Tools & Wizards About Us
blackjacksmetaldetectors.com screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

blackjacksmetaldetectors.com

Black Jacks Metal Detectors Mining Equipment, Low Pressure Dive & Rock Shop

Page Load Speed

4.3 sec in total

First Response

1.2 sec

Resources Loaded

3 sec

Page Rendered

104 ms

blackjacksmetaldetectors.com screenshot

About Website

Click here to check amazing Black Jacks Metal Detectors content. Otherwise, check out these important facts you probably never knew about blackjacksmetaldetectors.com

Black Jacks Metal Detectors, Mining Equipment, Low Pressure Dive & Rock Shop. Gems Crystals Geodes ond more. Vintage of Jewelry.

Visit blackjacksmetaldetectors.com

Key Findings

We analyzed Blackjacksmetaldetectors.com page load time and found that the first response time was 1.2 sec and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

blackjacksmetaldetectors.com performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

54/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value4,110 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

www.blackjacksmetaldetectors.com

1187 ms

minified.js

50 ms

focus-within-polyfill.js

48 ms

polyfill.min.js

143 ms

thunderbolt-commons.ec68bee9.bundle.min.js

33 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Blackjacksmetaldetectors.com, 31% (25 requests) were made to Static.wixstatic.com and 28% (22 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 703.0 kB (50%)

Content Size

1.4 MB

After Optimization

715.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Blackjacksmetaldetectors.com main page is 1.4 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. 65% of websites need less resources to load. HTML takes 501.6 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 373.1 kB

  • Original 501.6 kB
  • After minification 500.1 kB
  • After compression 128.6 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 373.1 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 272 B

  • Original 151.6 kB
  • After minification 151.3 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. Black Jacks Metal Detectors images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 13.3 kB

  • Original 390.7 kB
  • After minification 390.7 kB
  • After compression 377.4 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

-84%

Potential reduce by 316.3 kB

  • Original 374.8 kB
  • After minification 374.1 kB
  • After compression 58.5 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. Blackjacksmetaldetectors.com needs all CSS files to be minified and compressed as it can save up to 316.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

49

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Black Jacks Metal Detectors. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.blackjacksmetaldetectors.com

www.blackjacksmetaldetectors.com

1187 ms

minified.js

minified.js

50 ms

focus-within-polyfill.js

focus-within-polyfill.js

48 ms

polyfill.min.js

polyfill.min.js

143 ms

thunderbolt-commons.ec68bee9.bundle.min.js

thunderbolt-commons.ec68bee9.bundle.min.js

33 ms

main.f286c407.bundle.min.js

main.f286c407.bundle.min.js

99 ms

lodash.min.js

lodash.min.js

99 ms

react.production.min.js

react.production.min.js

96 ms

react-dom.production.min.js

react-dom.production.min.js

101 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

98 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

99 ms

1b991e6d28e128e9e185baa7eb8bfc98.wix_mp

1b991e6d28e128e9e185baa7eb8bfc98.wix_mp

300 ms

_Ev04gqBLqM

_Ev04gqBLqM

296 ms

oz3LIz3LSkE

oz3LIz3LSkE

963 ms

bundle.min.js

bundle.min.js

217 ms

05ca28_df55e350c3e6355e683f8ff69435fd96.jpg

05ca28_df55e350c3e6355e683f8ff69435fd96.jpg

304 ms

05ca28_92f0fc7c448a42db80f6f762e3de0dce~mv2.gif

05ca28_92f0fc7c448a42db80f6f762e3de0dce~mv2.gif

128 ms

05ca28_2955bfb5807d465c87f52f9896ed679f~mv2.png

05ca28_2955bfb5807d465c87f52f9896ed679f~mv2.png

299 ms

05ca28_4b6f842443fa4b528263eb5d52dabda0.jpg

05ca28_4b6f842443fa4b528263eb5d52dabda0.jpg

818 ms

05ca28_efcf15ff356238e670b4f9b28b7a7bd4.jpg

05ca28_efcf15ff356238e670b4f9b28b7a7bd4.jpg

320 ms

05ca28_d6adcd3ed2c343369136e26bf0538e5a~mv2.jpg

05ca28_d6adcd3ed2c343369136e26bf0538e5a~mv2.jpg

916 ms

Nokta%20Makro%20Logo.jpg

Nokta%20Makro%20Logo.jpg

919 ms

05ca28_d8dbb78ef59347219f1b597f8f8d42d5.gif

05ca28_d8dbb78ef59347219f1b597f8f8d42d5.gif

918 ms

dreamstime_xs_6859961_edited.jpg

dreamstime_xs_6859961_edited.jpg

919 ms

05ca28_2955bfb5807d465c87f52f9896ed679f~mv2.png

05ca28_2955bfb5807d465c87f52f9896ed679f~mv2.png

916 ms

05ca28_b0dd4c6804c44e58849707943b30838b~mv2.jpg

05ca28_b0dd4c6804c44e58849707943b30838b~mv2.jpg

1014 ms

05ca28_b74926a94d9c4771bee05175c3ee9276~mv2.jpg

05ca28_b74926a94d9c4771bee05175c3ee9276~mv2.jpg

1015 ms

05ca28_1f9d112f1605412b98e9cadacc551646~mv2.jpg

05ca28_1f9d112f1605412b98e9cadacc551646~mv2.jpg

920 ms

05ca28_2fbea074d97c43c0b5743ab2f703dd81~mv2.jpg

05ca28_2fbea074d97c43c0b5743ab2f703dd81~mv2.jpg

918 ms

05ca28_c0aea464850f413fbd836c211de6af37~mv2.jpg

05ca28_c0aea464850f413fbd836c211de6af37~mv2.jpg

1014 ms

05ca28_717b295e679b4c94bb985c14deeec001~mv2.jpg

05ca28_717b295e679b4c94bb985c14deeec001~mv2.jpg

1014 ms

05ca28_1c966119aa0141ada9ea39a3ad7339f6~mv2.jpg

05ca28_1c966119aa0141ada9ea39a3ad7339f6~mv2.jpg

1014 ms

05ca28_f933597b25984b0f9b20f0062b3d1c44~mv2.jpg

05ca28_f933597b25984b0f9b20f0062b3d1c44~mv2.jpg

1032 ms

05ca28_73fb4bd75ef9451dbbed916c8d56a7d3~mv2.jpg

05ca28_73fb4bd75ef9451dbbed916c8d56a7d3~mv2.jpg

1379 ms

05ca28_54567be2b4804ccdff73f268e22a3608.jpg

05ca28_54567be2b4804ccdff73f268e22a3608.jpg

1380 ms

05ca28_51edf6bd039b4f84906da98d8065f045.jpg

05ca28_51edf6bd039b4f84906da98d8065f045.jpg

1380 ms

05ca28_5cfaa34a37cbcce2f013dc1b76850320.jpg

05ca28_5cfaa34a37cbcce2f013dc1b76850320.jpg

1381 ms

05ca28_229392ab11669102add372d727eec525.jpg

05ca28_229392ab11669102add372d727eec525.jpg

1379 ms

05ca28_7ec060500c96a5cb40af0711876e23cc.jpg

05ca28_7ec060500c96a5cb40af0711876e23cc.jpg

1379 ms

4d9bc879-ab51-45da-bf37-c9710cd1cc32.woff

4d9bc879-ab51-45da-bf37-c9710cd1cc32.woff

29 ms

a9eddc47-990d-47a3-be4e-c8cdec0090c6.woff

a9eddc47-990d-47a3-be4e-c8cdec0090c6.woff

29 ms

4cefdf47-0136-4169-9933-3225dbbec9d9.woff

4cefdf47-0136-4169-9933-3225dbbec9d9.woff

29 ms

eb1185bb-8f9d-4855-83fa-d06f0efef677.woff

eb1185bb-8f9d-4855-83fa-d06f0efef677.woff

61 ms

1c7b5ef1-5b09-4473-8003-a974846653a7.woff

1c7b5ef1-5b09-4473-8003-a974846653a7.woff

27 ms

c6f5bcd6-66fc-44af-be95-bb1f2b38d080.woff

c6f5bcd6-66fc-44af-be95-bb1f2b38d080.woff

16 ms

41280d6d-9240-4d82-9e98-3ea1a1913501.woff

41280d6d-9240-4d82-9e98-3ea1a1913501.woff

60 ms

c5749443-93da-4592-b794-42f28d62ef72.woff

c5749443-93da-4592-b794-42f28d62ef72.woff

60 ms

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

59 ms

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

59 ms

www-player.css

www-player.css

18 ms

www-embed-player.js

www-embed-player.js

44 ms

base.js

base.js

100 ms

69 ms

83 ms

82 ms

82 ms

84 ms

85 ms

678 ms

682 ms

679 ms

681 ms

678 ms

681 ms

ad_status.js

ad_status.js

441 ms

W2saUlCHPrwfSQolgK98GwwZfS-SgvEgijguMBUFd3Y.js

W2saUlCHPrwfSQolgK98GwwZfS-SgvEgijguMBUFd3Y.js

384 ms

embed.js

embed.js

255 ms

id

id

15 ms

Create

Create

307 ms

Create

Create

348 ms

generate_204

generate_204

172 ms

generate_204

generate_204

44 ms

qoe

qoe

25 ms

log_event

log_event

1 ms

qoe

qoe

18 ms

log_event

log_event

1 ms

deprecation-en.v5.html

deprecation-en.v5.html

14 ms

bolt-performance

bolt-performance

41 ms

deprecation-style.v5.css

deprecation-style.v5.css

15 ms

right-arrow.svg

right-arrow.svg

12 ms

Accessibility Review

blackjacksmetaldetectors.com accessibility score

89

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

blackjacksmetaldetectors.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

blackjacksmetaldetectors.com SEO score

90

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

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 Blackjacksmetaldetectors.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 Blackjacksmetaldetectors.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

blackjacksmetaldetectors.com

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