Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

Page Load Speed

8.4 sec in total

First Response

694 ms

Resources Loaded

7 sec

Page Rendered

698 ms

semller.tumblr.com screenshot

About Website

Welcome to semller.tumblr.com homepage info - get ready to check Semller Tumblr best content for United States right away, or after learning these important things about semller.tumblr.com

Visit semller.tumblr.com

Key Findings

We analyzed Semller.tumblr.com page load time and found that the first response time was 694 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

semller.tumblr.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value7.3 s

29/100

10%

TBT (Total Blocking Time)

Value3,260 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

semller.tumblr.com

694 ms

pre_tumblelog.js

110 ms

jquery-latest.js

4565 ms

theme.js

1185 ms

tumblelog_post_message_queue.js

113 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 19% of them (10 requests) were addressed to the original Semller.tumblr.com, 20% (11 requests) were made to 41.media.tumblr.com and 17% (9 requests) were made to 40.media.tumblr.com. The less responsive or slowest element that took the longest time to load (4.6 sec) relates to the external source Code.jquery.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 360.1 kB (24%)

Content Size

1.5 MB

After Optimization

1.1 MB

In fact, the total size of Semller.tumblr.com main page is 1.5 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. 50% of websites need less resources to load. Images take 994.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 33.5 kB

  • Original 43.7 kB
  • After minification 42.3 kB
  • After compression 10.3 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 33.5 kB or 77% of the original size.

Image Optimization

-3%

Potential reduce by 34.3 kB

  • Original 994.8 kB
  • After minification 960.5 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. Semller Tumblr images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 291.9 kB

  • Original 465.4 kB
  • After minification 465.0 kB
  • After compression 173.6 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 291.9 kB or 63% of the original size.

CSS Optimization

-59%

Potential reduce by 384 B

  • Original 655 B
  • After minification 655 B
  • After compression 271 B

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. Semller.tumblr.com needs all CSS files to be minified and compressed as it can save up to 384 B or 59% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (17%)

Requests Now

53

After Optimization

44

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Semller Tumblr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

semller.tumblr.com accessibility score

41

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

semller.tumblr.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

semller.tumblr.com SEO score

86

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

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Semller.tumblr.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 Semller.tumblr.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 Semller Tumblr. 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: