Tools & Wizards About Us
blog.tello.co.uk screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

blog.tello.co.uk

International calls, calling plans & mobile recharges | KeepCalling

Page Load Speed

1.6 sec in total

First Response

543 ms

Resources Loaded

889 ms

Page Rendered

146 ms

blog.tello.co.uk screenshot

About Website

Welcome to blog.tello.co.uk homepage info - get ready to check Blog Tello best content for United Kingdom right away, or after learning these important things about blog.tello.co.uk

Premium quality international calls with no extra fees. Buy a calling plan and get the best rates for landline & mobile calls or send mobile recharges online.

Visit blog.tello.co.uk

Key Findings

We analyzed Blog.tello.co.uk page load time and found that the first response time was 543 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

blog.tello.co.uk performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.2 s

99/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

blog.tello.co.uk

543 ms

minify.php

46 ms

logo.png

275 ms

bg_cross_pattern.png

18 ms

bg_noise_pattern.jpg

30 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 88% of them (7 requests) were addressed to the original Blog.tello.co.uk, 13% (1 request) were made to Keepcalling.com. The less responsive or slowest element that took the longest time to load (543 ms) belongs to the original domain Blog.tello.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 kB (3%)

Content Size

79.2 kB

After Optimization

77.2 kB

  • HTML
  • Images

In fact, the total size of Blog.tello.co.uk main page is 79.2 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 75.8 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 2.0 kB

  • Original 3.5 kB
  • After minification 3.3 kB
  • After compression 1.4 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 2.0 kB or 59% of the original size.

Image Optimization

-0%

Potential reduce by 6 B

  • Original 75.8 kB
  • After minification 75.8 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. Blog Tello images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blog Tello. According to our analytics all requests are already optimized.

Network Requests Diagram

blog.tello.co.uk

blog.tello.co.uk

543 ms

minify.php

minify.php

46 ms

logo.png

logo.png

275 ms

bg_cross_pattern.png

bg_cross_pattern.png

18 ms

bg_noise_pattern.jpg

bg_noise_pattern.jpg

30 ms

logo.png

logo.png

31 ms

migrating_page_preview.png

migrating_page_preview.png

56 ms

methods_of_calling.png

methods_of_calling.png

34 ms

Accessibility Review

blog.tello.co.uk accessibility score

52

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

The document uses <meta http-equiv="refresh">

Best Practices

blog.tello.co.uk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

blog.tello.co.uk SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Blog.tello.co.uk 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 Blog.tello.co.uk 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

blog.tello.co.uk

Open Graph description is not detected on the main page of Blog Tello. 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: