Access roombl.com. roombl.com到期，请续费

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value60.8 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value43.0 s

0/100

10%

index.php

738 ms

rokcomments.css

326 ms

rokbox.css

332 ms

master.css

271 ms

jf_custom_style-3fd8b7ae80b5b3340564c9bdfb2e8860.css

259 ms

Our browser made a total of 130 requests to load all elements on the main page. We found that 88% of them (115 requests) were addressed to the original Roombl.com, 2% (3 requests) were made to Staticxx.facebook.com and 2% (3 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Roombl.com.

Content Size

2.2 MB

After Optimization

691.4 kB

In fact, the total size of Roombl.com main page is 2.2 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. Javascripts take 942.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 85.3 kB

Original 102.1 kB
After minification 90.6 kB
After compression 16.8 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 11.5 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 85.3 kB or 84% of the original size.

Image Optimization

-8%

Potential reduce by 21.7 kB

Original 277.9 kB
After minification 256.3 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. Roombl images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 662.2 kB

Original 942.8 kB
After minification 924.3 kB
After compression 280.6 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 662.2 kB or 70% of the original size.

CSS Optimization

-84%

Potential reduce by 704.4 kB

Original 842.1 kB
After minification 811.3 kB
After compression 137.7 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. Roombl.com needs all CSS files to be minified and compressed as it can save up to 704.4 kB or 84% of the original size.

Requests Now

127

After Optimization

The browser has sent 127 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Roombl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 42 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Definition list items are not wrapped in <dl> elements

These are opportunities to improve keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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

ZH
Language Claimed

DE
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Roombl.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed German language. Our system also found out that Roombl.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

roombl.com

Open Graph description is not detected on the main page of Roombl. 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

roombl.com到期，请续费

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

index.php

rokcomments.css

rokbox.css

master.css

jf_custom_style-3fd8b7ae80b5b3340564c9bdfb2e8860.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

index.php

rokcomments.css

rokbox.css

master.css

jf_custom_style-3fd8b7ae80b5b3340564c9bdfb2e8860.css

jf_custom_jomsocial_style-d5863dfae7d97a9adcb29f753c17fb9f.css

jf_mediaqueries.css

font-awesome.min.css

css

jf_features_testimonials.css

jf_features_services.css

jf_features_mobile_menu.css

jf_features_aboutus.css

jf_features_timeline.css

jf_grid_responsive996.css

jf_typo_00_base.css

jf_typo_01_core.css

jf_typo_02_tabs.css

jf_typo_03_accordions.css

jf_typo_04_toggles.css

jf_typo_05_tables.css

jf_typo_06_pricing_tables.css

jf_typo_07_image_video_frames.css

jf_typo_09_social_icons.css

jf_typo_10_special_boxes.css

jf_typo_11_bs_buttons_v3.css

jf_typo_12_bs_modal_v3.css

jf_typo_13_bs_dropdown_v3.css

jf_typo_14_bs_popover_v3.css

jf_typo_15_bs_carousel_v3.css

jf_custom.css

jf_typo_08_tooltips.css

bundle.css

autocomplete.css

style.css

fusion.css

frontend_default.css

frontend_custom.css

genericCommentWrapperV2.js

camera.min.css

imgareaselect-avatar.css

jf_js_login.min.css

template.css