1.3 sec in total
152 ms
605 ms
557 ms
Visit mchmultimedia.com now to see the best up-to-date Mch Multimedia content for United States and also check out these interesting facts you probably never knew about mchmultimedia.com
Mch Multimedia Physical Chemistry experts Laidler, Meiser, and Sanctuary have made the subject simple and easy to learn for the university students
Visit mchmultimedia.comWe analyzed Mchmultimedia.com page load time and found that the first response time was 152 ms and then it took 1.2 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.
mchmultimedia.com performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value16.9 s
0/100
25%
Value17.2 s
0/100
10%
Value2,330 ms
5/100
30%
Value0.294
40/100
15%
Value17.2 s
4/100
10%
152 ms
12 ms
15 ms
32 ms
16 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 88% of them (64 requests) were addressed to the original Mchmultimedia.com, 5% (4 requests) were made to Google-analytics.com and 4% (3 requests) were made to Mchmultimedia.us1.list-manage.com. The less responsive or slowest element that took the longest time to load (248 ms) belongs to the original domain Mchmultimedia.com.
Page size can be reduced by 463.3 kB (19%)
2.5 MB
2.0 MB
In fact, the total size of Mchmultimedia.com 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. 70% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 52.2 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 52.2 kB or 86% of the original size.
Potential reduce by 89.1 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. Mch Multimedia images are well optimized though.
Potential reduce by 272.3 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 272.3 kB or 70% of the original size.
Potential reduce by 49.7 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. Mchmultimedia.com needs all CSS files to be minified and compressed as it can save up to 49.7 kB or 84% of the original size.
Number of requests can be reduced by 37 (51%)
72
35
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mch Multimedia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
home.php
152 ms
common.js
12 ms
browser_identificator.js
15 ms
jquery-1.3.2.min.js
32 ms
jquery-fix.js
16 ms
jquery-ui-1.7.3.custom.min.js
41 ms
jquery-ui-1.7.3.custom.css
31 ms
skin1.css
18 ms
javascripts.js
30 ms
jquery.validate.js
133 ms
jquery.form.js
138 ms
xs-js
138 ms
jquery-comp.js
136 ms
jquery-fpss-comp.js
130 ms
si.js
113 ms
gatag.js
131 ms
urchin.js
7 ms
ga.js
13 ms
logo.png
64 ms
interactive-educational-software.jpg
69 ms
head_menu_bg.gif
66 ms
head_menu_stripe.png
66 ms
spacer.gif
65 ms
go_image.png
68 ms
facebook.gif
69 ms
twitter.gif
69 ms
FreeChapter1.png
80 ms
midleft.png
70 ms
twitter.png
70 ms
image.php
214 ms
image.php
219 ms
but1.png
78 ms
but2.png
76 ms
image.php
212 ms
image.php
216 ms
image.php
216 ms
image.php
215 ms
image.php
248 ms
cart.png
214 ms
paypal_verified.png
237 ms
systems.png
237 ms
nspacer.png
234 ms
supportportalM.png
237 ms
thumb_general_chemistry_student.jpg
238 ms
thumb_organic_chemistry_student.jpg
239 ms
thumb_general_physics_student.jpg
242 ms
thumb_mchcolleg.jpg
242 ms
banner1_PhysChem.png
85 ms
banner2_GenChem.png
83 ms
banner3_IntroChem.png
82 ms
banner4_OrgChem.png
89 ms
banner5_CalPhys.png
87 ms
ScBundl-Value.png
83 ms
central_bg.png
189 ms
head_shadow_menu.gif
191 ms
categories_bg.png
194 ms
bot_menu_bg.png
195 ms
__utm.gif
34 ms
template_css.php
108 ms
main_bg.gif
169 ms
letter.gif
167 ms
loading_black.gif
31 ms
dialog_title_right.gif
44 ms
dialog_title_left.gif
44 ms
top_box_right.gif
47 ms
top_box_left.gif
46 ms
butbg.png
47 ms
bottom_box_right.gif
46 ms
bottom_box_left.gif
48 ms
right_bg.png
49 ms
smarticon
53 ms
__utm.gif
19 ms
transparent_bg.png
10 ms
mchmultimedia.com 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
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
mchmultimedia.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
mchmultimedia.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
EN
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mchmultimedia.com 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 Mchmultimedia.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.
mchmultimedia.com
Open Graph description is not detected on the main page of Mch Multimedia. 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: