2.4 sec in total
485 ms
1.8 sec
170 ms
Welcome to cesd.com homepage info - get ready to check CESD best content right away, or after learning these important things about cesd.com
Software Engineering tools,Health,Nutrition,Music,Games Apps.Windows,Android.Engineers,chemistry,professionals,students,educational personnel.
Visit cesd.comWe analyzed Cesd.com page load time and found that the first response time was 485 ms and then it took 2 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.
cesd.com performance score
name
value
score
weighting
Value3.7 s
29/100
10%
Value4.3 s
41/100
25%
Value8.2 s
20/100
10%
Value7,210 ms
0/100
30%
Value0
100/100
15%
Value16.0 s
6/100
10%
485 ms
378 ms
334 ms
409 ms
348 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 18% of them (11 requests) were addressed to the original Cesd.com, 13% (8 requests) were made to Apis.google.com and 12% (7 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (503 ms) relates to the external source Staticxx.facebook.com.
Page size can be reduced by 134.5 kB (50%)
266.7 kB
132.2 kB
In fact, the total size of Cesd.com main page is 266.7 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. 65% of websites need less resources to load. Javascripts take 196.3 kB which makes up the majority of the site volume.
Potential reduce by 29.2 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 29.2 kB or 77% of the original size.
Potential reduce by 2.5 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, CESD needs image optimization as it can save up to 2.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 92.7 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 92.7 kB or 47% of the original size.
Potential reduce by 10.1 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. Cesd.com needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 87% of the original size.
Number of requests can be reduced by 28 (53%)
53
25
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CESD. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and as a result speed up the page load time.
cesd.com
485 ms
StyleSheet.css
378 ms
Glfunctions.js
334 ms
unitsfunctions.js
409 ms
WebResource.axd
348 ms
ScriptResource.axd
419 ms
ScriptResource.axd
442 ms
jsdebug
487 ms
adsbygoogle.js
29 ms
platform.js
65 ms
analytics.js
9 ms
review_4_ChemMaths_award.png
208 ms
200x60.png
386 ms
collect
29 ms
branding.css
17 ms
branding.css
25 ms
ca-pub-5702557591751463.js
187 ms
zrt_lookup.html
82 ms
show_ads_impl.js
81 ms
widgets.js
16 ms
all.js
327 ms
frmsearch.html
176 ms
ads
258 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
117 ms
cb=gapi.loaded_0
47 ms
cb=gapi.loaded_1
109 ms
fastbutton
163 ms
osd.js
72 ms
brand
84 ms
show_afs_search.js
87 ms
query_renderer.js
87 ms
ads
254 ms
ads
226 ms
ads
311 ms
brand
102 ms
query_renderer.js
120 ms
ads
328 ms
postmessageRelay
160 ms
js
309 ms
tweet_button.b9740740e0bcf9b0657c5b11bd4388da.en.html
73 ms
cb=gapi.loaded_0
75 ms
cb=gapi.loaded_1
75 ms
W5F8_SL0XFawnjxHGsZjJA.ttf
102 ms
117 ms
xd_arbiter.php
274 ms
xd_arbiter.php
503 ms
google_custom_search_watermark.gif
84 ms
m_js_controller.js
68 ms
abg.js
100 ms
3193398744-postmessagerelay.js
154 ms
rpc:shindig_random.js
152 ms
favicon
181 ms
googlelogo_color_112x36dp.png
164 ms
nessie_icon_thin_arrow_big_white.png
129 ms
s
102 ms
x_button_blue2.png
66 ms
jot
212 ms
favicon
85 ms
cb=gapi.loaded_0
28 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
15 ms
cesd.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
<frame> or <iframe> elements do not have a title
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
cesd.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
cesd.com SEO score
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
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cesd.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 Cesd.com main page’s claimed encoding is windows-1252. 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.
cesd.com
Open Graph description is not detected on the main page of CESD. 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: