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odyssub.com screenshot

Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

odyssub.com

Magasin de matériel de plongée

Page Load Speed

3.7 sec in total

First Response

788 ms

Resources Loaded

2.4 sec

Page Rendered

466 ms

odyssub.com screenshot

About Website

Welcome to odyssub.com homepage info - get ready to check Odyssub best content right away, or after learning these important things about odyssub.com

Nous vous proposons une large sélection d'équipement de plongée, chasse sous-marine, snorkeling, natation et longe-côte. Nous révisons aussi votre équipement.

Visit odyssub.com

Key Findings

We analyzed Odyssub.com page load time and found that the first response time was 788 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 55% of websites can load faster.

Performance Metrics

odyssub.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

odyssub.com

788 ms

css

23 ms

all-5faf9df358f440888b41a12d5bb1af1c.css

455 ms

all-bd0f956b16abcd5649de22653d696612.js

550 ms

css

14 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 82% of them (40 requests) were addressed to the original Odyssub.com, 10% (5 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Odyssub.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 421.0 kB (60%)

Content Size

705.3 kB

After Optimization

284.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Odyssub.com main page is 705.3 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. 25% of websites need less resources to load. Javascripts take 277.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 63.1 kB

  • Original 73.1 kB
  • After minification 54.7 kB
  • After compression 10.0 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. This page needs HTML code to be minified as it can gain 18.4 kB, which is 25% 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 63.1 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 1.7 kB

  • Original 144.1 kB
  • After minification 142.4 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. Odyssub images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 180.3 kB

  • Original 277.5 kB
  • After minification 277.5 kB
  • After compression 97.2 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 180.3 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 175.9 kB

  • Original 210.6 kB
  • After minification 208.9 kB
  • After compression 34.8 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. Odyssub.com needs all CSS files to be minified and compressed as it can save up to 175.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (33%)

Requests Now

43

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Odyssub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

odyssub.com

odyssub.com

788 ms

css

css

23 ms

all-5faf9df358f440888b41a12d5bb1af1c.css

all-5faf9df358f440888b41a12d5bb1af1c.css

455 ms

all-bd0f956b16abcd5649de22653d696612.js

all-bd0f956b16abcd5649de22653d696612.js

550 ms

css

css

14 ms

image_background

image_background

1205 ms

loading-04f93cdcbeb6ca2a12226e747aa5e5ad.gif

loading-04f93cdcbeb6ca2a12226e747aa5e5ad.gif

154 ms

bg-sprites.png

bg-sprites.png

154 ms

image_logo

image_logo

200 ms

image_slideshow_home1

image_slideshow_home1

568 ms

image_slideshow_home2

image_slideshow_home2

279 ms

image_slideshow_home4

image_slideshow_home4

573 ms

image_ad_home1

image_ad_home1

461 ms

image_ad_home2

image_ad_home2

369 ms

ordinateur-de-plongee-i450t-aqualung-blanc.jpeg

ordinateur-de-plongee-i450t-aqualung-blanc.jpeg

370 ms

ordinateur-de-plongee-i450t-aqualung-blanc.jpeg

ordinateur-de-plongee-i450t-aqualung-blanc.jpeg

462 ms

ordinateur-de-plongee-i450t-aqualung-bleu.jpeg

ordinateur-de-plongee-i450t-aqualung-bleu.jpeg

461 ms

tee-shirt-lycra-rash-guard-scubapro-homme-circle.jpeg

tee-shirt-lycra-rash-guard-scubapro-homme-circle.jpeg

572 ms

tee-shirt-lycra-rash-guard-scubapro-femme-mermaid.jpeg

tee-shirt-lycra-rash-guard-scubapro-femme-mermaid.jpeg

570 ms

sac-detendeur-scubapro-et-pochon-ordinateur.jpeg

sac-detendeur-scubapro-et-pochon-ordinateur.jpeg

570 ms

octopus-scubapro-r195.jpeg

octopus-scubapro-r195.jpeg

654 ms

ordinateur-de-plongee-i300-aqualung-gris.jpeg

ordinateur-de-plongee-i300-aqualung-gris.jpeg

660 ms

ordinateur-de-plongee-i300-aqualung-gris.jpeg

ordinateur-de-plongee-i300-aqualung-gris.jpeg

661 ms

ordinateur-de-plongee-i300-aqualung-bleu.jpeg

ordinateur-de-plongee-i300-aqualung-bleu.jpeg

659 ms

combinaison-semi-etanche-nova-scotia-75mm-homme.jpeg

combinaison-semi-etanche-nova-scotia-75mm-homme.jpeg

661 ms

ordinateur-d4i-novo-suunto-blanc.jpeg

ordinateur-d4i-novo-suunto-blanc.jpeg

746 ms

ordinateur-d4i-novo-suunto-blanc.jpeg

ordinateur-d4i-novo-suunto-blanc.jpeg

751 ms

ordinateur-d4i-novo-suunto-noir.jpeg

ordinateur-d4i-novo-suunto-noir.jpeg

749 ms

camion2.png

camion2.png

751 ms

charte.png

charte.png

751 ms

domtom1.png

domtom1.png

836 ms

cadenas.png

cadenas.png

838 ms

client2.png

client2.png

840 ms

googleplus.png

googleplus.png

841 ms

facebook.png

facebook.png

840 ms

twitter.png

twitter.png

926 ms

tumblr.png

tumblr.png

929 ms

youtube.png

youtube.png

931 ms

Odyssubv4.png

Odyssubv4.png

933 ms

avatar1.png

avatar1.png

932 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1055 ms

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

k3k702ZOKiLJc3WVjuplzHhCUOGz7vYGh680lGh-uXM.woff

89 ms

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

cJZKeOuBrn4kERxqtaUH3T8E0i7KZn-EPnyo3HZu7kw.woff

85 ms

dc.js

dc.js

47 ms

ui-bg_flat_75_ffffff_40x100-1155e4ec63a590d1994d1be86abf1f46.png

ui-bg_flat_75_ffffff_40x100-1155e4ec63a590d1994d1be86abf1f46.png

875 ms

-g5pDUSRgvxvOl5u-a_WHw.woff

-g5pDUSRgvxvOl5u-a_WHw.woff

42 ms

HqHm7BVC_nzzTui2lzQTDT8E0i7KZn-EPnyo3HZu7kw.woff

HqHm7BVC_nzzTui2lzQTDT8E0i7KZn-EPnyo3HZu7kw.woff

43 ms

bH7276GfdCjMjApa_dkG6T8E0i7KZn-EPnyo3HZu7kw.woff

bH7276GfdCjMjApa_dkG6T8E0i7KZn-EPnyo3HZu7kw.woff

42 ms

__utm.gif

__utm.gif

32 ms

Accessibility Review

odyssub.com accessibility score

53

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

odyssub.com best practices score

75

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

Serves images with low resolution

SEO Factors

odyssub.com SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Odyssub.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Odyssub.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

odyssub.com

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