Tools & Wizards About Us
numlookup.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

numlookup.com

Reverse Phone Lookup

Page Load Speed

1.8 sec in total

First Response

87 ms

Resources Loaded

1.3 sec

Page Rendered

485 ms

numlookup.com screenshot

About Website

Visit numlookup.com now to see the best up-to-date Num Lookup content for United States and also check out these interesting facts you probably never knew about numlookup.com

Perform a free reverse phone lookup. Find full name, address, social media and more using a phone number. #1 Phone Number Lookup for US. Find out who called for free.

Visit numlookup.com

Key Findings

We analyzed Numlookup.com page load time and found that the first response time was 87 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

numlookup.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value2,120 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

numlookup.com

87 ms

www.numlookup.com

145 ms

gpt.js

84 ms

js

146 ms

us.png

417 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Numlookup.com, 46% (13 requests) were made to Numlookup-3744.kxcdn.com and 18% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Numlookup-3744.kxcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 525.8 kB (41%)

Content Size

1.3 MB

After Optimization

765.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Numlookup.com 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. 45% of websites need less resources to load. HTML takes 607.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 521.1 kB

  • Original 607.9 kB
  • After minification 598.8 kB
  • After compression 86.8 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 521.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 102 B

  • Original 242.2 kB
  • After minification 242.1 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. Num Lookup images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 4.6 kB

  • Original 380.9 kB
  • After minification 380.9 kB
  • After compression 376.3 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 0 B

  • Original 60.2 kB
  • After minification 60.2 kB
  • After compression 60.2 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. Numlookup.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (31%)

Requests Now

26

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Num Lookup. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

numlookup.com

numlookup.com

87 ms

www.numlookup.com

www.numlookup.com

145 ms

gpt.js

gpt.js

84 ms

js

js

146 ms

us.png

us.png

417 ms

SatlTTfX8YY

SatlTTfX8YY

120 ms

app.min.js

app.min.js

116 ms

home_1_1.jpeg

home_1_1.jpeg

854 ms

home_2.jpeg

home_2.jpeg

1024 ms

home_3.jpeg

home_3.jpeg

1020 ms

home_4.jpeg

home_4.jpeg

1024 ms

home_5.jpeg

home_5.jpeg

1019 ms

oc-person-3.svg

oc-person-3.svg

898 ms

social-facebook.png

social-facebook.png

900 ms

social-instagram.png

social-instagram.png

1021 ms

social-twitter.png

social-twitter.png

1022 ms

social-linkedin.png

social-linkedin.png

1023 ms

social-youtube.png

social-youtube.png

1023 ms

social-tiktok.png

social-tiktok.png

1024 ms

pubads_impl.js

pubads_impl.js

20 ms

www-player.css

www-player.css

200 ms

www-embed-player.js

www-embed-player.js

243 ms

base.js

base.js

305 ms

container.html

container.html

109 ms

ad_status.js

ad_status.js

247 ms

xEliz_0sZUah_gfAnMRXc0Yu_MUwi0vsKT9MHnkXzl8.js

xEliz_0sZUah_gfAnMRXc0Yu_MUwi0vsKT9MHnkXzl8.js

162 ms

embed.js

embed.js

59 ms

id

id

108 ms

Accessibility Review

numlookup.com accessibility score

90

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

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

Best Practices

numlookup.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

High

Page has valid source maps

SEO Factors

numlookup.com SEO score

100

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

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 Numlookup.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 Numlookup.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

numlookup.com

Open Graph description is not detected on the main page of Num Lookup. 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: