Report Summary

  • 62

    Performance

    Renders faster than
    76% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

Page Load Speed

2.6 sec in total

First Response

195 ms

Resources Loaded

2.2 sec

Page Rendered

125 ms

oberlinheritagecenter.org screenshot

About Website

Welcome to oberlinheritagecenter.org homepage info - get ready to check Oberlinheritagecenter best content right away, or after learning these important things about oberlinheritagecenter.org

Visit the museum to enjoy historic building tours, walks, programs for all ages, fieldtrips and group tours featuring Oberlin history, the Underground Railroad, women's rights, historic preservation, ...

Visit oberlinheritagecenter.org

Key Findings

We analyzed Oberlinheritagecenter.org page load time and found that the first response time was 195 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

oberlinheritagecenter.org performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.114

86/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

oberlinheritagecenter.org

195 ms

www.oberlinheritagecenter.org

1161 ms

bootstrap.min.css

204 ms

bootstrap-responsive.min.css

253 ms

maroon.css

199 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 94% of them (30 requests) were addressed to the original Oberlinheritagecenter.org, 3% (1 request) were made to Ajax.googleapis.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Oberlinheritagecenter.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 112.0 kB (11%)

Content Size

1.0 MB

After Optimization

888.3 kB

In fact, the total size of Oberlinheritagecenter.org main page is 1.0 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. 45% of websites need less resources to load. Images take 834.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 23.2 kB

  • Original 29.0 kB
  • After minification 27.8 kB
  • After compression 5.7 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 23.2 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 25.6 kB

  • Original 834.7 kB
  • After minification 809.1 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. Oberlinheritagecenter images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 62.7 kB

  • Original 106.8 kB
  • After minification 106.8 kB
  • After compression 44.2 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 62.7 kB or 59% of the original size.

CSS Optimization

-2%

Potential reduce by 516 B

  • Original 29.8 kB
  • After minification 29.8 kB
  • After compression 29.3 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. Oberlinheritagecenter.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (31%)

Requests Now

29

After Optimization

20

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Oberlinheritagecenter. 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 from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

oberlinheritagecenter.org accessibility score

73

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

oberlinheritagecenter.org 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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

oberlinheritagecenter.org SEO score

85

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

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 Oberlinheritagecenter.org 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 Oberlinheritagecenter.org 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 Oberlinheritagecenter. 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: