Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

caller-rating.com

Caller-Rating: comprehensive ratings for frequently searched telephone numbers

Page Load Speed

1.8 sec in total

First Response

52 ms

Resources Loaded

1.5 sec

Page Rendered

189 ms

About Website

Welcome to caller-rating.com homepage info - get ready to check Caller Rating best content for Italy right away, or after learning these important things about caller-rating.com

You are looking for ratings and details about a telephone number? The vast database of Caller-Rating helps you to assess numbers. Everyone can do it.

Visit caller-rating.com

Key Findings

We analyzed Caller-rating.com page load time and found that the first response time was 52 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

caller-rating.com performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

caller-rating.com

52 ms

caller-rating.com

243 ms

www.caller-rating.com

385 ms

112 ms

jquery.min.js

29 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 68% of them (17 requests) were addressed to the original Caller-rating.com, 16% (4 requests) were made to Blog.anrufer-bewertung.de and 8% (2 requests) were made to Cmp.inmobi.com. The less responsive or slowest element that took the longest time to load (577 ms) relates to the external source Blog.anrufer-bewertung.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 31.2 kB (21%)

Content Size

149.8 kB

After Optimization

118.6 kB

In fact, the total size of Caller-rating.com main page is 149.8 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. 15% of websites need less resources to load. Images take 69.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.4 kB

  • Original 27.9 kB
  • After minification 26.5 kB
  • After compression 6.5 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 21.4 kB or 77% of the original size.

Image Optimization

-14%

Potential reduce by 9.7 kB

  • Original 69.9 kB
  • After minification 60.2 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, Caller Rating needs image optimization as it can save up to 9.7 kB or 14% 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 79 B

  • Original 52.0 kB
  • After minification 52.0 kB
  • After compression 51.9 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.

Requests Breakdown

Number of requests can be reduced by 6 (27%)

Requests Now

22

After Optimization

16

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Caller Rating. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

caller-rating.com accessibility score

89

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

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.

Impact

Issue

High

Form elements do not have associated labels

Best Practices

caller-rating.com best practices score

67

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

caller-rating.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Caller-rating.com 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 Caller-rating.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

Open Graph description is not detected on the main page of Caller Rating. 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: