21.8 sec in total
1.6 sec
12.8 sec
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Welcome to c21sec.com homepage info - get ready to check C 21 Sec best content right away, or after learning these important things about c21sec.com
CENTURY 21 SECURITY IS AN ESTABLISHED, HIGHLY ACCREDITED SPECIALIST COMPANY & PROVIDER OF ALL ASPECTS IN FIRE AND SECURITY ALARM PROTECTION.
Visit c21sec.comWe analyzed C21sec.com page load time and found that the first response time was 1.6 sec and then it took 20.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
c21sec.com performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value9.7 s
0/100
25%
Value20.4 s
0/100
10%
Value13,560 ms
0/100
30%
Value0
100/100
15%
Value25.9 s
0/100
10%
1576 ms
63 ms
335 ms
324 ms
325 ms
Our browser made a total of 133 requests to load all elements on the main page. We found that 61% of them (81 requests) were addressed to the original C21sec.com, 15% (20 requests) were made to Pbs.twimg.com and 5% (7 requests) were made to S.w.org. The less responsive or slowest element that took the longest time to load (3.9 sec) relates to the external source Images1-focus-opensocial.googleusercontent.com.
Page size can be reduced by 1.3 MB (19%)
7.0 MB
5.7 MB
In fact, the total size of C21sec.com main page is 7.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.6 MB which makes up the majority of the site volume.
Potential reduce by 183.0 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 183.0 kB or 85% of the original size.
Potential reduce by 308.6 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. C 21 Sec images are well optimized though.
Potential reduce by 285.3 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 285.3 kB or 61% of the original size.
Potential reduce by 546.6 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. C21sec.com needs all CSS files to be minified and compressed as it can save up to 546.6 kB or 76% of the original size.
Number of requests can be reduced by 47 (37%)
127
80
The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C 21 Sec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
c21sec.com
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c21sec.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
Links do not have a discernible name
c21sec.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
c21sec.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
Image elements do not have [alt] attributes
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 C21sec.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 C21sec.com 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.
c21sec.com
Open Graph data is detected on the main page of C 21 Sec. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: