Tools & Wizards About Us
spareair.com screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

spareair.com

Spare Air – the original mini scuba tank for divers and more.

Page Load Speed

1.7 sec in total

First Response

127 ms

Resources Loaded

1.2 sec

Page Rendered

363 ms

spareair.com screenshot

About Website

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

SPARE AIR - The ultimate alternative air source by the leader in self rescue breathing systems. Spare air - Tested and approved by the US Navy. Official Spare Air mini scuba tank website for divers, s...

Visit spareair.com

Key Findings

We analyzed Spareair.com page load time and found that the first response time was 127 ms and then it took 1.6 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

spareair.com performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.145

77/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

spareair.com

127 ms

www.spareair.com

210 ms

js

56 ms

menu-style.css

110 ms

ssi_shared.css

119 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 92% of them (55 requests) were addressed to the original Spareair.com, 3% (2 requests) were made to Fonts.googleapis.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (586 ms) belongs to the original domain Spareair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 923.6 kB (19%)

Content Size

4.7 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spareair.com main page is 4.7 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. 50% of websites need less resources to load. Images take 4.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 20.6 kB

  • Original 25.9 kB
  • After minification 19.9 kB
  • After compression 5.2 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. This page needs HTML code to be minified as it can gain 6.0 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 20.6 kB or 80% of the original size.

Image Optimization

-17%

Potential reduce by 780.8 kB

  • Original 4.5 MB
  • After minification 3.7 MB

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. Obviously, Spare Air needs image optimization as it can save up to 780.8 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 83.4 kB

  • Original 161.5 kB
  • After minification 159.7 kB
  • After compression 78.1 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 83.4 kB or 52% of the original size.

CSS Optimization

-77%

Potential reduce by 38.7 kB

  • Original 50.4 kB
  • After minification 39.8 kB
  • After compression 11.6 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. Spareair.com needs all CSS files to be minified and compressed as it can save up to 38.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (23%)

Requests Now

57

After Optimization

44

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Spare Air. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

spareair.com

spareair.com

127 ms

www.spareair.com

www.spareair.com

210 ms

js

js

56 ms

menu-style.css

menu-style.css

110 ms

ssi_shared.css

ssi_shared.css

119 ms

font-awesome.css

font-awesome.css

173 ms

widebanner2024.css

widebanner2024.css

151 ms

style.css

style.css

167 ms

jquery.js

jquery.js

244 ms

jquery.min.js

jquery.min.js

22 ms

menu.js

menu.js

178 ms

wowslider.js

wowslider.js

207 ms

script.js

script.js

193 ms

css

css

34 ms

css

css

19 ms

fbevents.js

fbevents.js

84 ms

menu-style.css

menu-style.css

78 ms

Spare_Air_background_photo_v1x1200.jpg

Spare_Air_background_photo_v1x1200.jpg

193 ms

icon_shoppingcart.png

icon_shoppingcart.png

77 ms

Spare_Air_logo_150x112.png

Spare_Air_logo_150x112.png

77 ms

ENTER_TO_WIN_40_years_button_X50.png

ENTER_TO_WIN_40_years_button_X50.png

77 ms

Instagram_150x.png

Instagram_150x.png

76 ms

facebook_logox50.png

facebook_logox50.png

119 ms

spareair_banner_1200x400_4.jpg

spareair_banner_1200x400_4.jpg

223 ms

xtreme_banner_image_3_6_1200x400.jpg

xtreme_banner_image_3_6_1200x400.jpg

477 ms

spareair_banner_1200x400_5.jpg

spareair_banner_1200x400_5.jpg

259 ms

spareair_banner_1200x400_6min.jpg

spareair_banner_1200x400_6min.jpg

266 ms

spareair_banner_1200x400_1.jpg

spareair_banner_1200x400_1.jpg

495 ms

spareair_banner_1200x400_2.jpg

spareair_banner_1200x400_2.jpg

400 ms

spareair_banner_1200x400_3.jpg

spareair_banner_1200x400_3.jpg

273 ms

85_liter_bottle_slide_v2min.jpg

85_liter_bottle_slide_v2min.jpg

568 ms

spareair_banner_1200x400_4.jpg

spareair_banner_1200x400_4.jpg

304 ms

xtreme_banner_image_3_6_1200x400.jpg

xtreme_banner_image_3_6_1200x400.jpg

310 ms

spareair_banner_1200x400_5.jpg

spareair_banner_1200x400_5.jpg

345 ms

spareair_banner_1200x400_6min.jpg

spareair_banner_1200x400_6min.jpg

346 ms

spareair_banner_1200x400_1.jpg

spareair_banner_1200x400_1.jpg

385 ms

spareair_banner_1200x400_2.jpg

spareair_banner_1200x400_2.jpg

389 ms

spareair_banner_1200x400_3.jpg

spareair_banner_1200x400_3.jpg

437 ms

85_liter_bottle_slide_v2min.jpg

85_liter_bottle_slide_v2min.jpg

427 ms

Spare_Air_hand_at_neck_black_cylinder_300x618ce.png

Spare_Air_hand_at_neck_black_cylinder_300x618ce.png

504 ms

Submersible_Systems_OVER_45_years_logo_200x.png

Submersible_Systems_OVER_45_years_logo_200x.png

464 ms

new_symbol.png

new_symbol.png

480 ms

graphic_big_bro600.png

graphic_big_bro600.png

499 ms

graphic_function_use.png

graphic_function_use.png

526 ms

graphic_why_pony.png

graphic_why_pony.png

524 ms

graphic_function_refill.png

graphic_function_refill.png

549 ms

graphic_why_21ways.png

graphic_why_21ways.png

536 ms

graphic_function_travel.png

graphic_function_travel.png

546 ms

graphic_function_flag.png

graphic_function_flag.png

574 ms

spareair_teas_150x120.png

spareair_teas_150x120.png

586 ms

heed3_teas_150x120.png

heed3_teas_150x120.png

570 ms

heed3swba_teas_150x120.png

heed3swba_teas_150x120.png

539 ms

ARLRDBD.TTF

ARLRDBD.TTF

544 ms

spareairxtreme_teas_150x120.png

spareairxtreme_teas_150x120.png

556 ms

EasyDive_teas_150x120.png

EasyDive_teas_150x120.png

536 ms

spareairindustrial_teas_150x120.png

spareairindustrial_teas_150x120.png

548 ms

spareairEscape_teas_150x120.png

spareairEscape_teas_150x120.png

573 ms

SSI_Inc_o45combined_logo_234x111.png

SSI_Inc_o45combined_logo_234x111.png

541 ms

madeinusacircle_logo150x.png

madeinusacircle_logo150x.png

457 ms

Warning_Triangle50x.png

Warning_Triangle50x.png

442 ms

Accessibility Review

spareair.com accessibility score

95

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

Links do not have a discernible name

Best Practices

spareair.com best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

spareair.com SEO score

99

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

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 Spareair.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 Spareair.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

spareair.com

Open Graph description is not detected on the main page of Spare Air. 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: