Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 58

    SEO

    Google-friendlier than
    21% 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

739 ms

Resources Loaded

799 ms

Page Rendered

51 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...

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Key Findings

We analyzed Certificationscenter.com page load time and found that the first response time was 739 ms and then it took 850 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

certificationscenter.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.1 s

96/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

www.certificationscenter.com

739 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Certificationscenter.com and no external sources were called. The less responsive or slowest element that took the longest time to load (739 ms) belongs to the original domain Certificationscenter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 835.4 kB (24%)

Content Size

3.5 MB

After Optimization

2.6 MB

In fact, the total size of Certificationscenter.com main page is 3.5 MB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-6%

Potential reduce by 3 B

  • Original 51 B
  • After minification 51 B
  • After compression 48 B

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. This web page is already compressed.

Image Optimization

-21%

Potential reduce by 612.5 kB

  • Original 2.9 MB
  • After minification 2.3 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. Obviously, Certification S Center needs image optimization as it can save up to 612.5 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-39%

Potential reduce by 107.0 kB

  • Original 272.7 kB
  • After minification 272.3 kB
  • After compression 165.7 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 107.0 kB or 39% of the original size.

CSS Optimization

-38%

Potential reduce by 115.9 kB

  • Original 306.9 kB
  • After minification 306.9 kB
  • After compression 191.0 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 needs all CSS files to be minified and compressed as it can save up to 115.9 kB or 38% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

certificationscenter.com accessibility score

68

Accessibility Issues

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

Document doesn't have a <title> element

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

certificationscenter.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

certificationscenter.com SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a <title> element

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • 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 neither this language nor any other was claimed in <html> or <meta> tags. 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

Open Graph description is not detected on the main page of Certification S Center. 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: