1.9 sec in total
258 ms
1.3 sec
256 ms
Welcome to plantbiology.siu.edu homepage info - get ready to check Plant Biology SIU best content for United States right away, or after learning these important things about plantbiology.siu.edu
The Plant Biology Department at SIU offers undergraduate and graduate programs to prepare graduates for exciting careers in the fast-growing field of plant biology.
Visit plantbiology.siu.eduWe analyzed Plantbiology.siu.edu page load time and found that the first response time was 258 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.
plantbiology.siu.edu performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value6.9 s
6/100
25%
Value4.8 s
67/100
10%
Value150 ms
95/100
30%
Value0.086
93/100
15%
Value9.1 s
33/100
10%
258 ms
174 ms
203 ms
205 ms
305 ms
Our browser made a total of 43 requests to load all elements on the main page. We found that 26% of them (11 requests) were addressed to the original Plantbiology.siu.edu, 49% (21 requests) were made to Asset.siu.edu and 9% (4 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (741 ms) relates to the external source Asset.siu.edu.
Page size can be reduced by 349.1 kB (37%)
931.4 kB
582.3 kB
In fact, the total size of Plantbiology.siu.edu main page is 931.4 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. 35% of websites need less resources to load. Images take 682.2 kB which makes up the majority of the site volume.
Potential reduce by 17.7 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 3.9 kB, which is 16% 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 17.7 kB or 74% of the original size.
Potential reduce by 203.3 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, Plant Biology SIU needs image optimization as it can save up to 203.3 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 57.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 57.1 kB or 40% of the original size.
Potential reduce by 71.0 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. Plantbiology.siu.edu needs all CSS files to be minified and compressed as it can save up to 71.0 kB or 85% of the original size.
Number of requests can be reduced by 17 (43%)
40
23
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plant Biology SIU. 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 7 to 1 for CSS and as a result speed up the page load time.
plantbiology.siu.edu
258 ms
sliver.css
174 ms
academic-responsive.css
203 ms
jquery.mmenu.css
205 ms
mobile-academic.css
305 ms
jquery.min.js
29 ms
modernizr-2.0.6.min.js
237 ms
plugins.js
205 ms
college-script.js
494 ms
page-slideshow.js
516 ms
css
24 ms
override-science.css
538 ms
jsapi
19 ms
academic-mobile-script.js
521 ms
jquery.mmenu.min.js
741 ms
analytics.js
20 ms
Baer-lab-burn-thumb.jpg
86 ms
wetland-ecology-kayaking-tidal-bayous-thumb.jpg
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Dale-moss-thumb.jpg
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Chupp-Merced-graduation-thumb.jpg
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Student-phytotron-3.jpg
104 ms
Epiphytes.jpg
219 ms
siu_wordmark.png
484 ms
logo-plantbiology.png
314 ms
search_btn.png
312 ms
25 ms
collect
11 ms
collect
52 ms
default+en.css
4 ms
default+en.I.js
11 ms
Baer-lab-burn-banner.jpg
107 ms
wetland-ecology-kayaking-tidal-bayous-banner.jpg
210 ms
Dale-moss-banner.jpg
139 ms
Chupp-Merced-graduation-banner.jpg
210 ms
three_1.jpg
249 ms
nav_bullet.png
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siu-logo-white.png
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page-bg.png
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applynow.png
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share-sprite.png
270 ms
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share-sprite.png
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async-ads.js
57 ms
plantbiology.siu.edu accessibility score
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
plantbiology.siu.edu 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
Browser errors were logged to the console
plantbiology.siu.edu 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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Plantbiology.siu.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Plantbiology.siu.edu 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.
plantbiology.siu.edu
Open Graph description is not detected on the main page of Plant Biology SIU. 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: