Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

vizualsurvey.com

VizualSurvey | Tableau Survey Dashboards and Presentations

Page Load Speed

8.5 sec in total

First Response

617 ms

Resources Loaded

7.2 sec

Page Rendered

669 ms

vizualsurvey.com screenshot

About Website

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

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Key Findings

We analyzed Vizualsurvey.com page load time and found that the first response time was 617 ms and then it took 7.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

vizualsurvey.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value4,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value43.0 s

0/100

10%

Network Requests Diagram

vizualsurvey.com

617 ms

font-awesome.min.css

41 ms

blocks.style.build.css

361 ms

style.min.css

357 ms

styles.css

82 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 83% of them (95 requests) were addressed to the original Vizualsurvey.com, 4% (5 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Vizualsurvey.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 472.4 kB (16%)

Content Size

2.9 MB

After Optimization

2.4 MB

In fact, the total size of Vizualsurvey.com main page is 2.9 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 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 158.4 kB

  • Original 192.0 kB
  • After minification 178.2 kB
  • After compression 33.6 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 158.4 kB or 82% of the original size.

Image Optimization

-15%

Potential reduce by 289.0 kB

  • Original 1.9 MB
  • After minification 1.6 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. Obviously, Vizual Survey needs image optimization as it can save up to 289.0 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 5.3 kB

  • Original 655.4 kB
  • After minification 655.2 kB
  • After compression 650.0 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

-11%

Potential reduce by 19.6 kB

  • Original 172.4 kB
  • After minification 159.9 kB
  • After compression 152.7 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. Vizualsurvey.com needs all CSS files to be minified and compressed as it can save up to 19.6 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 82 (78%)

Requests Now

105

After Optimization

23

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vizual Survey. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vizualsurvey.com accessibility score

66

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-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

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

vizualsurvey.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

vizualsurvey.com SEO score

92

Search Engine Optimization Advices

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 Vizualsurvey.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 Vizualsurvey.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 Vizual Survey. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: