Tools & Wizards About Us
certificationscenter.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

certificationscenter.com

Certification Center | Pass Your Certification in 1st Attempt Redhat CCNA AWS GCP Azure Kubernetes Oracle CISA CISM PMP Salesforce Togaf Prince2 ITIL ...

Page Load Speed

1.6 sec in total

First Response

48 ms

Resources Loaded

1.1 sec

Page Rendered

381 ms

certificationscenter.com screenshot

About Website

Click here to check amazing Certification S Center content. Otherwise, check out these important facts you probably never knew about certificationscenter.com

Pass Your Certification in 1st Attempt. We serve the best Redhat, Linux, Openstack, Openshift, DevOps, Python, AWS Cloud, Azure, CISCO, Microsoft, CCNA, CCNP, Oracle, CISM, PMP, CISA, Salesforce, Toga...

Visit certificationscenter.com

Key Findings

We analyzed Certificationscenter.com page load time and found that the first response time was 48 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

certificationscenter.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.367

29/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

certificationscenter.com

48 ms

www.certificationscenter.com

214 ms

bootstrap.min.css

31 ms

style.css

104 ms

skin-modes.css

29 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 92% of them (108 requests) were addressed to the original Certificationscenter.com, 2% (2 requests) were made to Cdn.jsdelivr.net and 2% (2 requests) were made to Cdn.datatables.net. The less responsive or slowest element that took the longest time to load (435 ms) belongs to the original domain Certificationscenter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 386.6 kB (21%)

Content Size

1.9 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certificationscenter.com main page is 1.9 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 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-94%

Potential reduce by 299.6 kB

  • Original 318.5 kB
  • After minification 158.3 kB
  • After compression 19.0 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. This page needs HTML code to be minified as it can gain 160.2 kB, which is 50% 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 299.6 kB or 94% of the original size.

Image Optimization

-2%

Potential reduce by 24.3 kB

  • Original 1.1 MB
  • After minification 1.0 MB

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. Certification S Center images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 44.7 kB

  • Original 258.9 kB
  • After minification 258.9 kB
  • After compression 214.2 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 44.7 kB or 17% of the original size.

CSS Optimization

-9%

Potential reduce by 17.9 kB

  • Original 208.7 kB
  • After minification 208.7 kB
  • After compression 190.8 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. Certificationscenter.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 60 (54%)

Requests Now

112

After Optimization

52

  • Images
  • JavaScript
  • CSS

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certification S Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

certificationscenter.com

certificationscenter.com

48 ms

www.certificationscenter.com

www.certificationscenter.com

214 ms

bootstrap.min.css

bootstrap.min.css

31 ms

style.css

style.css

104 ms

skin-modes.css

skin-modes.css

29 ms

header.css

header.css

44 ms

icons.css

icons.css

36 ms

select2.min.css

select2.min.css

28 ms

owl.carousel.css

owl.carousel.css

41 ms

jquery.mCustomScrollbar.css

jquery.mCustomScrollbar.css

43 ms

switcher.css

switcher.css

50 ms

color8.css

color8.css

48 ms

gallery.css

gallery.css

52 ms

autoComplete.min.css

autoComplete.min.css

26 ms

js

js

81 ms

email-decode.min.js

email-decode.min.js

34 ms

jquery.min.js

jquery.min.js

28 ms

popper.min.js

popper.min.js

84 ms

bootstrap.min.js

bootstrap.min.js

85 ms

jquery.sparkline.min.js

jquery.sparkline.min.js

84 ms

circle-progress.min.js

circle-progress.min.js

112 ms

jquery.rating-stars.js

jquery.rating-stars.js

111 ms

owl.carousel.js

owl.carousel.js

116 ms

horizontal-menu.js

horizontal-menu.js

124 ms

counterup.min.js

counterup.min.js

130 ms

waypoints.min.js

waypoints.min.js

145 ms

numeric-counter.js

numeric-counter.js

136 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

148 ms

select2.full.min.js

select2.full.min.js

166 ms

select2.js

select2.js

167 ms

jquery.ihavecookies.js

jquery.ihavecookies.js

185 ms

cookie.js

cookie.js

187 ms

jquery.lwtCountdown-1.0.js

jquery.lwtCountdown-1.0.js

175 ms

jquery-ui.js

jquery-ui.js

233 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

220 ms

sticky.js

sticky.js

204 ms

switcher.js

switcher.js

226 ms

swipe.js

swipe.js

239 ms

owl-carousel.js

owl-carousel.js

231 ms

jquery.dataTables.css

jquery.dataTables.css

49 ms

jquery.dataTables.js

jquery.dataTables.js

110 ms

autoComplete.min.js

autoComplete.min.js

17 ms

jquery.showmore.js

jquery.showmore.js

244 ms

showmore.js

showmore.js

256 ms

custom.js

custom.js

261 ms

accordion.min.js

accordion.min.js

261 ms

font-awesome.min.css

font-awesome.min.css

231 ms

glyphicon.css

glyphicon.css

232 ms

ionicons.css

ionicons.css

234 ms

Linearicons.css

Linearicons.css

237 ms

materialdesignicons.css

materialdesignicons.css

254 ms

Pe-icon-7.css

Pe-icon-7.css

235 ms

simple-line-icons.css

simple-line-icons.css

255 ms

themify.css

themify.css

241 ms

typicons.css

typicons.css

255 ms

weathericons.css

weathericons.css

208 ms

feather.css

feather.css

207 ms

accor.js

accor.js

375 ms

css

css

44 ms

gallery.js

gallery.js

349 ms

gallery-1.js

gallery-1.js

348 ms

jquery.bootstrap.newsbox.js

jquery.bootstrap.newsbox.js

349 ms

vertical-scroll.js

vertical-scroll.js

343 ms

home.min.js

home.min.js

336 ms

f-icon-sprite.png

f-icon-sprite.png

156 ms

user.png

user.png

408 ms

logo.png

logo.png

308 ms

user.png

user.png

129 ms

logo1.png

logo1.png

309 ms

home-slider1.jpg

home-slider1.jpg

309 ms

home-slider2.jpg

home-slider2.jpg

309 ms

home-slider3.jpg

home-slider3.jpg

310 ms

home-slider4.jpg

home-slider4.jpg

311 ms

6107fa344f8d01627912756.redhat.jpg

6107fa344f8d01627912756.redhat.jpg

381 ms

6107f8b3c73a01627912371.Azure.jpg

6107f8b3c73a01627912371.Azure.jpg

382 ms

6107f758c09311627912024.aws.jpg

6107f758c09311627912024.aws.jpg

382 ms

6107f7c9f360d1627912137.gcp.jpg

6107f7c9f360d1627912137.gcp.jpg

380 ms

6107fac30ffc01627912899.cisco.jpg

6107fac30ffc01627912899.cisco.jpg

380 ms

6107febcd59dc1627913916.pmi.jpg

6107febcd59dc1627913916.pmi.jpg

381 ms

6544e5211af171699013921.ec_concil_logo.jpg

6544e5211af171699013921.ec_concil_logo.jpg

384 ms

65fa7073588dc1710911603.sap.jpg

65fa7073588dc1710911603.sap.jpg

385 ms

65fa709c2dc091710911644.salesforce.jpg

65fa709c2dc091710911644.salesforce.jpg

383 ms

65fa70d87ce171710911704.Job-Oriented-Course.jpg

65fa70d87ce171710911704.Job-Oriented-Course.jpg

382 ms

65fa71151a8781710911765.Job-Oriented-Course.jpg

65fa71151a8781710911765.Job-Oriented-Course.jpg

383 ms

65fa71367e9dc1710911798.Job-Oriented-Course.jpg

65fa71367e9dc1710911798.Job-Oriented-Course.jpg

385 ms

65fa71f095b2b1710911984.Job-Oriented-Course.jpg

65fa71f095b2b1710911984.Job-Oriented-Course.jpg

386 ms

0-1.jpg

0-1.jpg

386 ms

0-2.jpg

0-2.jpg

386 ms

0-3.jpg

0-3.jpg

386 ms

exams.webp

exams.webp

435 ms

24.jpg

24.jpg

387 ms

George.jpg

George.jpg

387 ms

Linda.jpg

Linda.jpg

389 ms

es.png

es.png

388 ms

aaron.jpg

aaron.jpg

387 ms

font

font

309 ms

malik.jpg

malik.jpg

388 ms

feather-webfont.woff

feather-webfont.woff

312 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

356 ms

typicons.woff

typicons.woff

266 ms

emmanuel.jpg

emmanuel.jpg

265 ms

611021bc7de7b1628447164.1.png

611021bc7de7b1628447164.1.png

266 ms

611021bc7e0071628447164.2.png

611021bc7e0071628447164.2.png

307 ms

611021bc7e0cd1628447164.3.png

611021bc7e0cd1628447164.3.png

126 ms

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611021bc7e1871628447164.4.png

127 ms

611021bc7e2351628447164.5.png

611021bc7e2351628447164.5.png

127 ms

611021bc7e2d81628447164.6.png

611021bc7e2d81628447164.6.png

127 ms

611021bc7e37e1628447164.7.png

611021bc7e37e1628447164.7.png

127 ms

611021bc7e42e1628447164.8.png

611021bc7e42e1628447164.8.png

127 ms

611021bc7e9cb1628447164.1.png

611021bc7e9cb1628447164.1.png

127 ms

611021bc7eaca1628447164.2.png

611021bc7eaca1628447164.2.png

59 ms

611021bc7eb851628447164.3.png

611021bc7eb851628447164.3.png

57 ms

611021bc7ec3a1628447164.4.png

611021bc7ec3a1628447164.4.png

57 ms

611021bc7ecdf1628447164.5.png

611021bc7ecdf1628447164.5.png

58 ms

611021bc7edc21628447164.6.png

611021bc7edc21628447164.6.png

58 ms

611021bc7ee721628447164.7.png

611021bc7ee721628447164.7.png

58 ms

611021bc7ef111628447164.8.png

611021bc7ef111628447164.8.png

58 ms

cursor.png

cursor.png

56 ms

Accessibility Review

certificationscenter.com accessibility score

79

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

certificationscenter.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

certificationscenter.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certificationscenter.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 Certificationscenter.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.

Social Sharing Optimization

certificationscenter.com

Open Graph data is detected on the main page of Certification S Center. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: