Tools & Wizards About Us
emailcrawlr.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

emailcrawlr.com

EmailCrawlr - JSON API to Find & Verify Email Addresses for a Domain

Page Load Speed

486 ms in total

First Response

53 ms

Resources Loaded

384 ms

Page Rendered

49 ms

emailcrawlr.com screenshot

About Website

Welcome to emailcrawlr.com homepage info - get ready to check Email Crawlr best content right away, or after learning these important things about emailcrawlr.com

Domain Lookup. Look up a domain name and get back information such as email addresses, people, job titles, phone numbers, addresses and more...

Visit emailcrawlr.com

Key Findings

We analyzed Emailcrawlr.com page load time and found that the first response time was 53 ms and then it took 433 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

emailcrawlr.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

Network Requests Diagram

emailcrawlr.com

53 ms

emailcrawlr.com

56 ms

css

41 ms

js

98 ms

2.e730c243.chunk.css

36 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 64% of them (7 requests) were addressed to the original Emailcrawlr.com, 9% (1 request) were made to Fonts.googleapis.com and 9% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (223 ms) relates to the external source Cdn.heapanalytics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 kB (53%)

Content Size

2.4 kB

After Optimization

1.1 kB

  • HTML

In fact, the total size of Emailcrawlr.com main page is 2.4 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. 65% of websites need less resources to load. HTML takes 2.4 kB which makes up the majority of the site volume.

HTML Optimization

-53%

Potential reduce by 1.2 kB

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 1.1 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 1.2 kB or 53% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (56%)

Requests Now

9

After Optimization

4

  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Email Crawlr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

emailcrawlr.com

emailcrawlr.com

53 ms

emailcrawlr.com

emailcrawlr.com

56 ms

css

css

41 ms

js

js

98 ms

2.e730c243.chunk.css

2.e730c243.chunk.css

36 ms

main.6b222460.chunk.css

main.6b222460.chunk.css

54 ms

33 ms

runtime-main.bd1dd687.js

runtime-main.bd1dd687.js

50 ms

2.4a09688b.chunk.js

2.4a09688b.chunk.js

121 ms

main.23a21eb9.chunk.js

main.23a21eb9.chunk.js

96 ms

heap-4063266062.js

heap-4063266062.js

223 ms

Accessibility Review

emailcrawlr.com accessibility score

86

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 input fields do not have accessible names

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

Form elements do not have associated labels

Best Practices

emailcrawlr.com best practices score

92

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

Page has valid source maps

SEO Factors

emailcrawlr.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

robots.txt is not valid

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 Emailcrawlr.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 Emailcrawlr.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

emailcrawlr.com

Open Graph description is not detected on the main page of Email Crawlr. 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: