2.5 sec in total
16 ms
1.7 sec
692 ms
Click here to check amazing YSI content for United States. Otherwise, check out these important facts you probably never knew about ysi.com
YSI has pioneered the development of high-quality water sensing instrumentation for use in environmental monitoring. Providing accurate water quality monitoring solutions, sampling, and turn-key equip...
Visit ysi.comWe analyzed Ysi.com page load time and found that the first response time was 16 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
ysi.com performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value16.0 s
0/100
25%
Value8.2 s
20/100
10%
Value4,500 ms
0/100
30%
Value0.356
30/100
15%
Value24.0 s
1/100
10%
16 ms
597 ms
73 ms
19 ms
71 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 60% of them (52 requests) were addressed to the original Ysi.com, 11% (10 requests) were made to Marvel-b1-cdn.bc0a.com and 6% (5 requests) were made to App-sj21.marketo.com. The less responsive or slowest element that took the longest time to load (820 ms) belongs to the original domain Ysi.com.
Page size can be reduced by 238.2 kB (9%)
2.7 MB
2.5 MB
In fact, the total size of Ysi.com main page is 2.7 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. 85% 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 2.2 MB which makes up the majority of the site volume.
Potential reduce by 146.8 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 146.8 kB or 76% of the original size.
Potential reduce by 35.8 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. YSI images are well optimized though.
Potential reduce by 54.9 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 54.9 kB or 19% of the original size.
Potential reduce by 752 B
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. Ysi.com has all CSS files already compressed.
Number of requests can be reduced by 29 (36%)
81
52
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of YSI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
ysi.com
16 ms
www.ysi.com
597 ms
marvel.js
73 ms
responsive.css
19 ms
jquery.min.js
71 ms
jquery-ui.min.js
76 ms
modernizr.js
52 ms
slider.js
52 ms
twitterfetcher-min.js
51 ms
base.css
62 ms
responsive.css
51 ms
sharethis.js
69 ms
7971.js
197 ms
WebForms.js
66 ms
MicrosoftAjax.js
67 ms
MicrosoftAjaxWebForms.js
66 ms
forms2.min.js
195 ms
Basepage.js
46 ms
common.js
58 ms
jquery.royalslider.min.js
60 ms
gtm.js
355 ms
bat.js
338 ms
fbevents.js
160 ms
munchkin.js
340 ms
logo.png
115 ms
cta-core-v3.js
325 ms
blank.gif
161 ms
wave-transparent.png
302 ms
wave.png
302 ms
wave-transparent1.png
302 ms
one-team-on-a-mission.jpg
301 ms
water-monitoring-autonomous-surface-vehicles-800x450.jpg
303 ms
water-quality-monitoring-sonde-exo-s-800x450.jpg
302 ms
wastewater-sensors-ammonium-nitrate-800x450.jpg
371 ms
proplus-to-proquatro-video-thumbnail-800x450.jpg
372 ms
Deep-Ocean-Blog-Post---700x450.jpg
376 ms
hab-monitoring-system-selector-150x150.jpg
820 ms
water-quality-handheld-selector-thumb.jpg
369 ms
ysi-titrator-selector-150x150.jpg
317 ms
floating-platform-selector-150x150.jpg
376 ms
consult-header.jpg
376 ms
consult-the-lab-experts.jpg
383 ms
wastewater-municipal-drinking-water-consulting.jpg
385 ms
ph-handbook.jpg
394 ms
titration-handbook.jpg
393 ms
dissolved-oxygen-handbook.jpg
394 ms
phosphorus-handbook.jpg
397 ms
water-quality-sensor-webinars-thumb.jpg
403 ms
homepage-shop.jpg
403 ms
water-monitoring-services-specialist-heather.jpg
403 ms
ask-a-question-thumb.jpg
404 ms
xylem-logo-footer.png
402 ms
www.ysi.com.json
211 ms
getForm
209 ms
opensans-regular.woff
335 ms
fontello.woff
325 ms
f26faddb-86cc-4477-a253-1e1287684336.woff
344 ms
Tracking.js
286 ms
livechat.ashx
359 ms
insight.min.js
225 ms
prev_Portable-Multi-Parameter-Photometer.jpg
217 ms
prev_YSI-EXO1s-multiparameter-sonde.jpg
163 ms
prev_Autonomous-Remote-Surface-Water-Vehicle.jpg
216 ms
prev_Acoustic-Doppler-Current-Profiling-System-Face-Left.jpg
219 ms
prev_YSI-ProQuatro-Multiparameter-Sampling-Handheld.jpg
218 ms
prev_Multiparameter-Digital-Water-Quality-Meter-ProDSS.jpg
215 ms
prev_Multiparameter-Water-Quality-Sonde-for-Unattended-Monitoring.jpg
212 ms
prev_YSI-2020-3G-controller.jpg
219 ms
prev_YSI-ISS-Pontoon-Vertical-Profiling-System-600x600-1.jpg
222 ms
prev_YSI-ProSolo-Handheld.jpg
223 ms
ajax-loader.gif
136 ms
mw10-ysi-homepage-slider-1902x600.jpg
220 ms
exo-u_homepage-banner.jpg
162 ms
water-quality-sampling.jpg
215 ms
wave1.png
648 ms
water-monitoring-autonomous-surface-vehicles-90x90.jpg
208 ms
water-monitoring-equipment-exo-s-sonde-90x90.jpg
209 ms
2e23b996f30aa45a4331ff625e76329e.js
78 ms
wastewater-sensors-ammonium-nitrate-90x90.jpg
209 ms
proplus-to-proquatro-video-thumbnail-90x90.jpg
210 ms
munchkin.js
64 ms
forms2.css
120 ms
forms2-theme-simple.css
120 ms
visitWebPage
315 ms
insight_tag_errors.gif
125 ms
tracking
67 ms
XDFrame
156 ms
ysi.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
No form fields have multiple labels
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.
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 IDs are not unique
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.
ysi.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
Browser errors were logged to the console
Page has valid source maps
ysi.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
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 Ysi.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 Ysi.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.
ysi.com
Open Graph description is not detected on the main page of YSI. 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: