Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

visionspares.com

Vision Spares – Exploded product part diagram systems

Page Load Speed

2.2 sec in total

First Response

285 ms

Resources Loaded

1.3 sec

Page Rendered

688 ms

visionspares.com screenshot

About Website

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

Provides easy to operate and simple to install part look up systems and product exploded diagram viewers.

Visit visionspares.com

Key Findings

We analyzed Visionspares.com page load time and found that the first response time was 285 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

visionspares.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

81/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.4 s

71/100

10%

Network Requests Diagram

visionspares.com

285 ms

site.css

87 ms

slideshow.css

161 ms

jquery-1.4.1.js

411 ms

api.js

78 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 70% of them (7 requests) were addressed to the original Visionspares.com, 10% (1 request) were made to Google.com and 10% (1 request) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (435 ms) belongs to the original domain Visionspares.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.1 kB (27%)

Content Size

153.1 kB

After Optimization

111.0 kB

In fact, the total size of Visionspares.com main page is 153.1 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. 35% of websites need less resources to load. Javascripts take 82.5 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 3.4 kB

  • Original 5.2 kB
  • After minification 4.1 kB
  • After compression 1.8 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. This page needs HTML code to be minified as it can gain 1.1 kB, which is 21% 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 3.4 kB or 65% of the original size.

Image Optimization

-4%

Potential reduce by 2.8 kB

  • Original 63.6 kB
  • After minification 60.7 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. Vision Spares images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 35.1 kB

  • Original 82.5 kB
  • After minification 82.5 kB
  • After compression 47.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 35.1 kB or 43% of the original size.

CSS Optimization

-40%

Potential reduce by 710 B

  • Original 1.8 kB
  • After minification 1.7 kB
  • After compression 1.1 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. Visionspares.com needs all CSS files to be minified and compressed as it can save up to 710 B or 40% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (44%)

Requests Now

9

After Optimization

5

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision Spares. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

visionspares.com accessibility score

84

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

Best Practices

visionspares.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

SEO Factors

visionspares.com SEO score

75

Search Engine Optimization Advices

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 Visionspares.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 Visionspares.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 Vision Spares. 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: