1.2 sec in total
134 ms
785 ms
245 ms
Welcome to chemlife.umd.edu homepage info - get ready to check Chemlife Umd best content for United States right away, or after learning these important things about chemlife.umd.edu
Official website of the largest science college at University of Maryland, College Park. Learn about undergraduate and graduate degrees, admissions, research.
Visit chemlife.umd.eduWe analyzed Chemlife.umd.edu page load time and found that the first response time was 134 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
chemlife.umd.edu performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value9.3 s
1/100
25%
Value4.6 s
71/100
10%
Value340 ms
74/100
30%
Value0.473
18/100
15%
Value7.5 s
48/100
10%
134 ms
66 ms
123 ms
31 ms
64 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Chemlife.umd.edu, 85% (41 requests) were made to Cmns.umd.edu and 6% (3 requests) were made to S3.amazonaws.com. The less responsive or slowest element that took the longest time to load (218 ms) relates to the external source Cmns.umd.edu.
Page size can be reduced by 412.4 kB (16%)
2.5 MB
2.1 MB
In fact, the total size of Chemlife.umd.edu main page is 2.5 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 2.1 MB which makes up the majority of the site volume.
Potential reduce by 38.5 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 38.5 kB or 80% of the original size.
Potential reduce by 78.4 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. Chemlife Umd images are well optimized though.
Potential reduce by 207.8 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 207.8 kB or 67% of the original size.
Potential reduce by 87.8 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. Chemlife.umd.edu needs all CSS files to be minified and compressed as it can save up to 87.8 kB or 82% of the original size.
Number of requests can be reduced by 20 (49%)
41
21
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemlife Umd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
chemlife.umd.edu
134 ms
www.cmns.umd.edu
66 ms
cmns.umd.edu
123 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
31 ms
css_itvsMmyyC4f-jjk4-b2evcYRPn1pfaG5jQv_6oA2abA.css
64 ms
css_v3ePRx-czBS4V11VW2i8vaX8A_y54YtCM6gNh2PFet8.css
55 ms
css_hkFjq2HWfpQzsTevlRJWDVKzSkER1hLd9hStNCMouMk.css
59 ms
css_-jgCytgGxCawfjbdvdvtKDYmllESBTIwdsVMHr-1FV8.css
60 ms
css_FwMYB9iTXY75ZJYCno5PCRa083cLydJEUy-jqadCeFU.css
67 ms
js_tm1gahPj5RurExr4Zj4GdGvvL7W4-u6_XRVeEsXyp3Q.js
87 ms
js_Ib9UtnIQtc1p87bK4x4MkscAZiDmSPClS-yx-9cUeww.js
106 ms
js_zV5HntqEZkXxRoFeGIYyxRswRSZhnsxlGHiDJg_1hB0.js
84 ms
js_Y7-ksvWE8iXYuasGkYDeu_CJu5xkcjRZB_Cw_tohfJI.js
86 ms
main.js
30 ms
js_qZeo5lZyGKc-Lf4f9caK7RcfMVt2Hu50PY3E0frxO6o.js
84 ms
analytics.js
83 ms
jquery.min.js
11 ms
logo.png
33 ms
search_button_bg.png
33 ms
search_text_bg.png
35 ms
block_title_bg.png
35 ms
larrydavis-banner_2.jpg
106 ms
merge_banner.jpg
108 ms
geraldwilkinson_banner.jpg
140 ms
4-students-banner.jpg
112 ms
osman-cmns-home.jpg
163 ms
umdloop3render-featnews.jpg
193 ms
cream_to_iss_thumb.jpg
135 ms
scott_juntti_thumbnail.jpg
135 ms
ionq_logo-featnews.jpg
145 ms
wasp-121b_2_thumb.jpg
162 ms
grb_nasa_thumb.jpg
191 ms
twitter-circle.png
191 ms
facebook-circle.png
192 ms
linkedin-circle.png
192 ms
youtube-circle.png
193 ms
rss-circle.png
193 ms
secondary_nav_dropdown.png
203 ms
PTS55F-webfont.woff
194 ms
21FF6D_0_0.woff
203 ms
21FF6D_1_0.woff
214 ms
PTS75F-webfont.woff
218 ms
collect
12 ms
pager_bg.png
31 ms
pager_active.png
36 ms
pager_inactive.png
37 ms
umd-bar-logo.png
13 ms
main.css
15 ms
chemlife.umd.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.
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
Links do not have a discernible name
chemlife.umd.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
chemlife.umd.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
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 Chemlife.umd.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 Chemlife.umd.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.
chemlife.umd.edu
Open Graph description is not detected on the main page of Chemlife Umd. 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: