1.8 sec in total
77 ms
588 ms
1.2 sec
Welcome to cel-sci.com homepage info - get ready to check Cel Sci best content for United States right away, or after learning these important things about cel-sci.com
Visit cel-sci.comWe analyzed Cel-sci.com page load time and found that the first response time was 77 ms and then it took 1.7 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.
cel-sci.com performance score
name
value
score
weighting
Value8.7 s
0/100
10%
Value12.9 s
0/100
25%
Value17.4 s
0/100
10%
Value1,810 ms
9/100
30%
Value0
100/100
15%
Value18.7 s
3/100
10%
77 ms
96 ms
11 ms
10 ms
12 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 75% of them (21 requests) were addressed to the original Cel-sci.com, 7% (2 requests) were made to Fast.wistia.net and 7% (2 requests) were made to Facebook.com. The less responsive or slowest element that took the longest time to load (326 ms) relates to the external source Facebook.com.
Page size can be reduced by 62.8 kB (16%)
392.1 kB
329.3 kB
In fact, the total size of Cel-sci.com main page is 392.1 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. 25% of websites need less resources to load. Images take 195.2 kB which makes up the majority of the site volume.
Potential reduce by 22.6 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 3.7 kB, which is 12% 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 22.6 kB or 74% of the original size.
Potential reduce by 23.6 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, Cel Sci needs image optimization as it can save up to 23.6 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 3.4 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. This website has mostly compressed JavaScripts.
Potential reduce by 13.2 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. Cel-sci.com needs all CSS files to be minified and compressed as it can save up to 13.2 kB or 87% of the original size.
Number of requests can be reduced by 10 (37%)
27
17
The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cel Sci. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
cel-sci.com
77 ms
fbds.js
96 ms
cel_sci.css
11 ms
textsizer.js
10 ms
AC_RunActiveContent.js
12 ms
menu_lv1_v3.gif
58 ms
menu_lv2a.gif
57 ms
home_banner_line.gif
46 ms
corp_pres.GIF
47 ms
press_releases.gif
57 ms
Enrollment_02292016(2).jpg
59 ms
twitter2.jpg
58 ms
xk8l8iveo0
44 ms
menu_top.gif
25 ms
menu_left_pad.gif
26 ms
calloutSignup.gif
26 ms
home_stripsize.gif
28 ms
home_right_pad.gif
30 ms
home_striphilite12.gif
30 ms
home_top.gif
30 ms
menu_bott_line.gif
31 ms
menu_bott.gif
31 ms
dtc.gif
31 ms
E-v1.js
53 ms
326 ms
iframe_shim
214 ms
41df5308c67a6dd0ce99a2f7737008e0c8066f72.jpg
114 ms
3 ms
cel-sci.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.
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
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
cel-sci.com 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
cel-sci.com 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
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
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cel-sci.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cel-sci.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.
cel-sci.com
Open Graph description is not detected on the main page of Cel Sci. 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: