3.3 sec in total
382 ms
2.2 sec
683 ms
Visit ndiver.com now to see the best up-to-date N Diver content for Iran and also check out these interesting facts you probably never knew about ndiver.com
Over 45 Years of Elite Scuba Diving Equipment. We offer a fantastic range of scuba diving & water sports products. From our famous made-to-measure drysuits to Coltri Compressors, we have everything yo...
Visit ndiver.comWe analyzed Ndiver.com page load time and found that the first response time was 382 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
ndiver.com performance score
name
value
score
weighting
Value5.0 s
9/100
10%
Value18.8 s
0/100
25%
Value15.9 s
0/100
10%
Value2,570 ms
4/100
30%
Value0
100/100
15%
Value16.0 s
6/100
10%
382 ms
64 ms
80 ms
226 ms
158 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 94% of them (80 requests) were addressed to the original Ndiver.com, 4% (3 requests) were made to Google-analytics.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (686 ms) belongs to the original domain Ndiver.com.
Page size can be reduced by 598.7 kB (32%)
1.9 MB
1.3 MB
In fact, the total size of Ndiver.com main page is 1.9 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. 60% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 70.4 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 36.8 kB, which is 47% 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 70.4 kB or 91% of the original size.
Potential reduce by 138.0 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, N Diver needs image optimization as it can save up to 138.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 276.8 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 276.8 kB or 71% of the original size.
Potential reduce by 113.5 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. Ndiver.com needs all CSS files to be minified and compressed as it can save up to 113.5 kB or 84% of the original size.
Number of requests can be reduced by 25 (30%)
83
58
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of N Diver. 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 7 to 1 for CSS and as a result speed up the page load time.
www.ndiver.com
382 ms
css
64 ms
styles.css
80 ms
styles.css
226 ms
iselector.css
158 ms
blue.css
152 ms
index.php
219 ms
jquery.js
375 ms
jquery-ui-1.8.6.custom.min.js
445 ms
jquery.cycle.all.2.72.js
300 ms
jquery-ui.css
232 ms
menudrop.js
297 ms
common.js
298 ms
iselector.js
307 ms
jBanner.Init.js
385 ms
facebox.js
384 ms
facebox.css
385 ms
search-input.js
385 ms
quicksearch.js
454 ms
ga.js
9 ms
index.php
287 ms
__utm.gif
12 ms
__utm.gif
52 ms
northern_diver.JPG
318 ms
ajax-loader.gif
108 ms
videos_page.png
108 ms
header.png
153 ms
northern_diver_logo_345x67.png
108 ms
icon-twitter-2.png
110 ms
icon-facebook-2.png
174 ms
icon-youtube-2.png
175 ms
blogspot-22x22.png
172 ms
tel_bg.png
177 ms
Search.gif
227 ms
home.png
247 ms
delivery-banner.png
248 ms
eggstravagant-easter-offers-01.jpg
396 ms
northern_diver_varilux_travel_2_coming_soon_banner-offer.jpg
324 ms
arctic-base-49.jpg
448 ms
northern_diver_sea_wing_nova_fins_banner.jpg
394 ms
northern_diver_lighting_varilux_micro_sale_banner.jpg
466 ms
northern_diver_wristwear_sale_banner.jpg
389 ms
northern_diver_tailored_drysuits_banner_982x361.jpg
473 ms
northern_diver_kids_section_banner.jpg
468 ms
clearance-banner.jpg
543 ms
northern_diver_commercial_diving_equipment_234x110.png
470 ms
northern_diver_rescue_diving_equipment_234x110.png
594 ms
northern_diver_military_diving_equipment_234x110.png
614 ms
northern_diver_fast_despatch_diving_equipment_234x110.png
548 ms
northern_diver_online_measurement_tool_diving_equipment_234x110.png
548 ms
4g-fin-usb-keyring-03__74516_thumb.jpg
546 ms
IcoRating0.gif
621 ms
voyager-wash-bag-01__03390_thumb.jpg
625 ms
thermicore-hat-glove-set-01__05428_thumb.jpg
621 ms
voyager-tablet-case-01__16874_thumb.jpg
622 ms
wallet-2015-01__68282_thumb.jpg
670 ms
voyager-cabin-bag-2014-01__26281_thumb.jpg
686 ms
norther_ndiver_merchandise_luggage_tag_01_1000x1000__04121_thumb.jpg
668 ms
Y_TKV6o8WovbUd3m_X9aAA.ttf
67 ms
hd_dry_box_01__14467_thumb.jpg
667 ms
northern_diver_adults_pool_fins_011_1000x1000__41930_thumb.jpg
604 ms
bundle-puzzles-01__79351_thumb.jpg
604 ms
Pocket_P8__61466_thumb.jpg
650 ms
northern_diver_combat_swimmers_bib_01_1000x1000__31801_thumb.jpg
657 ms
z296_01__96239_thumb.jpg
631 ms
Z249_01__74328_thumb.jpg
611 ms
Z318__83711_thumb.jpg
612 ms
Snapbag__77991_thumb.jpg
611 ms
IcoRating4.gif
658 ms
northern_diver_drysuits_234x177.png
622 ms
northern_diver_undersuits_234x177.png
610 ms
northern_diver_wetsuits_234x177.png
610 ms
northern_diver_diving_equipment_234x177.png
545 ms
NewsletterSubscribe.png
537 ms
twitter_40x40.png
519 ms
facebook_40x40.png
529 ms
youtube_40x40.png
538 ms
blogger_40x40.png
488 ms
cards.png
469 ms
footer_bg.png
467 ms
bullet.png
513 ms
hero_btn_bg_hover.png
527 ms
hero_btn_bg.png
466 ms
ui-bg_glass_65_ffffff_1x400.png
462 ms
ui-bg_glass_100_f6f6f6_1x400.png
460 ms
ndiver.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.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
ndiver.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
ndiver.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ndiver.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 Ndiver.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.
ndiver.com
Open Graph description is not detected on the main page of N Diver. 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: