Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

allderdicealumni.com

ALUMNI and FRIENDS of ALLDERDICE OFFICIAL ALUMNI ASSOC. of ALLDERDICE HIGH SCHOOL, Pittsburgh, PA

Page Load Speed

2.7 sec in total

First Response

661 ms

Resources Loaded

1.3 sec

Page Rendered

725 ms

allderdicealumni.com screenshot

About Website

Welcome to allderdicealumni.com homepage info - get ready to check ALLDERDICE ALUMNI best content right away, or after learning these important things about allderdicealumni.com

This is the official web site for the ALUMNI and FRIENDS of ALLDERDICE OFFICIAL ALUMNI ASSOC. of ALLDERDICE HIGH SCHOOL

Visit allderdicealumni.com

Key Findings

We analyzed Allderdicealumni.com page load time and found that the first response time was 661 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

allderdicealumni.com performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

class_index.cfm

661 ms

fbds.js

17 ms

styles.min.css

24 ms

000.css

47 ms

jquery-1.12.4.min.js

71 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 97% of them (35 requests) were addressed to the original Allderdicealumni.com, 3% (1 request) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (661 ms) belongs to the original domain Allderdicealumni.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.5 kB (8%)

Content Size

1.1 MB

After Optimization

985.1 kB

In fact, the total size of Allderdicealumni.com main page is 1.1 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. 40% of websites need less resources to load. Images take 500.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 65.9 kB

  • Original 81.8 kB
  • After minification 78.4 kB
  • After compression 15.9 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 65.9 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 15.3 kB

  • Original 500.1 kB
  • After minification 484.8 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. ALLDERDICE ALUMNI images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 7.8 kB

  • Original 479.2 kB
  • After minification 479.2 kB
  • After compression 471.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 1.5 kB

  • Original 14.5 kB
  • After minification 14.4 kB
  • After compression 13.0 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. Allderdicealumni.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (43%)

Requests Now

35

After Optimization

20

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALLDERDICE ALUMNI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

allderdicealumni.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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

allderdicealumni.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

allderdicealumni.com SEO score

54

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Allderdicealumni.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 Allderdicealumni.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 ALLDERDICE ALUMNI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: