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Report generated 2 years ago
https://www.sainsburys.co.uk
Your general SEO Checkup Score
Archived
76/100
SEO Score
Average SEO score of top 100 sites: 75%
This website received an SEO score of 76 out of 100, which is higher than the average score of 75. Our analysis has identified 14 important issues that can be addressed to further enhance your website's performance and improve its search engine visibility.
14 Failed
3 Warnings
56 Passed
Issues to fix
HIGH
It is recommended to avoid URL parameters and to use hyphens to separate words in the URL structure, rather than underscores.
HIGH
Consider using structured data in your webpage as it can help search engines gain a better understanding of your content.
HIGH
To improve the website experience for your visitors, it is recommended to eliminate any render-blocking resources on this webpage.
HIGH
Consider reducing the HTML size to improve loading times and retain visitors.
MEDIUM
Add a sitemap file to help search engine crawlers index content more thoroughly and quickly.
MEDIUM
Add a robots.txt file to properly communicate with web crawlers and prevent unwanted access to sensitive content.
MEDIUM
Serve properly sized images to reduce page loading times and to improve user's experience.
MEDIUM
Avoid using distorted images, as they can have a negative impact on the user experience.
MEDIUM
Add a Google Analytics script to this website to help in diagnosing potential SEO issues by monitoring site visitors and traffic sources.
MEDIUM
Using social media meta tags can improve the appearance and content of shared links on social media platforms, potentially increasing click-through rates and engagement with the page.
MEDIUM
Avoid performance and security issues by adding "rel=noopener" or "rel=noreferrer" to your "target=_blank" links.
LOW
Using more than 20 HTTP requests on a webpage can negatively impact the loading time.
LOW
Consider moving inline CSS styles to an external stylesheet to improve site performance and maintain separation of content and design.
Common SEO issues
Score: 57
Failed: 8
Warnings: 2
Passed: 15
Meta Title Test100% of top 100 sites passed
  • This webpage is using a title tag with a length of 11 characters. While there's no target number of characters, titles should be descriptive and concise. Using a title tag with less than 20 characters is a missed opportunity since it can be difficult to fit all your targeted keywords in such a short text.
    We recommend using a title with a length between 20 - 60 characters in order to fit Google Search results that have a 600-pixel limit.
Text: Sainsbury's
Length: 11 characters
Meta Description Test97% of top 100 sites passed
  • This webpage is using a meta description tag with a length of 148 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).
Text: Shop online at Sainsbury's for groceries, clothing, homewares, electricals, financial services and more. Together we’re helping everyone eat better.
Length: 148 characters
Google Search Results Preview Test
Desktop version
https://www.sainsburys.co.uk/Sainsbury'sShop online at Sainsbury's for groceries, clothing, homewares, electricals, financial services and more. Together we’re helping everyone eat better.
Mobile version
https://www.sainsburys.co.uk/Sainsbury'sShop online at Sainsbury's for groceries, clothing, homewares, electricals, financial services and more. Together we’re helping everyone eat better.
Social Media Meta Tags Test94% of top 100 sites passed
  • This webpage is not using social media meta tags! While this type of meta tags don't affect what people see when they visit the webpage, they exist to provide information about it to search engines and social media platforms.
Most Common Keywords Test
  • There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
19sainsbury13shop8bank8visit7argos
Keywords Usage Test44% of top 100 sites passed
  • The most common keywords of this webpage are distributed well across the important HTML tags. This helps search engines to properly identify the topic of this webpage.
Keyword
Title tag
Meta description
Headings
sainsbury
shop
bank
visit
argos
Keywords Cloud Test
accountaldiappliesapplyargosautumnbankbetterbrandsburstcakecategorycelebrationcentrechargeschopchristmasclearanceclickclothingcollectcolourcontentcookiedaysdealdecemberdelivereddeliverydifferencediningdrinkeasyenergyexclusionsfamilyfantasticfavouritesfeedfiverflexiblefoodfurnituregrocerieshabitathelphelpinghomewaresinsuranceloanslocatorlowermainmatchmealminutesmoneynectaroccasionsoffersonlineorderpassplatterspolicypricepricesprivacyproductsquickrangeratereadyrecipesrefreshsainsburysalesandwichsaversearchshopshoppingskipslotsspacespringstoretastetermthursdaytimetransformtraveltreatvalueviewvisitwaysweekwomen
Competitor Domains Test
Understand your competitors' SEO and backlink profile

Get related competitors and their domain authority score in relation to your domain.

Heading Tags Test57% of top 100 sites passed
  • This webpage contains headings tags.
H1 tags
Sainsbury's.sainsburys-cls-1{fill:none;}.sainsburys-cls-2{fill:#1d1d1b;}.sainsburys-cls-3{clip-path:url(#clip-path-sainsburys);}.sainsburys-cls-4{fill:#008035;}.sainsburys-cls-5{fill:#f59f00;}.sainsburys-cls-6{fill:#e20613;}
H2 tags
Lower prices with Nectar
Ways to shop with us at Sainsbury's
Shop fantastic offers from our brands
Don't miss...
More ways to save with Sainsbury's
Robots.txt Test99% of top 100 sites passed
  • This website lacks a "robots.txt" file. This file can protect private content from appearing online, save bandwidth, and lower load time on your server. A missing "robots.txt" file also generates additional errors in your apache log whenever robots request one. Read more about the robots.txt file, and how to create one for your site.
Sitemap Test80% of top 100 sites passed
  • This website lacks a sitemap file! Sitemaps can help robots index your content more thoroughly and quickly. Read more on Google's guidelines for implementing the sitemap protocol.
SEO Friendly URL Test29% of top 100 sites passed
  • This webpage contains URLs that are not SEO friendly!
See results list
Image Alt Test76% of top 100 sites passed
  • All "img" tags from this webpage have the required "alt" attribute.
Responsive Image Test31% of top 100 sites passed
  • Not all images in this webpage are properly sized! This webpage is serving images that are larger than needed for the size of the user's viewport.
See results list
Image Aspect Ratio Test68% of top 100 sites passed
  • Not all image display dimensions match the natural aspect ratio! Fix aspect ratio issues to avoid distorted images on this website!
See results list
Inline CSS Test10% of top 100 sites passed
  • This webpage is using inline CSS styles!
See results list
Deprecated HTML Tags Test92% of top 100 sites passed
  • This webpage does not use HTML deprecated tags.
Google Analytics Test73% of top 100 sites passed
  • A Google Analytics script is not detected on this page. While there are several tools available to monitor your site's visitors and traffic sources, Google Analytics is a free, commonly recommended program to help diagnose potential SEO issues.
Favicon Test100% of top 100 sites passed
  • favicon
    This website appears to have a favicon.
JS Error Test58% of top 100 sites passed
  • There are no severe JavaScript errors on this webpage.
Console Errors Test32% of top 100 sites passed
  • This webpage doesn't have any warnings or errors caught by the Chrome DevTools Console.
Charset Declaration Test98% of top 100 sites passed
  • This webpage has a character encoding declaration.
meta charset="utf-8"
Social Media Test64% of top 100 sites passed
  • This webpage is connected successfully with social media using:
Facebook Twitter 
Speed optimizations
Score: 85
Failed: 3
Warnings: 1
Passed: 21
HTML Page Size Test17% of top 100 sites passed
DOM Size Test56% of top 100 sites passed
  • The Document Object Model (DOM) of this webpage has 819 nodes which is less than the recommended value of 1,500 nodes.
HTML Compression/GZIP Test97% of top 100 sites passed
  • This webpage is successfully compressed using gzip compression on your code. The HTML code is compressed from 662.38 Kb to 85.44 Kb (87% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test68% of top 100 sites passed
  • The loading time of this webpage (measured from N. Virginia, US) is around 1.26 seconds and this is under the average loading speed which is 5 seconds.
Accurate loading speed and website loading speed monitor

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JS Execution Time Test78% of top 100 sites passed
  • The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
  • This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
Content size by content type
Content type
Percent
Size
image
52.6 %
932.84 Kb
javascript
38.7 %
686.36 Kb
html
5.2 %
92.53 Kb
other
3.5 %
62.25 Kb
css
0.0 %
0 B
font
0.0 %
0 B
TOTAL
100%
1.73 Mb
Requests by content type
Content type
Percent
Requests
image
71.4 %
40
javascript
19.6 %
11
other
7.1 %
4
html
1.8 %
1
css
0.0 %
0
font
0.0 %
0
TOTAL
100%
56
Content size by domain
Domain
Percent
Size
media.4rgos.it
52.6 %
932.53 Kb
sainsburys.co.uk
41.5 %
736.17 Kb
tags.tiqcdn.com
4.8 %
85.33 Kb
js-agent.newrelic.com
1.1 %
19.16 Kb
bam.nr-data.net
0.0 %
814 B
TOTAL
100%
1.73 Mb
Requests by domain
Domain
Percent
Requests
media.4rgos.it
69.6 %
39
sainsburys.co.uk
21.4 %
12
tags.tiqcdn.com
3.6 %
2
bam.nr-data.net
3.6 %
2
js-agent.newrelic.com
1.8 %
1
TOTAL
100%
56
Page Cache Test (Server Side Caching)100% of top 100 sites passed
  • This webpage is using a caching mechanism. Caching helps speed page loading times as well as reduces server load.
Flash Test100% of top 100 sites passed
  • This webpage does not include flash objects (an outdated technology that was sometimes used to deliver rich multimedia content). Flash content does not work well on mobile devices, and is difficult for crawlers to interpret.
CDN Usage Test96% of top 100 sites passed
  • This webpage is not serving all resources (images, javascript and css) from CDNs!
See results list
Modern Image Format Test26% of top 100 sites passed
  • This webpage is using images in a modern format.
Image Metadata Test69% of top 100 sites passed
  • This webpage is not using images with large metadata.
Image Caching Test98% of top 100 sites passed
  • This webpage is not using uncached images from same domain.
JavaScript Caching Test96% of top 100 sites passed
  • This webpage is using cache headers for all JavaScript resources.
CSS Caching Test98% of top 100 sites passed
  • This webpage is not using uncached CSS resources from same domain!
JavaScript Minification Test99% of top 100 sites passed
  • All JavaScript files used by this webpage are minified.
See results list
CSS Minification Test100% of top 100 sites passed
  • This webpage is not using CSS resources from the same domain.
See results list
Render Blocking Resources Test14% of top 100 sites passed
  • This webpage is using render blocking resources! Eliminating render-blocking resources can help this webpage to load significantly faster and will improve the website experience for your visitors.
See results list
Nested Tables Test99% of top 100 sites passed
  • This webpage is not using nested tables. This speeds up page loading time and optimizes the user experience.
Frameset Test100% of top 100 sites passed
  • This webpage does not use frames.
Doctype Test100% of top 100 sites passed
  • This webpage has a doctype declaration.
<!DOCTYPE html>
URL Redirects Test97% of top 100 sites passed
  • This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Time To First Byte Test98% of top 100 sites passed
  • The Time To First Byte value of this webpage is 0.065 seconds. To provide a good user experience, Google recommends that sites should strive to have a TTFB of 0.8 seconds or less.

0.065 s

0.8 s

1.8 s

First Contentful Paint Test97% of top 100 sites passed
  • The First Contentful Paint value of this webpage is 0.357 seconds. To provide a good user experience, Google recommends that sites should strive to have a First Contentful Paint value of 1.8 seconds or less.

0.357 s

1.8 s

3 s

Largest Contentful Paint Test92% of top 100 sites passed
  • The Largest Contentful Paint duration of this webpage is 0.51 seconds. To provide a good user experience, Google recommends that sites should strive to have Largest Contentful Paint of 2.5 seconds or less.

0.51 s

2.5 s

4 s

Largest Contentful Paint element within the viewport:
<img src="//media.4rgos.it/i/Argos/scatterwk31_js_n_necpri_p..." width="100%" height="100%" alt="Lower prices with Nectar." data-test="component-image" loading="auto">
Cumulative Layout Shift Test94% of top 100 sites passed
  • The CLS score of this webpage is 0.0041. To provide a good user experience, Google recommends that sites should strive to have a CLS score of 0.1 or less.

0.0041

0.1

0.25

DOM element which contributes the most to CLS score:
Text: Ways to shop with us at Sainsbury's We’ve got even more £1 saver slots *Applie...
Html: <section>
Score: 0.0041
Server and security
Score: 93
Failed: 1
Warnings: 0
Passed: 9
URL Canonicalization Test96% of top 100 sites passed
SSL Checker and HTTPS Test100% of top 100 sites passed
  • This website is successfully using HTTPS, a secure communication protocol over the Internet.

The certificate is not used before the activation date.

The certificate has not expired.

The hostname "www.sainsburys.co.uk" is correctly listed in the certificate.

The certificate should be trusted by all major web browsers.

The certificate was not revoked.

The certificate was signed with a secure hash.

Certificate Chain:
Server certificate
Common name
www.sainsburys.co.uk
Organization
Sainsbury's Supermarkets Ltd
Location
Coventry, GB
Subject Alternative Names (SANs)
www.sainsburys.co.uk, sainsburys.co.uk, recipes.sainsburys.co.uk, www.sainsburys.com
Not valid before
Tue, March 28o 2023, 1:22:28 pm (z)
Not valid after
Sat, March 30o 2024, 1:22:28 pm (z)
Signature algorithm
sha256WithRsaEncryption
Issuer
Entrust Certification Authority - L1K
Intermediate certificate
Common name
Entrust Certification Authority - L1K
Organization
Entrust, Inc.
Location
US
Not valid before
Mon, October 5o 2015, 7:13:56 pm (z)
Not valid after
Thu, December 5o 2030, 7:43:56 pm (z)
Signature algorithm
sha256WithRsaEncryption
Issuer
Entrust Root Certification Authority - G2
Root certificate
Common name
Entrust Root Certification Authority - G2
Organization
Entrust, Inc.
Location
US
Not valid before
Tue, July 7o 2009, 5:25:54 pm (z)
Not valid after
Sat, December 7o 2030, 5:55:54 pm (z)
Signature algorithm
sha256WithRsaEncryption
Issuer
Entrust Root Certification Authority - G2
Mixed Content Test (HTTP over HTTPS)98% of top 100 sites passed
  • This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test95% of top 100 sites passed
  • This webpage is using the HTTP/2 protocol.
HSTS Test85% of top 100 sites passed
  • This webpage is using the Strict-Transport-Security header.
strict-transport-security: max-age=86400 ; includesubdomains
Safe Browsing Test100% of top 100 sites passed
  • This website is not currently listed as suspicious (no malware or phishing activity found).
Server Signature Test98% of top 100 sites passed
  • The server signature is off for this webpage.
Directory Browsing Test100% of top 100 sites passed
  • Directory browsing is disabled for this website.
Plaintext Emails Test99% of top 100 sites passed
  • This webpage does not include email addresses in plaintext.
Mobile usability
Score: 100
Failed: 0
Warnings: 0
Passed: 3
Meta Viewport Test90% of top 100 sites passed
  • This webpage is using a viewport meta tag.
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
Media Query Responsive Test100% of top 100 sites passed
  • This webpage is using CSS media queries, which is the base for responsive design functionalities.
Mobile Snapshot Test
Mobile view
Advanced SEO
Score: 65
Failed: 2
Warnings: 0
Passed: 8
Structured Data Test66% of top 100 sites passed
Custom 404 Error Page Test78% of top 100 sites passed
  • This website is using a custom 404 error page. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Noindex Tag Test100% of top 100 sites passed
  • This webpage does not use the noindex meta tag. This means that it can be indexed by search engines.
Canonical Tag Test96% of top 100 sites passed
  • This webpage is using the canonical link tag. This tag specifies that the URL: https://www.sainsburys.co.uk/ is preferred to be used in search results. Please ensure that this specification is correct, as canonical tags are often hard-coded and may not always reflect the latest changes in a site's URL structure.
<link data-react-helmet="true" href="https://www.sainsburys.co.uk" rel="canonical"/>
Nofollow Tag Test
  • This webpage does not use the nofollow meta tag. This means that search engines will crawl all links from this webpage.
Disallow Directive Test
  • This website lacks a "robots.txt" file. This file can protect private content from appearing online, save bandwidth, and lower load on your server. A missing "robots.txt" file also generates additional errors in your apache log whenever robots request one.
Meta Refresh Test96% of top 100 sites passed
  • This webpage is not using a meta refresh tag.
SPF Records Test97% of top 100 sites passed
  • This DNS server is using an SPF record.
v=spf1 include:spf-0059c002.pphosted.com include:mail.zendesk.com include:spf_c.oraclecloud.com include:spf-000ff402.pphosted.com a:smtp.info-exchange.com include:_spf.psm.knowbe4.com ~all
Ads.txt Validation Test66% of top 100 sites passed
  • The access to the ads.txt file is restricted! Our request for this resource has returned a {status_code} HTTP status code. In order for this resource to be easily accessed by the DSPs and advertisers, its status code should be 200 OK.
Spell Check Test
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Finding and fixing misspellings on your webpage will help both user experience and search engine rankings.

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