6 sec in total
1.4 sec
4.1 sec
499 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 1.4 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
ysi.com performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value19.8 s
0/100
25%
Value6.4 s
40/100
10%
Value1,360 ms
17/100
30%
Value0.384
27/100
15%
Value18.7 s
3/100
10%
1371 ms
103 ms
144 ms
75 ms
97 ms
Our browser made a total of 80 requests to load all elements on the main page. We found that 74% of them (59 requests) were addressed to the original Ysi.com, 4% (3 requests) were made to Ajax.aspnetcdn.com and 4% (3 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ysi.com.
Page size can be reduced by 766.7 kB (17%)
4.6 MB
3.8 MB
In fact, the total size of Ysi.com main page is 4.6 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 3.5 MB which makes up the majority of the site volume.
Potential reduce by 205.2 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 205.2 kB or 76% of the original size.
Potential reduce by 111.2 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. YSI images are well optimized though.
Potential reduce by 450.2 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 450.2 kB or 61% of the original size.
Potential reduce by 140 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 21 (28%)
74
53
The browser has sent 74 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 22 to 1 for JavaScripts and as a result speed up the page load time.
www.ysi.com
1371 ms
base.css
103 ms
responsive.css
144 ms
jquery.min.js
75 ms
jquery-ui.min.js
97 ms
CustomTrackingScript.js
86 ms
modernizr.js
184 ms
common.js
283 ms
slider.js
198 ms
jquery.royalslider.min.js
282 ms
twitterFetcher_min.js
210 ms
form_validation.js
166 ms
WebForms.js
142 ms
MicrosoftAjax.js
174 ms
MicrosoftAjaxWebForms.js
203 ms
ComponentArtScript.axd
309 ms
addthis_widget.js
80 ms
Basepage.js
205 ms
analytics.js
120 ms
logo.png
118 ms
labimage.jpg
120 ms
Wastewater-Clarifier-image-1400x350.jpg
296 ms
YSI-Systems-Source-Water-Solutions-Banner-1400x350-small.jpg
120 ms
Life-Sciences-Guy-image-1400x350.jpg
142 ms
Tilapia-Feeding-1400x350.jpg
287 ms
YSI-TruLab-at-Newport-Aquarium-500x298.jpg
142 ms
YSI-at-Newport-Shark-Exhibit-500x298.jpg
170 ms
ProDSS-Video-Screen-Shot-with-Gloves-On-500x264.jpg
294 ms
EXO-University-Video-image-500x281.jpg
373 ms
YSI-Aquaculture-M-C-Video-image-500x264.jpg
292 ms
video-image.jpg
286 ms
TruLab-Laboratory-Video-image-500x281.jpg
303 ms
Best-pH-Measurement-Practices-Webinar-Banner.jpg
302 ms
ysi-amazon-bubbler-banner-launching-april5.jpg
349 ms
EVO_YSI_Home_Banner.jpg
370 ms
prev_YSI-4010-3-MultiLab-Meter-600x600.jpg
372 ms
prev_EXO_Wiped_CT_Sonde.jpg
376 ms
prev_IFL-graph-in-2020-XT-display-600x600.jpg
358 ms
prev_YSI-2900M-Online-Monitor-System.jpg
441 ms
prev_YSI%20ProDSS%20Meter%20Only%20Straight%20600x600.jpg
440 ms
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443 ms
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prev_YSI%20IQ%20SensorNet%20Orthophosphate___%20600x600jpg.jpg
452 ms
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464 ms
prev_YSI%205500D%20Optical%20DO%20Monitor%20600x600.jpg
452 ms
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prev_YSI-pH100A-pH-Meter-600x600.jpg
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prev_YSI_Pro_Plus_no_cable_600x600(2).jpg
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881 ms
logo-footer.png
610 ms
opensans-regular.woff
516 ms
blank.gif
528 ms
wave-transparent.png
620 ms
wave.png
664 ms
fontello.woff
661 ms
f26faddb-86cc-4477-a253-1e1287684336.woff
620 ms
collect
12 ms
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151 ms
ajax-loader.gif
603 ms
297051763532496896%20%20%20
351 ms
300lo.json
72 ms
YSI-TruLab-at-Newport-90x90.jpg
532 ms
YSI-at-Newport-Shark-Exhibit-90x90.jpg
556 ms
ProDSS-Video-Screen-Shot-with-Gloves-On-90x90.jpg
558 ms
sh.7c7179124ea24ac6ba46caac.html
55 ms
EXO-University-Video-image-90x90.jpg
622 ms
YSI-Aquaculture-M-C-Video-image-90x90.jpg
587 ms
video-thumbnail.jpg
1123 ms
TruLab-Laboratory-Video-image-90x90.jpg
1111 ms
layers.3643cb2e25fb91c29386.js
24 ms
1442060e2d6e9482d0430f0c02250973_normal.jpeg
24 ms
cGe9AQi7_normal.jpeg
7 ms
rakCIcjQ_normal.jpg
10 ms
404
196 ms
fql
193 ms
count.json
75 ms
info.json
111 ms
share
128 ms
shares.json
68 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
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
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
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
UTF-8
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 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.
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: