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iistl.volunteerlocal.com screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

iistl.volunteerlocal.com

Register to volunteer with International Institute of St. Louis via VolunteerLocal

Page Load Speed

520 ms in total

First Response

59 ms

Resources Loaded

334 ms

Page Rendered

127 ms

iistl.volunteerlocal.com screenshot

About Website

Welcome to iistl.volunteerlocal.com homepage info - get ready to check Ii St L Volunteer Local best content for United States right away, or after learning these important things about iistl.volunteerlocal.com

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Key Findings

We analyzed Iistl.volunteerlocal.com page load time and found that the first response time was 59 ms and then it took 461 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

iistl.volunteerlocal.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

59 ms

css

81 ms

jquery-ui.css

69 ms

primary_elements-v20240826.css

4 ms

fullcalendar.min.css

77 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 46% of them (12 requests) were addressed to the original Iistl.volunteerlocal.com, 12% (3 requests) were made to Ajax.googleapis.com and 12% (3 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (166 ms) relates to the external source Vl-org-logos.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 456.4 kB (65%)

Content Size

702.4 kB

After Optimization

246.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Iistl.volunteerlocal.com main page is 702.4 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. 40% of websites need less resources to load. Javascripts take 579.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 5.1 kB

  • Original 7.4 kB
  • After minification 7.4 kB
  • After compression 2.3 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 5.1 kB or 68% of the original size.

Image Optimization

-19%

Potential reduce by 14.2 kB

  • Original 75.5 kB
  • After minification 61.3 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. Obviously, Ii St L Volunteer Local needs image optimization as it can save up to 14.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 402.6 kB

  • Original 579.1 kB
  • After minification 375.7 kB
  • After compression 176.5 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 402.6 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 34.5 kB

  • Original 40.4 kB
  • After minification 30.1 kB
  • After compression 6.0 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. Iistl.volunteerlocal.com needs all CSS files to be minified and compressed as it can save up to 34.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (75%)

Requests Now

24

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ii St L Volunteer Local. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

59 ms

css

css

81 ms

jquery-ui.css

jquery-ui.css

69 ms

primary_elements-v20240826.css

primary_elements-v20240826.css

4 ms

fullcalendar.min.css

fullcalendar.min.css

77 ms

jquery.min.js

jquery.min.js

75 ms

jquery-ui.min.js

jquery-ui.min.js

101 ms

functions-v202407082314.js

functions-v202407082314.js

42 ms

payment_processing-v202201071559.js

payment_processing-v202201071559.js

42 ms

moment.min.js

moment.min.js

100 ms

moment-timezone-with-data.js

moment-timezone-with-data.js

125 ms

functions_calendar_grid-v202405091451.js

functions_calendar_grid-v202405091451.js

57 ms

fullcalendar.js

fullcalendar.js

64 ms

functions_plus_one.js

functions_plus_one.js

57 ms

init_auto_confirm-v202405011534.js

init_auto_confirm-v202405011534.js

61 ms

init_self_check.js

init_self_check.js

61 ms

doc_ready-v202405011529.js

doc_ready-v202405011529.js

61 ms

cef821bdd1.js

cef821bdd1.js

154 ms

js

js

152 ms

logo.gif

logo.gif

62 ms

e57148__IISTL-Logo---horizontal---black.png

e57148__IISTL-Logo---horizontal---black.png

63 ms

e57148__IISTL-Logo---horizontal---black.png

e57148__IISTL-Logo---horizontal---black.png

166 ms

fullcalendar.print.css

fullcalendar.print.css

47 ms

ga.js

ga.js

32 ms

__utm.gif

__utm.gif

15 ms

__utm.gif

__utm.gif

4 ms

Accessibility Review

iistl.volunteerlocal.com accessibility score

64

Accessibility Issues

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

iistl.volunteerlocal.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

High

Missing source maps for large first-party JavaScript

SEO Factors

iistl.volunteerlocal.com SEO score

92

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

Image elements do not have [alt] attributes

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 Iistl.volunteerlocal.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 Iistl.volunteerlocal.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

iistl.volunteerlocal.com

Open Graph description is not detected on the main page of Ii St L Volunteer Local. 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: