Tools & Wizards About Us
opt-osfns.org screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

opt-osfns.org

New York City Public Schools

Page Load Speed

500 ms in total

First Response

83 ms

Resources Loaded

315 ms

Page Rendered

102 ms

opt-osfns.org screenshot

About Website

Visit opt-osfns.org now to see the best up-to-date Opt Osfns content for United States and also check out these interesting facts you probably never knew about opt-osfns.org

NYC Department of Education, serving 1.1 million students in over 1,800 schools

Visit opt-osfns.org

Key Findings

We analyzed Opt-osfns.org page load time and found that the first response time was 83 ms and then it took 417 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

opt-osfns.org performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value20.1 s

0/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

opt-osfns.org

83 ms

Styles.css

104 ms

ga.js

41 ms

homepage_template_04.gif

25 ms

__utm.gif

13 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Opt-osfns.org, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (104 ms) belongs to the original domain Opt-osfns.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 38.2 kB (44%)

Content Size

86.2 kB

After Optimization

48.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opt-osfns.org main page is 86.2 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. Images take 32.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 20.4 kB

  • Original 25.2 kB
  • After minification 16.8 kB
  • After compression 4.8 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 8.4 kB, which is 33% 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 20.4 kB or 81% of the original size.

Image Optimization

-23%

Potential reduce by 7.6 kB

  • Original 32.5 kB
  • After minification 24.9 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, Opt Osfns needs image optimization as it can save up to 7.6 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-89%

Potential reduce by 10.1 kB

  • Original 11.3 kB
  • After minification 8.9 kB
  • After compression 1.2 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. Opt-osfns.org needs all CSS files to be minified and compressed as it can save up to 10.1 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opt Osfns. According to our analytics all requests are already optimized.

Network Requests Diagram

opt-osfns.org

opt-osfns.org

83 ms

Styles.css

Styles.css

104 ms

ga.js

ga.js

41 ms

homepage_template_04.gif

homepage_template_04.gif

25 ms

__utm.gif

__utm.gif

13 ms

cover_psal.gif

cover_psal.gif

25 ms

logopsal.gif

logopsal.gif

42 ms

chickendish.png

chickendish.png

61 ms

SchoolFoodLogo.jpg

SchoolFoodLogo.jpg

57 ms

cover_opt.gif

cover_opt.gif

48 ms

logoopt.gif

logoopt.gif

42 ms

cover_dsf.gif

cover_dsf.gif

52 ms

logodsf.gif

logodsf.gif

53 ms

spacer.gif

spacer.gif

49 ms

Accessibility Review

opt-osfns.org accessibility score

85

Accessibility Issues

ARIA

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.

Impact

Issue

High

ARIA input fields do not have accessible names

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

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

opt-osfns.org best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

opt-osfns.org SEO score

92

Search Engine Optimization Advices

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opt-osfns.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 Opt-osfns.org main page’s claimed encoding is . 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

opt-osfns.org

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