Analyze

chem.umd.edu: Department of Chemistry and Biochemistry – University of Maryland, College Park MD homepage - Department of Chemistry and Biochemistry - University of...

Page load speed analysis

  • 66/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    697 ms

  • Resources loaded

    1.9 sec

  • Page rendered

    162 ms

  • Total page load time

    2.8 sec

Click here to check amazing Chem U MD content for United States. Otherwise, check out these important facts you probably never knew about chem.umd.edu

We analyzed Chem.umd.edu page load time and found that the first response time was 697 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Page optimization

  • HTML 81.2 kB
    Images 662.4 kB
    Javascripts 463.3 kB
    CSS 406.8 kB

    In fact, the total size of Chem.umd.edu main page is 1.6 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. 65% of websites need less resources to load. Images take 662.4 kB which makes up the majority of the site volume.

    • Original 81.2 kB
    • After minification 75.9 kB
    • After compression 16.6 kB

    HTML optimization

    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 64.6 kB or 80% of the original size.

    • Original 662.4 kB
    • After optimization 606.8 kB

    Image optimization

    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. Chem U MD images are well optimized though.

    • Original 463.3 kB
    • After minification 380.8 kB
    • After compression 126.4 kB

    JavaScript optimization

    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 336.9 kB or 73% of the original size.

    • Original 406.8 kB
    • After minification 339.1 kB
    • After compression 54.2 kB

    CSS optimization

    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. Chem.umd.edu needs all CSS files to be minified and compressed as it can save up to 352.6 kB or 87% of the original size.

Network requests diagram

  • www.chem.umd.edu
  • iconize.css
  • style.css
  • css
  • www.chem.umd.edu
  • cn-user.min.css
  • chosen.min.css
  • mappress.css
  • jquery.fancybox-1.3.4.css
  • rps-image-gallery.css
  • frontend.css
  • cn-form-user.css
  • jquery.miniColors.css
  • jquery.js
  • jquery-migrate.min.js
  • cn_rot13.js
  • jquery.fancybox-1.3.4.pack.js
  • jquery.easing-1.3.pack.js
  • jquery-1.7.2.min.js
  • jquery.easing.1.3.js
  • jquery.quicksand.js
  • main.js
  • scrolltopcontrol.js
  • sudo.js
  • contentslider.js
  • jquery.countdown.js
  • misc.js
  • tabs.js
  • animatedcollapse.js
  • jquery.fancybox-1.3.1.js
  • lightbox.js
  • ddsmoothmenu.js
  • jquery.miniColors.js
  • functions.js
  • jquery.ui.widget.js
  • jquery.ui.progressbar.js
  • jquery.nivo.slider.pack.js
  • js
  • gallery-and-caption.css
  • jquery.fancybox-1.3.4.css
  • jquery.preloader.min.js
  • cn-user.min.js
  • jquery.form.min.js
  • cn-form-user.js
  • css
  • css
  • css
  • jquery.validate.min.js
  • jquery.chosen.min.js
  • www.chem.umd.edu
  • black.png
  • nav_bg.png
  • layers.png
  • logo-chem1.png
  • sep1.png
  • umd_logo.png
  • search.png
  • mag.png
  • navigation.png
  • banner_shadow.png
  • loading.gif
  • thumb.php
  • thumb.php
  • thumb.php
  • robey_chair_welcome.jpg
  • unspecified1-448x202.png
  • efrain_pic-118x70.png
  • TaylorPlank6-118x70.jpg
  • MatthewDisney-118x70.jpg
  • dayie_sintim-448x202.jpg
  • isaacs-118x70.jpg
  • mb-118x70.jpg
  • arenal-volcano11-118x70.jpg
  • generic.png
  • campaign_giving_small.png
  • patteren.gif
  • foot_sep.png
  • facebook.png
  • rel.png
  • googleplus.png
  • linkedin.png
  • twitter.png
  • top.png
  • arrow.png
  • DBCt-NXN57MTAFjitYxdrDR-eWpsHSw83BRsAQElGgc.ttf
  • timely-sub-icons.svg
  • fontawesome-webfont.woff
  • timely-sub-icons.woff
  • readmore.gif
  • bars.gif
  • dblack.png
  • leftar.gif
  • banner_arrows.png

Our browser made a total of 93 requests to load all elements on the main page. We found that 94% of them (87 requests) were addressed to the original Chem.umd.edu, 4% (4 requests) were made to Fonts.googleapis.com and 1% (1 request) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (697 ms) belongs to the original domain Chem.umd.edu.

Additional info on chem.umd.edu

Requests

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chem U MD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

32

Javascripts

40

Images

17

CSS

2

AJAX

91

All

Possible request optimization

1

Javascripts

40

Images

1

CSS

2

AJAX

47

Optimized

44

All

Normal result

IP address

This IP address is dedicated to Chem.umd.edu. This is the best domain hosting practice .

Normal result

IP Trace

chem.umd.edu

128.8.177.196

DNS records

Type Host Target/ip TTL Other
A

www.chem.umd.edu

128.8.177.196 900
CNAME

chem.umd.edu

www.chem.umd.edu 900
MX

www.chem.umd.edu

www.chem.umd.edu 900 Pri: 100

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chem.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 Chem.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.

HTTPS certificate

SSL Certificate

Chem.umd.edu has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 67.5% of all visits is United States. It’s good for Chem.umd.edu that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Chem U MD. 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:

chem.umd.edu

Share this report in social media

Analyze another website

Analyze