Access rentonschools.us. Home - Renton School District 403

13

Performance

Renders faster than
25% of other websites
82

Accessibility

Visual factors better than
that of 52% of websites
75

Best Practices

More advanced features
available than in
35% of websites
91

SEO

Google-friendlier than
70% of websites

First Response

79 ms

Resources Loaded

806 ms

Page Rendered

252 ms

About Website

Welcome to rentonschools.us homepage info - get ready to check Renton School S best content for United States right away, or after learning these important things about rentonschools.us

Home - Renton School District 403

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Key Findings

We analyzed Rentonschools.us page load time and found that the first response time was 79 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value10.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value1,930 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.19

65/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

rentonschools.us

79 ms

default.aspx

116 ms

OpenSans-Light.css

65 ms

OpenSans-Italic.css

59 ms

OpenSans-Regular.css

57 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 51% of them (38 requests) were addressed to the original Rentonschools.us, 11% (8 requests) were made to Extend.schoolwires.com and 9% (7 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (367 ms) relates to the external source Us1.siteimprove.com.

Content Size

1.1 MB

After Optimization

678.1 kB

In fact, the total size of Rentonschools.us main page is 1.1 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. Images take 442.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 158.1 kB

Original 195.8 kB
After minification 192.3 kB
After compression 37.7 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 158.1 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 12.2 kB

Original 442.5 kB
After minification 430.3 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. Renton School S images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 133.4 kB

Original 298.8 kB
After minification 266.1 kB
After compression 165.5 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 133.4 kB or 45% of the original size.

CSS Optimization

-78%

Potential reduce by 154.8 kB

Original 199.5 kB
After minification 152.4 kB
After compression 44.7 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. Rentonschools.us needs all CSS files to be minified and compressed as it can save up to 154.8 kB or 78% of the original size.

Requests Now

After Optimization

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Renton School S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 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

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 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>).

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

High

Missing source maps for large first-party JavaScript

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

High

Tap targets are not sized appropriately

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 Rentonschools.us 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 Rentonschools.us 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

rentonschools.us

Open Graph description is not detected on the main page of Renton School S. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Home - Renton School District 403

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)