Tools & Wizards About Us

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

oxyl8.com

OXYL8 LEV Training Courses; P600 P601 P602 P604 W201 - OXYL8

Page Load Speed

7.2 sec in total

First Response

581 ms

Resources Loaded

5.7 sec

Page Rendered

941 ms

About Website

Visit oxyl8.com now to see the best up-to-date OXYL8 content and also check out these interesting facts you probably never knew about oxyl8.com

Expert LEV Training Courses, Excellent Pass Rates. OXYL8 has been presenting LEV training courses for over a decade. P600, P601, P602, P603, P604, W201, LEV Masterclasses.

Visit oxyl8.com

Key Findings

We analyzed Oxyl8.com page load time and found that the first response time was 581 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

oxyl8.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value15.2 s

7/100

10%

Network Requests Diagram

www.oxyl8.com

581 ms

bootstrap.min.css

40 ms

css2

47 ms

style.css

205 ms

respond.css

338 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 77% of them (58 requests) were addressed to the original Oxyl8.com, 5% (4 requests) were made to Img.youtube.com and 4% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Oxyl8.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 85.8 kB (8%)

Content Size

1.1 MB

After Optimization

971.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Oxyl8.com main page is 1.1 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 742.8 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 68.7 kB

  • Original 88.2 kB
  • After minification 80.4 kB
  • After compression 19.5 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 68.7 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 15.6 kB

  • Original 742.8 kB
  • After minification 727.1 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. OXYL8 images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.5 kB

  • Original 225.9 kB
  • After minification 225.9 kB
  • After compression 224.4 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 44 (62%)

Requests Now

71

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OXYL8. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

oxyl8.com accessibility score

87

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

oxyl8.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

oxyl8.com SEO score

77

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

High

Image elements do not have [alt] attributes

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

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 Oxyl8.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 Oxyl8.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

Open Graph data is detected on the main page of OXYL8. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: