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check-mail.org screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

check-mail.org

Free email address validation API service, block disposable email

Page Load Speed

2.3 sec in total

First Response

243 ms

Resources Loaded

1.6 sec

Page Rendered

426 ms

check-mail.org screenshot

About Website

Click here to check amazing Check Mail content for United States. Otherwise, check out these important facts you probably never knew about check-mail.org

Check-Mail is a free API service to validate email addresses, to check if an email is valid or disposable. The API combines blacklists with advanced heuristics to let you know if you should block disp...

Visit check-mail.org

Key Findings

We analyzed Check-mail.org page load time and found that the first response time was 243 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

check-mail.org performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value950 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

Network Requests Diagram

check-mail.org

243 ms

check-mail.org

384 ms

plausible.js

59 ms

bootstrap.min.css

17 ms

style.css

30 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 56% of them (20 requests) were addressed to the original Check-mail.org, 14% (5 requests) were made to Youtube-nocookie.com and 14% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (552 ms) belongs to the original domain Check-mail.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 13.9 kB (1%)

Content Size

1.8 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Check-mail.org main page is 1.8 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. Only a small number of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 4.8 kB

  • Original 7.4 kB
  • After minification 7.4 kB
  • After compression 2.6 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 4.8 kB or 65% of the original size.

Image Optimization

-0%

Potential reduce by 6.2 kB

  • Original 1.5 MB
  • After minification 1.5 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. Check Mail images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.9 kB

  • Original 225.8 kB
  • After minification 225.8 kB
  • After compression 222.9 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

-0%

Potential reduce by 102 B

  • Original 106.6 kB
  • After minification 106.6 kB
  • After compression 106.5 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. Check-mail.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (75%)

Requests Now

28

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Check Mail. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

check-mail.org

check-mail.org

243 ms

check-mail.org

check-mail.org

384 ms

plausible.js

plausible.js

59 ms

bootstrap.min.css

bootstrap.min.css

17 ms

style.css

style.css

30 ms

animate.css

animate.css

33 ms

pe-icon-7-stroke.css

pe-icon-7-stroke.css

28 ms

style-magnific-popup.css

style-magnific-popup.css

29 ms

all.min.css

all.min.css

39 ms

css

css

79 ms

css

css

128 ms

check-mail.css

check-mail.css

34 ms

LE2LWRjZglI

LE2LWRjZglI

91 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

43 ms

bootstrap.min.js

bootstrap.min.js

42 ms

jquery.scrollTo-min.js

jquery.scrollTo-min.js

43 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

35 ms

jquery.nav.js

jquery.nav.js

43 ms

wow.js

wow.js

50 ms

plugins.js

plugins.js

50 ms

check-mail.js

check-mail.js

45 ms

check-mail-people.png

check-mail-people.png

47 ms

www-player.css

www-player.css

9 ms

www-embed-player.js

www-embed-player.js

85 ms

base.js

base.js

124 ms

homebackground.jpg

homebackground.jpg

240 ms

u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkbqDH7alwg.ttf

u-4X0qWljRw-PfU81xCKCpdpbgZJl6XFpfEd7eA9BIxxkbqDH7alwg.ttf

118 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVvaorCIPrQ.ttf

153 ms

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

1Ptxg8zYS_SKggPN4iEgvnHyvveLxVs9pbCIPrQ.ttf

164 ms

Pe-icon-7-stroke.woff

Pe-icon-7-stroke.woff

552 ms

s9i9Iyk4Y_s1LD6aqz2X9kjqPppJUVpoTsMZDucYENo.js

s9i9Iyk4Y_s1LD6aqz2X9kjqPppJUVpoTsMZDucYENo.js

111 ms

embed.js

embed.js

26 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

44 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

47 ms

Create

Create

152 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

check-mail.org accessibility score

93

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

check-mail.org best practices score

83

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

Page has valid source maps

SEO Factors

check-mail.org SEO score

96

Search Engine Optimization Advices

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 Check-mail.org 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 Check-mail.org 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

check-mail.org

Open Graph description is not detected on the main page of Check Mail. 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: