Tools & Wizards About Us
doctorsonar.com screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

doctorsonar.com

Sonar and Lowrance Education, DVDs and More | Doctor Sonar

Page Load Speed

1.3 sec in total

First Response

99 ms

Resources Loaded

1 sec

Page Rendered

177 ms

doctorsonar.com screenshot

About Website

Click here to check amazing Doctor Sonar content for United States. Otherwise, check out these important facts you probably never knew about doctorsonar.com

Learn your lowrance, understand sonar, utilize mapping to your advantage and learn how to catch more fish.

Visit doctorsonar.com

Key Findings

We analyzed Doctorsonar.com page load time and found that the first response time was 99 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

doctorsonar.com performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

Network Requests Diagram

doctorsonar.com

99 ms

css

54 ms

jquery-1-3-1.js

30 ms

jquery-ui-1-7-1.js

39 ms

jquery-theme-1-0.js

70 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 69% of them (36 requests) were addressed to the original Doctorsonar.com, 8% (4 requests) were made to Cdn.shopify.com and 8% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (731 ms) belongs to the original domain Doctorsonar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 56.9 kB (14%)

Content Size

398.2 kB

After Optimization

341.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doctorsonar.com main page is 398.2 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. 45% of websites need less resources to load. Images take 177.0 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 47.1 kB

  • Original 64.8 kB
  • After minification 61.1 kB
  • After compression 17.7 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 47.1 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 9.0 kB

  • Original 177.0 kB
  • After minification 168.0 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. Doctor Sonar images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 720 B

  • Original 151.7 kB
  • After minification 151.7 kB
  • After compression 150.9 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

-2%

Potential reduce by 106 B

  • Original 4.7 kB
  • After minification 4.7 kB
  • After compression 4.6 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. Doctorsonar.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (43%)

Requests Now

47

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doctor Sonar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

doctorsonar.com

doctorsonar.com

99 ms

css

css

54 ms

jquery-1-3-1.js

jquery-1-3-1.js

30 ms

jquery-ui-1-7-1.js

jquery-ui-1-7-1.js

39 ms

jquery-theme-1-0.js

jquery-theme-1-0.js

70 ms

option_selection-86cdd286ddf3be7e25d68b9fc5965d7798a3ff6228ff79af67b3f4e41d6a34be.js

option_selection-86cdd286ddf3be7e25d68b9fc5965d7798a3ff6228ff79af67b3f4e41d6a34be.js

47 ms

hoverIntent.js

hoverIntent.js

51 ms

jquery.bgiframe.min.js

jquery.bgiframe.min.js

62 ms

superfish.js

superfish.js

61 ms

supersubs.js

supersubs.js

62 ms

layout.css

layout.css

73 ms

preloads.js

preloads.js

216 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

110 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

115 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

113 ms

adsbygoogle.js

adsbygoogle.js

439 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

135 ms

dc.js

dc.js

37 ms

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

133 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

126 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

124 ms

__utm.gif

__utm.gif

113 ms

all.js

all.js

116 ms

sonar_2pk_lg_grande.jpg

sonar_2pk_lg_grande.jpg

185 ms

head_long_54.png

head_long_54.png

111 ms

doctor_sonar_logo-ks.jpg

doctor_sonar_logo-ks.jpg

111 ms

icon_youtube_header.png

icon_youtube_header.png

111 ms

icon_twitter_header.png

icon_twitter_header.png

111 ms

icon_facebook_header.png

icon_facebook_header.png

110 ms

main_nav.png

main_nav.png

174 ms

body_yb.png

body_yb.png

163 ms

Lowrance_HDS_Keypad_DVD_Cover_compact.png

Lowrance_HDS_Keypad_DVD_Cover_compact.png

731 ms

transparent.png

transparent.png

321 ms

Elite_Chirp_DVD_Cover_compact.jpg

Elite_Chirp_DVD_Cover_compact.jpg

417 ms

Lowrance_Hook_DVD_Cover_compact.jpg

Lowrance_Hook_DVD_Cover_compact.jpg

388 ms

Gen_3_compact.jpg

Gen_3_compact.jpg

406 ms

pay_visa.png

pay_visa.png

239 ms

pay_master.png

pay_master.png

304 ms

pay_discover.png

pay_discover.png

455 ms

pay_amex.png

pay_amex.png

475 ms

pay_paypal.png

pay_paypal.png

435 ms

foot_yb.png

foot_yb.png

447 ms

mercury-logo.png

mercury-logo.png

221 ms

crestliner-logo.png

crestliner-logo.png

390 ms

bigwater-fishing.jpg

bigwater-fishing.jpg

388 ms

qFdW35GdgYR8EzR6oBLDHa3wyRf8W8eBM6XLOXLMrcGGow.ttf

qFdW35GdgYR8EzR6oBLDHa3wyRf8W8eBM6XLOXLMrcGGow.ttf

60 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

66 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs169vsUZiYA.ttf

71 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

73 ms

all.js

all.js

11 ms

48 ms

show_ads_impl.js

show_ads_impl.js

299 ms

Accessibility Review

doctorsonar.com accessibility score

74

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

doctorsonar.com best practices score

50

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

doctorsonar.com 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

Image elements do not have [alt] attributes

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 Doctorsonar.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 Doctorsonar.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

doctorsonar.com

Open Graph description is not detected on the main page of Doctor Sonar. 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: