7.5 sec in total
199 ms
6.9 sec
347 ms
Visit iscubacenter.com now to see the best up-to-date I Scuba Center content and also check out these interesting facts you probably never knew about iscubacenter.com
Serving the TriCities - Johnson CIty, Kingsport, Bristol - for all your scuba & dIving needs including sales, repair service, instruction,travel and salvage.
Visit iscubacenter.comWe analyzed Iscubacenter.com page load time and found that the first response time was 199 ms and then it took 7.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
iscubacenter.com performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value4.5 s
37/100
25%
Value7.8 s
24/100
10%
Value100 ms
98/100
30%
Value0.089
92/100
15%
Value5.0 s
76/100
10%
199 ms
266 ms
92 ms
277 ms
100 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 35% of them (31 requests) were addressed to the original Iscubacenter.com, 64% (56 requests) were made to Static1.1.sqspcdn.com and 1% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Iscubacenter.com.
Page size can be reduced by 759.5 kB (52%)
1.5 MB
710.6 kB
In fact, the total size of Iscubacenter.com main page is 1.5 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. 55% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 46.0 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 46.0 kB or 83% of the original size.
Potential reduce by 422.0 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. Obviously, I Scuba Center needs image optimization as it can save up to 422.0 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 246.7 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 246.7 kB or 74% of the original size.
Potential reduce by 44.7 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. Iscubacenter.com needs all CSS files to be minified and compressed as it can save up to 44.7 kB or 84% of the original size.
Number of requests can be reduced by 21 (24%)
86
65
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of I Scuba Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.
iscubacenter.com
199 ms
common.css
266 ms
squarespace-gallery-slideshow.css
92 ms
yahoo-dom-event.js
277 ms
connection_core-min.js
100 ms
json-min.js
100 ms
animation-min.js
236 ms
selector.js
199 ms
element.js
216 ms
global.js
261 ms
lightbox.js
313 ms
api.js
312 ms
base64.js
322 ms
census.js
348 ms
yahoo-min.js
1351 ms
event-min.js
381 ms
event-mouseenter-min.js
421 ms
element-min.js
393 ms
social.js
433 ms
datefmt.js
432 ms
yui2-yui3-bridge.js
456 ms
squarespace-gallery-slideshow.js
506 ms
cookie-min.js
1501 ms
eu-cookie-policy.js
512 ms
webfont.js
7 ms
atomicoval.jpg
41 ms
barewob.jpg
67 ms
banner-coralscape.jpg
67 ms
armor.jpg
116 ms
beuchat.png
22 ms
RecordHit
1853 ms
rest
2021 ms
rest
2208 ms
backscatter.jpeg
3 ms
bigblue.jpg
83 ms
czs.png
4 ms
flip3.1.png
32 ms
500psi+inverted.jpg
91 ms
Head.jpg
299 ms
ikelitewob.jpg
4 ms
isc.jpg
4 ms
mares.jpg
91 ms
McNett.jpeg
5 ms
marinesports.jpg
90 ms
nightsea.jpeg
85 ms
lightmotion.jpeg
36 ms
nwpub.jpg
1914 ms
pinnacled.jpg
4 ms
princeton.jpg
92 ms
seasea.jpg
107 ms
seacure.gif
4 ms
sharkskin.png
323 ms
spareair.jpg
62 ms
open-off-site.png
1760 ms
stahlsac.png
39 ms
momentum.jpg
3 ms
tusa.jpg
3 ms
uwcamerastuff.png
5 ms
ulcs.jpeg
93 ms
valstech.png
93 ms
inon.png
5 ms
Liquivision.jpeg
4 ms
h20dyssey.jpeg
4 ms
view.jpg
3 ms
waterproof.jpg
83 ms
xs.jpg
37 ms
zeagle.jpg
4 ms
33rd.jpg
78 ms
ISC+College+8.png
145 ms
ray_strip8.5.png
28 ms
ray_strip8.5.png
5 ms
ReDi_ReDi_Logo_v2.png
4 ms
ray_strip8.5.png
4 ms
ray_strip8.5.png
4 ms
ray_strip8.5.png
2 ms
facebook.png
32 ms
twitter.png
4 ms
ray_strip8.5.png
2 ms
DEMALogo.jpg
4 ms
danlogo+copy.png
17 ms
dan+trip+ins.jpg
4 ms
ReDi_ReDi_Logo_v2.png
3 ms
SeeDive+Logo.jpg
4 ms
trident.jpg
41 ms
JFK.mov
7 ms
loading.gif
79 ms
overlay-arrow-left.png
84 ms
overlay-arrow-right.png
88 ms
iscubacenter.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
iscubacenter.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
iscubacenter.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iscubacenter.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 Iscubacenter.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.
iscubacenter.com
Open Graph description is not detected on the main page of I Scuba Center. 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: