Tools & Wizards About Us
bostonscuba.com screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bostonscuba.com

Boston SCUBA – Boston SCUBA – Retail Sales, SCUBA Classes, Dive Charters, Boston Harbor Tours & Diver Services

Page Load Speed

2.5 sec in total

First Response

155 ms

Resources Loaded

2.2 sec

Page Rendered

159 ms

bostonscuba.com screenshot

About Website

Click here to check amazing Boston SCUBA content for United States. Otherwise, check out these important facts you probably never knew about bostonscuba.com

Boston SCUBA provides retail SCUBA sales, and PADI SCUBA diving classes all year long. SCUBA diving charters and Boston Harbor tours during the summer months, and diver services in the Boston Harbor a...

Visit bostonscuba.com

Key Findings

We analyzed Bostonscuba.com page load time and found that the first response time was 155 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

bostonscuba.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

17/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.185

66/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

bostonscuba.com

155 ms

bostonscuba.com

1122 ms

style.css

191 ms

blue.css

193 ms

shortcode.css

197 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 90% of them (61 requests) were addressed to the original Bostonscuba.com, 4% (3 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Bostonscuba.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 358.3 kB (46%)

Content Size

784.2 kB

After Optimization

425.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bostonscuba.com main page is 784.2 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. 30% of websites need less resources to load. Images take 317.0 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 28.5 kB

  • Original 37.2 kB
  • After minification 34.6 kB
  • After compression 8.8 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 28.5 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 8.0 kB

  • Original 317.0 kB
  • After minification 309.0 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. Boston SCUBA images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 143.3 kB

  • Original 223.3 kB
  • After minification 206.8 kB
  • After compression 80.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 143.3 kB or 64% of the original size.

CSS Optimization

-86%

Potential reduce by 178.5 kB

  • Original 206.6 kB
  • After minification 177.1 kB
  • After compression 28.1 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. Bostonscuba.com needs all CSS files to be minified and compressed as it can save up to 178.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (60%)

Requests Now

53

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boston SCUBA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bostonscuba.com

bostonscuba.com

155 ms

bostonscuba.com

bostonscuba.com

1122 ms

style.css

style.css

191 ms

blue.css

blue.css

193 ms

shortcode.css

shortcode.css

197 ms

style.min.css

style.min.css

327 ms

classic-themes.min.css

classic-themes.min.css

198 ms

modern.css

modern.css

198 ms

jquery.min.js

jquery.min.js

357 ms

jquery-migrate.min.js

jquery-migrate.min.js

294 ms

ddsmoothmenu.js

ddsmoothmenu.js

264 ms

jquery-flexslider-min.js

jquery-flexslider-min.js

264 ms

jquery.meanmenu.2.0.min.js

jquery.meanmenu.2.0.min.js

295 ms

jquery.meanmenu.options.js

jquery.meanmenu.options.js

330 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

393 ms

jquery.validate.min.js

jquery.validate.min.js

358 ms

custom.js

custom.js

360 ms

reset.css

reset.css

205 ms

960_24_col_responsive.css

960_24_col_responsive.css

211 ms

prettyPhoto.css

prettyPhoto.css

234 ms

css

css

29 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

90 ms

analytics.js

analytics.js

75 ms

LOGOXL-web.gif

LOGOXL-web.gif

69 ms

sliderbg-blue.png

sliderbg-blue.png

106 ms

ClassSlider.jpg

ClassSlider.jpg

131 ms

CharterSlider.jpg

CharterSlider.jpg

128 ms

ShopSlider1.jpg

ShopSlider1.jpg

129 ms

ScallopSlider1.jpg

ScallopSlider1.jpg

133 ms

slider-shadow.png

slider-shadow.png

82 ms

content-topbg.png

content-topbg.png

109 ms

contentbtnbg-blue.png

contentbtnbg-blue.png

68 ms

DSCN0982-web.jpg

DSCN0982-web.jpg

133 ms

readmorebtnbg.png

readmorebtnbg.png

109 ms

DSCN0445-web1.jpg

DSCN0445-web1.jpg

131 ms

DSCN1677-web.jpg

DSCN1677-web.jpg

217 ms

IMG_0995-web.jpg

IMG_0995-web.jpg

217 ms

print.png

print.png

122 ms

admin.png

admin.png

135 ms

home.png

home.png

136 ms

siyrece.png

siyrece.png

205 ms

textpicture.png

textpicture.png

205 ms

ajax.png

ajax.png

206 ms

footertopbg.png

footertopbg.png

328 ms

topstrip.png

topstrip.png

203 ms

footerheadbg.png

footerheadbg.png

205 ms

searchboxbg.png

searchboxbg.png

270 ms

searchbtn.png

searchbtn.png

269 ms

footerbottombg.png

footerbottombg.png

270 ms

facebook.png

facebook.png

272 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2RmV9Su1fah.ttf

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2RmV9Su1fah.ttf

78 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjo0oSmb2RmV9Su1fah.ttf

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjo0oSmb2RmV9Su1fah.ttf

116 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjoa4Omb2RmV9Su1fah.ttf

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjoa4Omb2RmV9Su1fah.ttf

257 ms

champagne__limousines-webfont.woff

champagne__limousines-webfont.woff

214 ms

style.css

style.css

334 ms

slider-leftnav.png

slider-leftnav.png

271 ms

slider-rightnav.png

slider-rightnav.png

272 ms

LOGOXL-web.gif

LOGOXL-web.gif

272 ms

collect

collect

14 ms

js

js

64 ms

CharterSlider.jpg

CharterSlider.jpg

214 ms

ShopSlider1.jpg

ShopSlider1.jpg

267 ms

ClassSlider.jpg

ClassSlider.jpg

338 ms

DSCN0445-web1.jpg

DSCN0445-web1.jpg

273 ms

ScallopSlider1.jpg

ScallopSlider1.jpg

337 ms

DSCN0982-web.jpg

DSCN0982-web.jpg

277 ms

DSCN1677-web.jpg

DSCN1677-web.jpg

247 ms

IMG_0995-web.jpg

IMG_0995-web.jpg

247 ms

Accessibility Review

bostonscuba.com accessibility score

79

Accessibility Issues

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

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

bostonscuba.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bostonscuba.com SEO score

86

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Bostonscuba.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 Bostonscuba.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

bostonscuba.com

Open Graph description is not detected on the main page of Boston SCUBA. 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: