2.2 sec in total
463 ms
1.6 sec
143 ms
Click here to check amazing Sandiego Instruments content. Otherwise, check out these important facts you probably never knew about sandiegoinstruments.com
San Diego Instruments has served the scientific community, for more than 30 years, with quality Life Science instruments for Behavioral Neuroscience Research.
Visit sandiegoinstruments.comWe analyzed Sandiegoinstruments.com page load time and found that the first response time was 463 ms and then it took 1.7 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.
sandiegoinstruments.com performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value6.6 s
8/100
25%
Value6.6 s
38/100
10%
Value250 ms
84/100
30%
Value0.088
92/100
15%
Value6.8 s
55/100
10%
463 ms
406 ms
17 ms
42 ms
104 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 73% of them (24 requests) were addressed to the original Sandiegoinstruments.com, 9% (3 requests) were made to Google-analytics.com and 6% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (486 ms) belongs to the original domain Sandiegoinstruments.com.
Page size can be reduced by 35.1 kB (25%)
141.5 kB
106.4 kB
In fact, the total size of Sandiegoinstruments.com main page is 141.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 61.7 kB which makes up the majority of the site volume.
Potential reduce by 9.3 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 9.3 kB or 72% of the original size.
Potential reduce by 3.7 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. Sandiego Instruments images are well optimized though.
Potential reduce by 4.1 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. This website has mostly compressed JavaScripts.
Potential reduce by 18.0 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. Sandiegoinstruments.com needs all CSS files to be minified and compressed as it can save up to 18.0 kB or 83% of the original size.
Number of requests can be reduced by 14 (48%)
29
15
The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sandiego Instruments. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
www.sandiegoinstruments.com
463 ms
lnf2009.css
406 ms
conversion.js
17 ms
ga.js
42 ms
content_a_tile.gif
104 ms
header_bottom_line.gif
81 ms
logo.gif
254 ms
search.gif
168 ms
clear.gif
154 ms
nav_back.gif
154 ms
nav_wrap_l.gif
157 ms
nav_wrap_r.gif
180 ms
view_products_home.png
397 ms
main_image_home.jpg
486 ms
featured_1.jpg
263 ms
link_arrow.gif
242 ms
featured_2.jpg
270 ms
featured_3.jpg
345 ms
featured_4.jpg
347 ms
home_cta_top.gif
343 ms
cta_1.gif
351 ms
cta_2.gif
462 ms
home_cta_bot.gif
422 ms
news_teaser_tile.gif
423 ms
news_teaser_top.gif
457 ms
news_teaser_bot.gif
471 ms
54 ms
inpage_linkid.js
11 ms
2995.js
27 ms
__utm.gif
30 ms
49 ms
collect
53 ms
ga-audiences
16 ms
sandiegoinstruments.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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
sandiegoinstruments.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
Page has valid source maps
sandiegoinstruments.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
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sandiegoinstruments.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 Sandiegoinstruments.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.
sandiegoinstruments.com
Open Graph description is not detected on the main page of Sandiego Instruments. 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: