1.7 sec in total
85 ms
1.1 sec
451 ms
Click here to check amazing Harvard Apparatus content for United States. Otherwise, check out these important facts you probably never knew about harvardapparatus.com
Harvard Apparatus is a major US manufacturer of specialized physiological research laboratory equipment with current headquarters in Holliston, Massachusetts
Visit harvardapparatus.comWe analyzed Harvardapparatus.com page load time and found that the first response time was 85 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
harvardapparatus.com performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value21.6 s
0/100
25%
Value17.6 s
0/100
10%
Value1,540 ms
13/100
30%
Value0.103
89/100
15%
Value24.7 s
0/100
10%
85 ms
403 ms
104 ms
66 ms
111 ms
Our browser made a total of 115 requests to load all elements on the main page. We found that 96% of them (110 requests) were addressed to the original Harvardapparatus.com, 3% (3 requests) were made to Google-analytics.com and 2% (2 requests) were made to Seal.godaddy.com. The less responsive or slowest element that took the longest time to load (495 ms) relates to the external source Seal.godaddy.com.
Page size can be reduced by 1.1 MB (46%)
2.4 MB
1.3 MB
In fact, the total size of Harvardapparatus.com main page is 2.4 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. 50% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 322.9 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. This page needs HTML code to be minified as it can gain 62.9 kB, which is 18% 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 322.9 kB or 90% of the original size.
Potential reduce by 543.8 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, Harvard Apparatus needs image optimization as it can save up to 543.8 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 193.9 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 193.9 kB or 67% of the original size.
Potential reduce by 49.3 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. Harvardapparatus.com needs all CSS files to be minified and compressed as it can save up to 49.3 kB or 86% of the original size.
Number of requests can be reduced by 33 (30%)
110
77
The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Harvard Apparatus. 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.
harvardapparatus.com
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harvardapparatus.com accessibility score
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 input fields do not have accessible names
ARIA IDs are not unique
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
harvardapparatus.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
General
Impact
Issue
Detected JavaScript libraries
harvardapparatus.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
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Harvardapparatus.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 Harvardapparatus.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
harvardapparatus.com
Open Graph description is not detected on the main page of Harvard Apparatus. 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: