4.5 sec in total
190 ms
3.3 sec
972 ms
Click here to check amazing Certero content for United Kingdom. Otherwise, check out these important facts you probably never knew about certero.com
Certero Solutions and Technology-Led Services gives you centralized visibility and control to optimize your IT assets everywhere.
Visit certero.comWe analyzed Certero.com page load time and found that the first response time was 190 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
certero.com performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value7.6 s
4/100
25%
Value7.1 s
31/100
10%
Value1,540 ms
13/100
30%
Value0.519
15/100
15%
Value10.8 s
22/100
10%
190 ms
1288 ms
80 ms
140 ms
206 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 44% of them (47 requests) were addressed to the original Certero.com, 28% (30 requests) were made to Fonts.gstatic.com and 12% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Certero.com.
Page size can be reduced by 862.0 kB (20%)
4.3 MB
3.4 MB
In fact, the total size of Certero.com main page is 4.3 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. 85% 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 3.5 MB which makes up the majority of the site volume.
Potential reduce by 178.0 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 178.0 kB or 85% of the original size.
Potential reduce by 345.4 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. Certero images are well optimized though.
Potential reduce by 25.0 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 25.0 kB or 23% of the original size.
Potential reduce by 313.6 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. Certero.com needs all CSS files to be minified and compressed as it can save up to 313.6 kB or 65% of the original size.
Number of requests can be reduced by 49 (68%)
72
23
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certero. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
certero.com
190 ms
www.certero.com
1288 ms
gtm.js
80 ms
cookie-law-info-public.css
140 ms
cookie-law-info-gdpr.css
206 ms
style.css
224 ms
css
101 ms
style.css
210 ms
style-static.min.css
362 ms
style.css
239 ms
main.css
241 ms
main-media-query.css
264 ms
animations.css
277 ms
DOMPurify.min.js
282 ms
jquery.min.js
436 ms
jquery-migrate.min.js
291 ms
cookie-law-info-public.js
321 ms
svgs-inline-min.js
339 ms
popper-1.16.1.min.js
345 ms
tippy-5.2.1.min.js
353 ms
js
94 ms
js
94 ms
et-divi-customizer-global.min.css
431 ms
embed.js
242 ms
idle-timer.min.js
383 ms
custom.js
383 ms
scripts.min.js
597 ms
main.js
383 ms
common.js
400 ms
jquery.fitvids.js
422 ms
jquery.mobile.js
431 ms
style.css
259 ms
weXtzptedH8
330 ms
certero_Rev_Wht_RedDot_padding2.png
102 ms
computer-error.png
373 ms
Peer-Insights1.png
372 ms
Review-Image.png
770 ms
Product.png
102 ms
Full-Managed-Service.png
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Vitado-logo-resized-1.png
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pe01MImSLYBIv1o4X1M8cce4GxZrU1Q.ttf
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modules.ttf
321 ms
default
374 ms
Homepage-image-1k.png
537 ms
shutterstock_234808768.png-4.jpg
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Purple-Geometric-1.png
496 ms
Green-background-1024x574.png
209 ms
Half-Circle-top-1024x297.png
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Half-circle-bottom-1024x297.png
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Case-studies.png
497 ms
Blue-block-1.png
536 ms
Green-resources-2.png
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Cream-Block.png
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weXtzptedH8
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www-player.css
69 ms
www-embed-player.js
85 ms
base.js
142 ms
fetch-polyfill.js
65 ms
ad_status.js
172 ms
WmYtwbYsvJeTDmsuIOmqRAOrqYQ4FznKv6GQB7SOtoo.js
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embed.js
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KFOmCnqEu92Fr1Mu4mxP.ttf
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id
35 ms
Create
78 ms
style.min.css
71 ms
style.min.css
82 ms
twk-arr-find-polyfill.js
211 ms
twk-object-values-polyfill.js
165 ms
twk-event-polyfill.js
258 ms
twk-entries-polyfill.js
121 ms
twk-iterator-polyfill.js
281 ms
twk-promise-polyfill.js
132 ms
twk-main.js
140 ms
twk-vendor.js
141 ms
twk-chunk-vendors.js
151 ms
twk-chunk-common.js
157 ms
twk-runtime.js
167 ms
twk-app.js
205 ms
GenerateIT
50 ms
certero.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
Links do not have a discernible name
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.
certero.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
Page has valid source maps
certero.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certero.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 Certero.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.
certero.com
Open Graph data is detected on the main page of Certero. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: