Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

o3promo.com

O3 Promo Inc provide all kinds of promotional items product

Page Load Speed

3.1 sec in total

First Response

682 ms

Resources Loaded

1.9 sec

Page Rendered

478 ms

About Website

Visit o3promo.com now to see the best up-to-date O3 Promo content and also check out these interesting facts you probably never knew about o3promo.com

drinkware, non-woven bag

Visit o3promo.com

Key Findings

We analyzed O3promo.com page load time and found that the first response time was 682 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

o3promo.com performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

o3promo.com

682 ms

blue_6.css

188 ms

yu-zhi-guo-com.js

158 ms

image1.jpg

70 ms

bg.gif

838 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that all of those requests were addressed to O3promo.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain O3promo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.2 kB (4%)

Content Size

972.1 kB

After Optimization

934.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of O3promo.com main page is 972.1 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. 30% of websites need less resources to load. Images take 945.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 20.2 kB

  • Original 24.0 kB
  • After minification 23.8 kB
  • After compression 3.8 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 20.2 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 15.8 kB

  • Original 945.1 kB
  • After minification 929.4 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. O3 Promo images are well optimized though.

JavaScript Optimization

-53%

Potential reduce by 312 B

  • Original 587 B
  • After minification 579 B
  • After compression 275 B

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 312 B or 53% of the original size.

CSS Optimization

-38%

Potential reduce by 864 B

  • Original 2.3 kB
  • After minification 2.3 kB
  • After compression 1.4 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. O3promo.com needs all CSS files to be minified and compressed as it can save up to 864 B or 38% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

41

After Optimization

41

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O3 Promo. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

o3promo.com accessibility score

68

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

Form elements do not have associated labels

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

o3promo.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

o3promo.com SEO score

67

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

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 O3promo.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 O3promo.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 description is not detected on the main page of O3 Promo. 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: