Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

visser.io

Visser I/O Development Playground, Useful Technology Guides

Page Load Speed

4.4 sec in total

First Response

58 ms

Resources Loaded

2 sec

Page Rendered

2.4 sec

About Website

Welcome to visser.io homepage info - get ready to check Visser best content for India right away, or after learning these important things about visser.io

UAV, technology and life in Australia, Denmark and Germany. Development playground for web and hardware projects, mostly non-WordPress Plugin projects.

Visit visser.io

Key Findings

We analyzed Visser.io page load time and found that the first response time was 58 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

visser.io performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value4,380 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.328

35/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

visser.io

58 ms

visser.io

379 ms

wp-emoji-release.min.js

144 ms

style.css

145 ms

jquery-ui.min.css

149 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Visser.io, 83% (57 requests) were made to Cdn-656c5292c1ac188b30f6777e.closte.com and 4% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (654 ms) relates to the external source Cdn-656c5292c1ac188b30f6777e.closte.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 99.9 kB (5%)

Content Size

1.9 MB

After Optimization

1.8 MB

In fact, the total size of Visser.io 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 90.3 kB

  • Original 113.1 kB
  • After minification 109.3 kB
  • After compression 22.8 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 90.3 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 2.6 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. Visser images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 794 B

  • Original 570.8 kB
  • After minification 570.8 kB
  • After compression 570.0 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.

CSS Optimization

-6%

Potential reduce by 6.2 kB

  • Original 96.7 kB
  • After minification 96.7 kB
  • After compression 90.5 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. Visser.io has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (38%)

Requests Now

58

After Optimization

36

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Visser. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

visser.io accessibility score

92

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

visser.io best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

visser.io SEO score

100

Search Engine Optimization Advices

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

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 Visser.io 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 Visser.io 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 Visser. 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: