Access annenbergspaceforphotography.org. Annenberg Space for Photography

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.881

3/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

annenbergspaceforphotography.org

171 ms

annenbergphotospace.org

359 ms

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

154 ms

css_6dgHt3pjutG8lSOKlVtnLxRycfkUaFPl75QCpPLkMfw.css

169 ms

css_aMy5UUOqC2yHrfKjDqwHR-EvhKCAeSuqqLW6GoskXXw.css

171 ms

Our browser made a total of 88 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Annenbergspaceforphotography.org, 90% (79 requests) were made to Annenbergphotospace.org and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (910 ms) relates to the external source Annenbergphotospace.org.

Content Size

6.3 MB

After Optimization

5.4 MB

In fact, the total size of Annenbergspaceforphotography.org main page is 6.3 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. 65% of websites need less resources to load. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 74.8 kB

Original 92.1 kB
After minification 78.7 kB
After compression 17.3 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. This page needs HTML code to be minified as it can gain 13.4 kB, which is 15% 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 74.8 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 15.1 kB

Original 5.3 MB
After minification 5.3 MB

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. Annenberg Space For Photography images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 320.0 kB

Original 415.4 kB
After minification 327.3 kB
After compression 95.4 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 320.0 kB or 77% of the original size.

CSS Optimization

-86%

Potential reduce by 408.9 kB

Original 476.4 kB
After minification 463.2 kB
After compression 67.6 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. Annenbergspaceforphotography.org needs all CSS files to be minified and compressed as it can save up to 408.9 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Annenberg Space For Photography. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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 Annenbergspaceforphotography.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 Annenbergspaceforphotography.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

annenbergspaceforphotography.org

Open Graph data is detected on the main page of Annenberg Space For Photography. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Annenberg Space for Photography

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

annenbergspaceforphotography.org

annenbergphotospace.org

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

css_6dgHt3pjutG8lSOKlVtnLxRycfkUaFPl75QCpPLkMfw.css

css_aMy5UUOqC2yHrfKjDqwHR-EvhKCAeSuqqLW6GoskXXw.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

annenbergspaceforphotography.org

annenbergphotospace.org

css_lQaZfjVpwP_oGNqdtWCSpJT1EMqXdMiU84ekLLxQnc4.css

css_6dgHt3pjutG8lSOKlVtnLxRycfkUaFPl75QCpPLkMfw.css

css_aMy5UUOqC2yHrfKjDqwHR-EvhKCAeSuqqLW6GoskXXw.css

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picturefill.min.js

jquery.min.js

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ga.js

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