Tools & Wizards About Us
leadclasses.com screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

leadclasses.com

EPA RRP HUD & State Lead Paint Certification Classes | Lead Classes

Page Load Speed

1.6 sec in total

First Response

71 ms

Resources Loaded

689 ms

Page Rendered

854 ms

leadclasses.com screenshot

About Website

Click here to check amazing Lead Classes content. Otherwise, check out these important facts you probably never knew about leadclasses.com

At Lead Classes, we offer EPA RRP HUD & State Lead Paint certification classes in multiple US cities. Get lead paint certified quickly & easily. Learn more.

Visit leadclasses.com

Key Findings

We analyzed Leadclasses.com page load time and found that the first response time was 71 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

leadclasses.com performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value1,940 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

leadclasses.com

71 ms

www.leadclasses.com

78 ms

www.leadclasses.com

120 ms

tcb-base-css-45215-1716143738.css

27 ms

jquery.bxslider.css

33 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 77% of them (53 requests) were addressed to the original Leadclasses.com, 6% (4 requests) were made to Fonts.googleapis.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (194 ms) belongs to the original domain Leadclasses.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 424.2 kB (37%)

Content Size

1.1 MB

After Optimization

712.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Leadclasses.com main page is 1.1 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. 55% of websites need less resources to load. HTML takes 478.1 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 421.2 kB

  • Original 478.1 kB
  • After minification 476.3 kB
  • After compression 56.9 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 421.2 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 200.6 kB
  • After minification 200.6 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. Lead Classes images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.9 kB

  • Original 422.4 kB
  • After minification 422.4 kB
  • After compression 420.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 1.1 kB

  • Original 35.5 kB
  • After minification 35.5 kB
  • After compression 34.4 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. Leadclasses.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (77%)

Requests Now

65

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lead Classes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

leadclasses.com

leadclasses.com

71 ms

www.leadclasses.com

www.leadclasses.com

78 ms

www.leadclasses.com

www.leadclasses.com

120 ms

tcb-base-css-45215-1716143738.css

tcb-base-css-45215-1716143738.css

27 ms

jquery.bxslider.css

jquery.bxslider.css

33 ms

testimonials-widget.css

testimonials-widget.css

34 ms

testimonials-widget-premium.css

testimonials-widget-premium.css

33 ms

testimonials-widget-premium-form.css

testimonials-widget-premium-form.css

37 ms

style.min.css

style.min.css

42 ms

styles.css

styles.css

45 ms

frontend.css

frontend.css

46 ms

style.css

style.css

51 ms

jquery.min.js

jquery.min.js

50 ms

jquery-migrate.min.js

jquery-migrate.min.js

48 ms

imagesloaded.min.js

imagesloaded.min.js

64 ms

masonry.min.js

masonry.min.js

63 ms

jquery.masonry.min.js

jquery.masonry.min.js

90 ms

general.min.js

general.min.js

67 ms

cc-widget.js

cc-widget.js

66 ms

frontend.min.js

frontend.min.js

68 ms

5169.js

5169.js

45 ms

js

js

185 ms

css

css

37 ms

css

css

61 ms

css

css

66 ms

css

css

65 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

62 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

52 ms

wp-polyfill.min.js

wp-polyfill.min.js

59 ms

hooks.min.js

hooks.min.js

62 ms

i18n.min.js

i18n.min.js

60 ms

index.js

index.js

67 ms

index.js

index.js

167 ms

page-scroll-to-id.min.js

page-scroll-to-id.min.js

169 ms

image-gallery-libs.min.js

image-gallery-libs.min.js

167 ms

image-gallery.min.js

image-gallery.min.js

167 ms

carousel-libs.min.js

carousel-libs.min.js

167 ms

carousel.min.js

carousel.min.js

167 ms

gtm4wp-contact-form-7-tracker.js

gtm4wp-contact-form-7-tracker.js

168 ms

gtm4wp-form-move-tracker.js

gtm4wp-form-move-tracker.js

193 ms

frontend.min.js

frontend.min.js

194 ms

jquery.placeholder.min.js

jquery.placeholder.min.js

193 ms

search-form.min.js

search-form.min.js

193 ms

divider.min.js

divider.min.js

192 ms

api.js

api.js

44 ms

menu.min.js

menu.min.js

192 ms

index.js

index.js

190 ms

helper.min.js

helper.min.js

184 ms

gtm.js

gtm.js

124 ms

bat.js

bat.js

123 ms

api.min.js

api.min.js

65 ms

Logo.png

Logo.png

38 ms

Lead-Classes.jpg

Lead-Classes.jpg

38 ms

WHO-must-get-certified.jpg

WHO-must-get-certified.jpg

37 ms

HOW-do-you-get-certified.jpg

HOW-do-you-get-certified.jpg

57 ms

WHAT-Really-Works-on-Your-Jobs.jpg

WHAT-Really-Works-on-Your-Jobs.jpg

56 ms

thehomedepot.png

thehomedepot.png

147 ms

lowes.png

lowes.png

146 ms

pella_script.png

pella_script.png

147 ms

bathplanet.png

bathplanet.png

147 ms

Sherwin_Williams.png

Sherwin_Williams.png

147 ms

servpro.png

servpro.png

146 ms

logo-lead.png

logo-lead.png

156 ms

api.min.js

api.min.js

164 ms

recaptcha__en.js

recaptcha__en.js

125 ms

211010787.js

211010787.js

98 ms

font

font

52 ms

font

font

53 ms

211010787

211010787

107 ms

Accessibility Review

leadclasses.com accessibility score

89

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

leadclasses.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Browser errors were logged to the console

SEO Factors

leadclasses.com SEO score

89

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 Leadclasses.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 Leadclasses.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

leadclasses.com

Open Graph description is not detected on the main page of Lead Classes. 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: