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certifi.co.nz screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

certifi.co.nz

Electrical Compliance App for Electricians | CERTIFi NZ

Page Load Speed

9.4 sec in total

First Response

1.6 sec

Resources Loaded

7.5 sec

Page Rendered

276 ms

certifi.co.nz screenshot

About Website

Welcome to certifi.co.nz homepage info - get ready to check CERTIFi best content right away, or after learning these important things about certifi.co.nz

Create, manage and send electrical certificates of compliance, safety certificates & records of inspection. Available as Web, iOS & Android - 30-Day Free Trial!

Visit certifi.co.nz

Key Findings

We analyzed Certifi.co.nz page load time and found that the first response time was 1.6 sec and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

certifi.co.nz performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.1 s

1/100

10%

LCP (Largest Contentful Paint)

Value22.3 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value2,440 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.41

24/100

15%

TTI (Time to Interactive)

Value26.1 s

0/100

10%

Network Requests Diagram

www.certifi.co.nz

1645 ms

google-open-sans.min.css

220 ms

normalize.css

438 ms

font-face.css

643 ms

font-awesome.css

648 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 80% of them (61 requests) were addressed to the original Certifi.co.nz, 7% (5 requests) were made to Youtube.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Certifi.co.nz.

Page Optimization Overview & Recommendations

Page size can be reduced by 403.7 kB (32%)

Content Size

1.3 MB

After Optimization

867.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certifi.co.nz main page is 1.3 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. 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. Javascripts take 576.0 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 117.2 kB

  • Original 130.1 kB
  • After minification 87.7 kB
  • After compression 13.0 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 42.5 kB, which is 33% 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 117.2 kB or 90% of the original size.

Image Optimization

-0%

Potential reduce by 976 B

  • Original 422.4 kB
  • After minification 421.4 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. CERTIFi images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 265.4 kB

  • Original 576.0 kB
  • After minification 576.0 kB
  • After compression 310.6 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 265.4 kB or 46% of the original size.

CSS Optimization

-14%

Potential reduce by 20.2 kB

  • Original 143.2 kB
  • After minification 141.1 kB
  • After compression 122.9 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. Certifi.co.nz needs all CSS files to be minified and compressed as it can save up to 20.2 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (47%)

Requests Now

72

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERTIFi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.certifi.co.nz

www.certifi.co.nz

1645 ms

google-open-sans.min.css

google-open-sans.min.css

220 ms

normalize.css

normalize.css

438 ms

font-face.css

font-face.css

643 ms

font-awesome.css

font-awesome.css

648 ms

flexslider.css

flexslider.css

648 ms

bootstrap.css

bootstrap.css

868 ms

video-js.css

video-js.css

651 ms

style.css

style.css

655 ms

responsive.css

responsive.css

861 ms

style.min.css

style.min.css

905 ms

jquery.js

jquery.js

1092 ms

jquery-migrate.min.js

jquery-migrate.min.js

905 ms

gtm4wp-form-move-tracker.js

gtm4wp-form-move-tracker.js

905 ms

gtm4wp-social-tracker.js

gtm4wp-social-tracker.js

1079 ms

jquery-2.1.1.js

jquery-2.1.1.js

1341 ms

modernizr.js

modernizr.js

1086 ms

jquery.flexslider.js

jquery.flexslider.js

1195 ms

bootstrap.js

bootstrap.js

1195 ms

video.js

video.js

1606 ms

js.js

js.js

1317 ms

formreset.min.css

formreset.min.css

1339 ms

formsmain.min.css

formsmain.min.css

1340 ms

readyclass.min.css

readyclass.min.css

1339 ms

browsers.min.css

browsers.min.css

1605 ms

wp-embed.min.js

wp-embed.min.js

1609 ms

gfplaceholderaddon.js

gfplaceholderaddon.js

1609 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

708 ms

gtm.js

gtm.js

144 ms

V3-YNYRtaTw

V3-YNYRtaTw

184 ms

Logo.png

Logo.png

493 ms

Logo-scroll.png

Logo-scroll.png

755 ms

slider.jpg

slider.jpg

910 ms

nz_label.png

nz_label.png

756 ms

slider_tablet.jpg

slider_tablet.jpg

755 ms

slider_mobile.jpg

slider_mobile.jpg

756 ms

close.png

close.png

754 ms

features_icon1.png

features_icon1.png

915 ms

features_icon1_hover.png

features_icon1_hover.png

914 ms

img_desc1.png

img_desc1.png

1342 ms

features_icon2.png

features_icon2.png

917 ms

features_icon2_hover.png

features_icon2_hover.png

918 ms

features_icon3.png

features_icon3.png

1126 ms

features_icon3_hover.png

features_icon3_hover.png

1129 ms

features_icon5.png

features_icon5.png

1133 ms

features_icon5_hover.png

features_icon5_hover.png

1134 ms

features_icon7.png

features_icon7.png

1134 ms

features_icon7_hover.png

features_icon7_hover.png

1344 ms

features_icon8.png

features_icon8.png

1346 ms

features_icon8_hover.png

features_icon8_hover.png

1350 ms

sec_2_nxt.png

sec_2_nxt.png

1351 ms

signup_bg.png

signup_bg.png

1352 ms

certifi_testimonial_nicgold-1.jpg

certifi_testimonial_nicgold-1.jpg

1562 ms

certifi_testimonial_logo_millselectrical.jpg

certifi_testimonial_logo_millselectrical.jpg

1486 ms

certifi_testimonial_lorrainegold-1.jpg

certifi_testimonial_lorrainegold-1.jpg

1484 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1919 ms

www-player.css

www-player.css

6 ms

www-embed-player.js

www-embed-player.js

22 ms

base.js

base.js

65 ms

certifi_testimonial_barrywilson-1.jpg

certifi_testimonial_barrywilson-1.jpg

1349 ms

certifi_testimonial_logo_wilsonelectrics.jpg

certifi_testimonial_logo_wilsonelectrics.jpg

1350 ms

John-Scott.jpg

John-Scott.jpg

1560 ms

jbs.jpg

jbs.jpg

1542 ms

ad_status.js

ad_status.js

265 ms

sec4_signup_bg.png

sec4_signup_bg.png

1411 ms

6G8W4755DcKllowajy4Hir2nUkhKuKJIeeFduDotaQ8.js

6G8W4755DcKllowajy4Hir2nUkhKuKJIeeFduDotaQ8.js

252 ms

embed.js

embed.js

170 ms

ready_to_certify.jpg

ready_to_certify.jpg

1302 ms

footer_social_icon.png

footer_social_icon.png

1303 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

186 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

260 ms

widgets.js

widgets.js

129 ms

id

id

42 ms

Create

Create

84 ms

GenerateIT

GenerateIT

17 ms

uckzbzzo

uckzbzzo

40 ms

Accessibility Review

certifi.co.nz accessibility score

87

Accessibility Issues

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-hidden="true"] elements contain focusable descendents

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

certifi.co.nz 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

certifi.co.nz SEO score

91

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

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

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 Certifi.co.nz 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 Certifi.co.nz 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

certifi.co.nz

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