Tools & Wizards About Us
mailcheck.co screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

mailcheck.co

Online email verification tool. Bulk check and cleaning | Mailcheck

Page Load Speed

2.6 sec in total

First Response

47 ms

Resources Loaded

726 ms

Page Rendered

1.8 sec

mailcheck.co screenshot

About Website

Welcome to mailcheck.co homepage info - get ready to check Mailcheck best content for India right away, or after learning these important things about mailcheck.co

Mailcheck is an easy-to-use, fast, and efficient email validation tool with an API integration feature for on-the-go validation.

Visit mailcheck.co

Key Findings

We analyzed Mailcheck.co page load time and found that the first response time was 47 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

mailcheck.co performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

mailcheck.co

47 ms

mailcheck.co

74 ms

__layout-b6c95ae0.css

40 ms

index-f731ca3d.css

34 ms

index-fd543b17.css

57 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 90% of them (38 requests) were addressed to the original Mailcheck.co, 5% (2 requests) were made to I.ytimg.com and 2% (1 request) were made to App.posthog.com. The less responsive or slowest element that took the longest time to load (519 ms) relates to the external source I.ytimg.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 40.1 kB (8%)

Content Size

502.3 kB

After Optimization

462.2 kB

  • HTML
  • Images

In fact, the total size of Mailcheck.co main page is 502.3 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. Images take 450.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 40.1 kB

  • Original 52.2 kB
  • After minification 52.2 kB
  • After compression 12.1 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 40.1 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 450.1 kB
  • After minification 450.1 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. Mailcheck images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 12 (31%)

Requests Now

39

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mailcheck. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mailcheck.co

mailcheck.co

47 ms

mailcheck.co

mailcheck.co

74 ms

__layout-b6c95ae0.css

__layout-b6c95ae0.css

40 ms

index-f731ca3d.css

index-f731ca3d.css

34 ms

index-fd543b17.css

index-fd543b17.css

57 ms

video-0f69de2a.css

video-0f69de2a.css

31 ms

refer.js

refer.js

100 ms

array.js

array.js

66 ms

gtm.js

gtm.js

177 ms

maxresdefault.jpg

maxresdefault.jpg

321 ms

maxresdefault.jpg

maxresdefault.jpg

519 ms

mailcheck-logo-3c33365f.svg

mailcheck-logo-3c33365f.svg

33 ms

lines-61e98825.svg

lines-61e98825.svg

34 ms

icon-arrow-right-bb3f536c.svg

icon-arrow-right-bb3f536c.svg

39 ms

5k-logo-89077051.svg

5k-logo-89077051.svg

14 ms

bagllet-b820814b.svg

bagllet-b820814b.svg

67 ms

acell-mail-18dcfa88.svg

acell-mail-18dcfa88.svg

37 ms

sammy-logo-90525509.svg

sammy-logo-90525509.svg

83 ms

zitkani-e2f1660f.svg

zitkani-e2f1660f.svg

67 ms

echo-logo-d2d4b12b.svg

echo-logo-d2d4b12b.svg

68 ms

arrow-slide-nav-3308bd38.svg

arrow-slide-nav-3308bd38.svg

72 ms

icon-star-rating-edeb2b9f.svg

icon-star-rating-edeb2b9f.svg

72 ms

icon-like-heart-96ac218e.svg

icon-like-heart-96ac218e.svg

79 ms

mailchimp-logo-7879690d.svg

mailchimp-logo-7879690d.svg

89 ms

zapier-official-7053ee6f.svg

zapier-official-7053ee6f.svg

99 ms

WordPress_logo-a6ea9b4c.svg

WordPress_logo-a6ea9b4c.svg

91 ms

make.com-7e0dbbb1.svg

make.com-7e0dbbb1.svg

85 ms

sendgrid-ad70bcb2.svg

sendgrid-ad70bcb2.svg

106 ms

n8n-logo-6a5dfada.svg

n8n-logo-6a5dfada.svg

113 ms

mailer-lite-416fced3.svg

mailer-lite-416fced3.svg

107 ms

woodpecker-b016e2f6.svg

woodpecker-b016e2f6.svg

127 ms

active-campaign-logo-1b4640b8.svg

active-campaign-logo-1b4640b8.svg

115 ms

city-transparent.png

city-transparent.png

111 ms

city-transparent-816bd7f5.png

city-transparent-816bd7f5.png

143 ms

icon-facebook-6641f226.svg

icon-facebook-6641f226.svg

142 ms

icon-linkedin-9aea6d2a.svg

icon-linkedin-9aea6d2a.svg

137 ms

youtube-light-b5dcee3f.svg

youtube-light-b5dcee3f.svg

139 ms

icon-twitter-2eb66cc6.svg

icon-twitter-2eb66cc6.svg

144 ms

icon-github-3257c866.svg

icon-github-3257c866.svg

172 ms

rss-39bfa870.svg

rss-39bfa870.svg

171 ms

es-logo-bc6c6792.svg

es-logo-bc6c6792.svg

167 ms

icon-money-back-8d680ca6.svg

icon-money-back-8d680ca6.svg

173 ms

Accessibility Review

mailcheck.co accessibility score

82

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

Form elements do not have associated labels

Best Practices

mailcheck.co 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

mailcheck.co SEO score

93

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

Links do not have descriptive text

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 Mailcheck.co 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 Mailcheck.co 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

mailcheck.co

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