
carolina.com 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Carolina.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 Carolina.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.
carolina.com
Open Graph description is not detected on the main page of Carolina. 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: