Access os.123filter.com. Quality Whole House Water Filters and Reverse Osmosis Water Filtration Systems by iSpring

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value3,290 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.61

10/100

15%

TTI (Time to Interactive)

Value26.2 s

0/100

10%

os.123filter.com

145 ms

ac

59 ms

23 ms

idCitLd7sF

438 ms

loader.js

211 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Os.123filter.com, 77% (105 requests) were made to 123filter-com.b-cdn.net and 7% (9 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Invitejs.trustpilot.com.

Content Size

1.0 MB

After Optimization

852.7 kB

In fact, the total size of Os.123filter.com main page is 1.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 500.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 102.0 kB

Original 132.5 kB
After minification 132.1 kB
After compression 30.4 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. 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 102.0 kB or 77% of the original size.

Image Optimization

-18%

Potential reduce by 60.6 kB

Original 343.9 kB
After minification 283.3 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, Os 123 Filter needs image optimization as it can save up to 60.6 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 15.9 kB

Original 500.6 kB
After minification 498.7 kB
After compression 484.7 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

-16%

Potential reduce by 10.4 kB

Original 64.6 kB
After minification 64.6 kB
After compression 54.2 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. Os.123filter.com needs all CSS files to be minified and compressed as it can save up to 10.4 kB or 16% of the original size.

Requests Now

125

After Optimization

The browser has sent 125 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Os 123 Filter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

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

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

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

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Os.123filter.com 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 Os.123filter.com 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

os.123filter.com

Open Graph description is not detected on the main page of Os 123 Filter. 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

Quality Whole House Water Filters and Reverse Osmosis Water Filtration Systems by iSpring

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

os.123filter.com

ac

idCitLd7sF

loader.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

os.123filter.com

ac

idCitLd7sF

loader.js

tp.widget.bootstrap.min.js

js

js

js

20145

js

bootstrap.min.css

flexslider.css

onebyone.css

font-awesome.min.css

style.css

react_slider.css

chosen.bootstrap.css

extra_tabs.css

jquery-1.12.4.min.js

jquery-migrate-1.2.1.min.js

react.min.js

react-dom.min.js

index.min.js

babel.min.js

ajax-chosen.js

chosen.jquery.js

paypal_ajax_buttons.js

jquery.bxslider.min.js

jquery.bxslider.css

swiper-bundle.min.css

swiper-bundle.min.js

nwa.js

abante.js

bootstrap.min.js

common.js

respond.min.js

jquery.flexslider.min.js

easyzoom.js

jquery.validate.min.js

jquery.carouFredSel.min.js

jquery.mousewheel.min.js

jquery.touchSwipe.min.js

jquery.ba-throttle-debounce.min.js

jquery.onebyone.min.js

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