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m.certipedia.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

m.certipedia.com

Certipedia - Certificate Database from TÜV Rheinland

Page Load Speed

22.9 sec in total

First Response

1.3 sec

Resources Loaded

21.2 sec

Page Rendered

291 ms

m.certipedia.com screenshot

About Website

Visit m.certipedia.com now to see the best up-to-date M Certipedia content for China and also check out these interesting facts you probably never knew about m.certipedia.com

Certipedia is the online certificate database from TÜV Rheinland for certified and tested products, systems and people.

Visit m.certipedia.com

Key Findings

We analyzed M.certipedia.com page load time and found that the first response time was 1.3 sec and then it took 21.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

m.certipedia.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value52.4 s

0/100

10%

Network Requests Diagram

www.certipedia.com

1315 ms

style.css

1882 ms

public_area.css

856 ms

tuv-logo.svg

860 ms

tuv-search-icon.svg

647 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that all of those requests were addressed to M.certipedia.com and no external sources were called. The less responsive or slowest element that took the longest time to load (17.3 sec) relates to the external source Certipedia.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.8 kB (34%)

Content Size

334.6 kB

After Optimization

220.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of M.certipedia.com main page is 334.6 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. CSS take 132.3 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 45.3 kB

  • Original 54.9 kB
  • After minification 45.7 kB
  • After compression 9.5 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 9.1 kB, which is 17% 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 45.3 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 88.5 kB
  • After minification 88.5 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. M Certipedia images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 33.9 kB

  • Original 58.9 kB
  • After minification 58.9 kB
  • After compression 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 33.9 kB or 58% of the original size.

CSS Optimization

-26%

Potential reduce by 34.6 kB

  • Original 132.3 kB
  • After minification 132.3 kB
  • After compression 97.7 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. M.certipedia.com needs all CSS files to be minified and compressed as it can save up to 34.6 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (19%)

Requests Now

27

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of M Certipedia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

www.certipedia.com

www.certipedia.com

1315 ms

style.css

style.css

1882 ms

public_area.css

public_area.css

856 ms

tuv-logo.svg

tuv-logo.svg

860 ms

tuv-search-icon.svg

tuv-search-icon.svg

647 ms

tuv-nav-toggle-icon.svg

tuv-nav-toggle-icon.svg

685 ms

stagewave-01.svg

stagewave-01.svg

684 ms

tuv-print-icon.svg

tuv-print-icon.svg

864 ms

tuv-share-icon.svg

tuv-share-icon.svg

917 ms

tuv-contact-mail-icon.svg

tuv-contact-mail-icon.svg

916 ms

tuv-check-icon.svg

tuv-check-icon.svg

1095 ms

js.js

js.js

17273 ms

public_area.js

public_area.js

1521 ms

whatsapp-icon.svg

whatsapp-icon.svg

1149 ms

twitter-icon.svg

twitter-icon.svg

1146 ms

xing-icon.svg

xing-icon.svg

1307 ms

facebook-icon.svg

facebook-icon.svg

1376 ms

pinterest-icon.svg

pinterest-icon.svg

1378 ms

linkedin-icon.svg

linkedin-icon.svg

1521 ms

22_Systemzertifikate_300%20x%20200.jpg

22_Systemzertifikate_300%20x%20200.jpg

1834 ms

33_Personenzertifikate_300%20x%20200.jpg

33_Personenzertifikate_300%20x%20200.jpg

1609 ms

44_FS%20Zertifikate_300%20x%20200.jpg

44_FS%20Zertifikate_300%20x%20200.jpg

1740 ms

55_Unternehmenszertifikate_300%20x%20200.jpg

55_Unternehmenszertifikate_300%20x%20200.jpg

1740 ms

tuv-location-finder-icon.svg

tuv-location-finder-icon.svg

1839 ms

tuv-call-icon.svg

tuv-call-icon.svg

1988 ms

66_Kontakt_400%20x%20300.jpg

66_Kontakt_400%20x%20300.jpg

421 ms

34799647-aca8-402d-a341-220207b91cbf.woff

34799647-aca8-402d-a341-220207b91cbf.woff

219 ms

34799647-aca8-402d-a341-220207b91cbf.woff

34799647-aca8-402d-a341-220207b91cbf.woff

249 ms

roboto-v19-latin-regular.woff

roboto-v19-latin-regular.woff

231 ms

roboto-v19-latin-regular.woff

roboto-v19-latin-regular.woff

239 ms

roboto-v19-latin-100.woff

roboto-v19-latin-100.woff

435 ms

roboto-v19-latin-100.woff

roboto-v19-latin-100.woff

476 ms

roboto-v19-latin-700.woff

roboto-v19-latin-700.woff

455 ms

roboto-v19-latin-700.woff

roboto-v19-latin-700.woff

491 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1603 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

666 ms

roboto-v19-latin-regular.ttf

roboto-v19-latin-regular.ttf

439 ms

8186c8c1-cfdb-4c3e-b38e-6c2fd28486b5.ttf

8186c8c1-cfdb-4c3e-b38e-6c2fd28486b5.ttf

466 ms

roboto-v19-latin-100.ttf

roboto-v19-latin-100.ttf

263 ms

roboto-v19-latin-700.ttf

roboto-v19-latin-700.ttf

404 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

237 ms

roboto-v19-latin-regular.svg

roboto-v19-latin-regular.svg

273 ms

d7d2f6ed-1dde-4178-9353-bdd0821e77cb.svg

d7d2f6ed-1dde-4178-9353-bdd0821e77cb.svg

262 ms

roboto-v19-latin-100.svg

roboto-v19-latin-100.svg

385 ms

roboto-v19-latin-700.svg

roboto-v19-latin-700.svg

232 ms

fontawesome-webfont.svg

fontawesome-webfont.svg

292 ms

us.svg

us.svg

218 ms

public_area_print.css

public_area_print.css

217 ms

Accessibility Review

m.certipedia.com accessibility score

70

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

m.certipedia.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

m.certipedia.com SEO score

85

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

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 M.certipedia.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 M.certipedia.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

m.certipedia.com

Open Graph description is not detected on the main page of M Certipedia. 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: