Access photos.nwf.org. National Wildlife Federation

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

photos.nwf.org

186 ms

PhotoZone.aspx

278 ms

swfobject.js

16 ms

jquery-1.4.2.min.js

25 ms

GoogleAnalytics1.js

36 ms

Our browser made a total of 135 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Photos.nwf.org, 48% (65 requests) were made to Nwf.org and 7% (9 requests) were made to D.adroll.com. The less responsive or slowest element that took the longest time to load (569 ms) relates to the external source Js.ptengine.jp.

Content Size

1.6 MB

After Optimization

853.0 kB

In fact, the total size of Photos.nwf.org main page is 1.6 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. 60% of websites need less resources to load. Javascripts take 946.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 41.1 kB

Original 53.5 kB
After minification 47.6 kB
After compression 12.4 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 5.9 kB, which is 11% 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 41.1 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 29.2 kB

Original 526.6 kB
After minification 497.4 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. Photos Nwf images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 617.3 kB

Original 946.5 kB
After minification 919.6 kB
After compression 329.1 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 617.3 kB or 65% of the original size.

CSS Optimization

-81%

Potential reduce by 60.2 kB

Original 74.3 kB
After minification 54.3 kB
After compression 14.1 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. Photos.nwf.org needs all CSS files to be minified and compressed as it can save up to 60.2 kB or 81% of the original size.

Requests Now

114

After Optimization

The browser has sent 114 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Photos Nwf. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 15 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

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 keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

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

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

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

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 Photos.nwf.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 Photos.nwf.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

photos.nwf.org

Open Graph data is detected on the main page of Photos Nwf. 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

National Wildlife Federation

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

photos.nwf.org

PhotoZone.aspx

swfobject.js

jquery-1.4.2.min.js

GoogleAnalytics1.js

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

photos.nwf.org

PhotoZone.aspx

swfobject.js

jquery-1.4.2.min.js

GoogleAnalytics1.js

buttons.js

default.css

footer.css

default.css

css

common.css

magazine.css

default.css

nationalwildlife.css

jquery.jplayer.min.js

regionalFeature.js

jquery.slider.1.0.0.js

init-jquery.js

3columnlayout.css

magazinechannel.css

WebResource.axd

WebResource.axd

WebResource.axd

WebResource.axd

SiteCatalyst.js

VisitorIdentification.aspx

WebResource.axd

Telerik.Web.UI.WebResource.axd

ga_social_tracking.js

conversion.js

ga.js

__utm.gif

btn-donate1.ashx

btn-take-action1.ashx

btn-email.png

PhotoZone_HonorableMention_335x469.ashx

Monarch_Windhorst_90x70.ashx

3CC_BrownBear_Haines_90x70.ashx

IceCrystals_AdirondackParkNY_DarlaOathout_90X70.ashx

Pika_Kunce_90x70.ashx

SM_FM16_90X70.ashx

NWF_CWH_2013_Chickadee_160x600_Gold_3.ashx

Bank-of-America_PolarBear_220x220.ashx