Report Summary

  • 97

    Performance

    Renders faster than
    95% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

preserve.org

Preserve & Protect Home Page

Page Load Speed

1.5 sec in total

First Response

173 ms

Resources Loaded

1.3 sec

Page Rendered

91 ms

preserve.org screenshot

About Website

Click here to check amazing Preserve content. Otherwise, check out these important facts you probably never knew about preserve.org

A not-for-profit corporation providing space on the World Wide Web for Historic Preservation and Environmental Protection Organizations

Visit preserve.org

Key Findings

We analyzed Preserve.org page load time and found that the first response time was 173 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

preserve.org performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.4 s

93/100

10%

Network Requests Diagram

preserve.org

173 ms

preserve.org

342 ms

js

65 ms

hospitalan.gif

407 ms

websites.gif

251 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 94% of them (16 requests) were addressed to the original Preserve.org, 6% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (739 ms) belongs to the original domain Preserve.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.8 kB (63%)

Content Size

13.9 kB

After Optimization

5.2 kB

In fact, the total size of Preserve.org main page is 13.9 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. Only 10% of websites need less resources to load. HTML takes 11.3 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 8.4 kB

  • Original 11.3 kB
  • After minification 10.7 kB
  • After compression 2.9 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 8.4 kB or 75% of the original size.

Image Optimization

-13%

Potential reduce by 338 B

  • Original 2.6 kB
  • After minification 2.3 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, Preserve needs image optimization as it can save up to 338 B or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Preserve. According to our analytics all requests are already optimized.

Accessibility Review

preserve.org accessibility score

63

Accessibility Issues

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

Best Practices

preserve.org best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

preserve.org SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Preserve.org 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 Preserve.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Preserve. 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: