Is your slow Yii web application causing you to lose organic traffic and conversions? Your Yii website is only as good as the performance it delivers. So, to attract and retain visitors, you must ensure that your Yii website is optimized for the best performance. W3SpeedUp can help you with Yii performance optimization.
Super-fast Yii websites, with W3SpeedUp!
Yii is a fast, secure, and efficient PHP framework. It provides maximum possible functionality by adding the least possible overhead. With Yii, you can write more code in less time with simple yet powerful APIs and code generation.
Irrespective of its efficiency, your Yii website can still run into performance snags along the way. Studies show that an increase in page speed by 1 second can cause conversions to drop by 7%. So, you must optimize the speed and performance of your Yii website so that you do not lose business. We are here to help you speed up your Yii web application!


Is your Yii web application not getting traffic and conversions like it used to? Are you bothered by the fall in revenue from your Yii website? Chances are that your Yii web application has become slow and it’s driving away your potential customers.
We can help you speed up your Yii website to help you attract more visitors, convert more, rank better, and increase revenue. It’s the small things that sometimes make a big difference. We can help you get your Yii web app to load under 3 seconds and that’s our guarantee!

Our developers will evaluate your existing Yii website status and identify opportunities for improvement.
Once we’re done analyzing your Yii website, we’ll share the analysis report with you that includes improvement recommendations.
Depending on your Yii site analysis and the recommendations, we’ll create a project implementation roadmap for speed optimization.
Based on our findings and your budget, we’ll help you choose the pricing plan that is right for you. Every plan has its own advantages.
When we’re done with selecting the plan and discussing requirements, we’ll appoint a dedicated developer for your Yii website optimization.
When we’re done with your Yii speed optimization, we’ll share the improvement reports which will reflect data from popular page speed analysis tools.
We take your Yii site speed score from 0 to 90+ without making any change to the design or functionality. With a lot of hard work, we have learned the best practices to move the Yii page speed score in the 90s. We consider the results of Google Pagespeed Insights, Pingdom, & GTMetrix tools to ensure that your page doesn’t have any kind of issues that cause loading time delay. We also make sure that the speed scores go a long way until you make any major site changes in the future.


We have a highly capable team of qualified professionals & developers who can handle any task that you have for us. This is why we guarantee our clients 90% plus result in Google PageSpeed Insights & a page speed load time of 3 seconds or less in GTMetrix.
Having optimized over a thousand websites, we are yet to come across a website that we cannot optimize. So, you can trust us with your website, and we guarantee that we will get it to load in under 3 seconds.

Slow loading times that frustrate users
Less traffic which could be holding your business back
Fewer Return Visitors
Lower Conversions
High Bounce Rates
FAST website that keeps users search engines happy
INCREASE in traffic
IMPROVED Customer Retention
INCREASED Conversions
LOWER Bounce Rates
Best for: Teams whose Yii application is efficient on paper and slow for visitors. Choose Basic when you need a B grade on GTmetrix, a 70+ mobile PageSpeed score, and a 4 second GTmetrix load target.
Ideal for: A Yii web application that still needs a measured speed project
Choose this if: Those listed targets are enough for the site you have now.
Choose a higher plan if: You need an A grade on GTmetrix and an 80+ mobile PageSpeed score, which Advance lists and this card does not.
Best for: Yii products that need the Advance card’s stronger grade and load target. Choose Advance when you need an A grade on GTmetrix, an 80+ mobile PageSpeed score, and a 3 second GTmetrix load target.
Ideal for: A Yii web application that still needs a measured speed project that has outgrown the Basic target
Choose this if: Those listed targets are enough for the site you have now.
Choose a higher plan if: You need a Core Web Vitals target with LCP under 3 seconds and all Web Vitals green on GTmetrix, which Expert lists and this card does not.
Choose a lower plan if: A B grade on GTmetrix and a 70+ mobile PageSpeed score is enough. That is what Basic lists.
Best for: Yii applications under real traffic that need the Expert Core Web Vitals line. Choose Expert when you need a Core Web Vitals target with LCP under 3 seconds, all Web Vitals green on GTmetrix, and a 90+ mobile PageSpeed score.
Ideal for: A Yii web application that still needs a measured speed project that needs the strongest target in this group
Choose this if: Those listed targets are enough for the site you have now.
Choose a lower plan if: An A grade on GTmetrix and an 80+ mobile PageSpeed score is enough. That is what Advance lists.
Best for: Yii teams that keep generating code and shipping features. The one-month card lists the same upkeep as the other terms, including a 15-day optimization report and fixes for optimization issues. The cards differ by length, not by a different task list.
Ideal for: Trying maintenance for a single month after the first optimization.
Choose this if: You want that same upkeep for a one-month term.
Choose a higher plan if: You want the same listed tasks for a longer term, which is 3 Month.
Best for: Yii teams that keep generating code and shipping features. The three-month card lists the same upkeep as the other terms, including a 15-day optimization report and fixes for optimization issues. The cards differ by length, not by a different task list.
Ideal for: A quarter of releases, campaigns, or content changes.
Choose this if: You want that same upkeep for a three-month term.
Choose a higher plan if: You want the same listed tasks for a longer term, which is 12 Month.
Choose a lower plan if: You want the same listed tasks for a shorter term, which is 1 month.
Best for: Yii teams that keep generating code and shipping features. The twelve-month card lists the same upkeep as the other terms, including a 15-day optimization report and fixes for optimization issues. The cards differ by length, not by a different task list.
Ideal for: A full year of updates, without renewing a short plan.
Choose this if: You want that same upkeep for a twelve-month term.
Choose a lower plan if: You want the same listed tasks for a shorter term, which is 3 Month.
Best for: New Yii applications that need a small primary-keyword foundation. The Basic card is marked for new websites and basic SEO improvements, and it lists 5-10 Primary Keywords and basic keyword research.
Ideal for: A new or simple site that is not ready for a large content and link program.
Choose this if: You need 5-10 Primary Keywords and basic keyword research, which this card lists and the other SEO cards do not list in the same way.
Choose a higher plan if: You need competitive websites that need to grow and 50 backlinks a month, which Advance lists and this card does not.
Best for: Yii products that need in-depth keyword research beyond the starter list. The Advance card is marked for competitive websites that need to grow, and it lists in-depth and LSI keyword research and 50 backlinks a month.
Ideal for: A site that needs deeper keyword research and the monthly link work listed on this card.
Choose this if: You need in-depth and LSI keyword research and 50 backlinks a month, which this card lists and the other SEO cards do not list in the same way.
Choose a higher plan if: You need high-competition businesses that are building authority and 100 backlinks a month, which Expert lists and this card does not.
Choose a lower plan if: New websites and basic SEO improvements and 5-10 Primary Keywords is enough. That is what Basic lists.
Best for: Yii companies competing for broad topics and authority links. The Expert card is marked for high-competition businesses that are building authority, and it lists advanced topic-cluster keyword research and 100 backlinks a month.
Ideal for: A site that needs topic clusters, more content, and the larger link effort listed on this card.
Choose this if: You need advanced topic-cluster keyword research and 100 backlinks a month, which this card lists and the other SEO cards do not list in the same way.
Choose a lower plan if: Competitive websites that need to grow and 50 backlinks a month is enough. That is what Advance lists.
Best for: Yii apps that need a passed Core Web Vitals assessment maintained. The one-month card lists the same Core Web Vitals upkeep as the other terms, including Core Web Vitals maintained in Search Console and 90% of URLs kept in the good range. You are choosing how long that cover lasts.
Ideal for: A first month of watching Core Web Vitals after the fix.
Choose this if: You want Core Web Vitals maintenance for a one-month term, not a different set of tasks.
Choose a higher plan if: You want the same listed tasks for a longer term, which is 3 Month.
Best for: Yii apps that need a passed Core Web Vitals assessment maintained. The three-month card lists the same Core Web Vitals upkeep as the other terms, including Core Web Vitals maintained in Search Console and 90% of URLs kept in the good range. You are choosing how long that cover lasts.
Ideal for: A quarter in which the site will keep changing.
Choose this if: You want Core Web Vitals maintenance for a three-month term, not a different set of tasks.
Choose a higher plan if: You want the same listed tasks for a longer term, which is 12 Month.
Choose a lower plan if: You want the same listed tasks for a shorter term, which is 1 Month.
Best for: Yii apps that need a passed Core Web Vitals assessment maintained. The twelve-month card lists the same Core Web Vitals upkeep as the other terms, including Core Web Vitals maintained in Search Console and 90% of URLs kept in the good range. You are choosing how long that cover lasts.
Ideal for: A year of holding a passed Core Web Vitals assessment.
Choose this if: You want Core Web Vitals maintenance for a twelve-month term, not a different set of tasks.
Choose a lower plan if: You want the same listed tasks for a shorter term, which is 3 Month.
Best for: Yii apps whose wait is in PHP, the database, or server response. This Expert option lists server configuration tuning, CDN integration, and PHP code optimization.
Ideal for: a Yii web application that still needs a measured speed project
Choose this if: The slowdown is server response, PHP, the database, caching, or CDN setup, which is what this card lists.
Best for: Yii sites with poor URLs in Google Search Console. This Expert option lists a guarantee to fix 90% of poor Search Console URLs, a passed Core Web Vitals assessment, and a 90+ desktop PageSpeed score.
Ideal for: a Yii web application that still needs a measured speed project
Choose this if: Search Console is showing poor URLs and you want the one-time fix described on this card.
This table compares the Speed Optimization options already listed on this page. Each column is one plan card. Prices, limits, and inclusions are copied from those cards only.
| Comparison item | Basic | Advance | Expert |
|---|---|---|---|
| Current price on the card | 540 USD, One Time Cost | 640 USD, One Time Cost | 750 USD, One Time Cost |
| Crossed-out price shown on the card | 600 USD | 800 USD | 1000 USD |
| B Grade on Gtmetrix | Listed | — | — |
| 90+ Google Desktop Speed Test | Listed | Listed | Listed |
| 70+ Google Mobile Speed Test | Listed | — | — |
| 4 secs Load time on Gtmetrix | Listed | — | — |
| Same design and functionality | Listed | Listed | Listed |
| Detailed SEO Audit Report | Listed | Listed | Listed |
| A Grade on Gtmetrix | — | Listed | — |
| 80+ Google Mobile Speed Test | — | Listed | — |
| 3 secs Load time on Gtmetrix | — | Listed | — |
| Core Web Vitals(LCP will be less than 3s) | — | — | Listed |
| A Grade with all Web Vitals green on Gtmetrix | — | — | Listed |
| 90+ Google Mobile Speed Test | — | — | Listed |
| 2 secs Load time on Gtmetrix | — | — | Listed |
| Pricing link on the card | https://w3speedup.com/product/yii-website-basic-optimization//?add-to-cart=75248 | https://w3speedup.com/product/yii-website-advance-optimization//?add-to-cart=75249 | https://w3speedup.com/product/yii-website-expert-optimization//?add-to-cart=75250 |
Key differences: Basic is listed at 540 USD, One Time Cost (crossed-out price on the card: 600 USD). Advance is listed at 640 USD, One Time Cost (crossed-out price on the card: 800 USD). Expert is listed at 750 USD, One Time Cost (crossed-out price on the card: 1000 USD). Items that are not listed on every plan: B Grade on Gtmetrix (Basic); 70+ Google Mobile Speed Test (Basic); 4 secs Load time on Gtmetrix (Basic); A Grade on Gtmetrix (Advance); 80+ Google Mobile Speed Test (Advance); 3 secs Load time on Gtmetrix (Advance); Core Web Vitals(LCP will be less than 3s) (Expert); A Grade with all Web Vitals green on Gtmetrix (Expert); plus 2 more rows in the table. A dash in the table means that line is not printed on that plan card. It is not an extra exclusion unless the card itself says “No”.
This table compares the Optimization Maintenance options already listed on this page. Each column is one plan card. Prices, limits, and inclusions are copied from those cards only.
| Comparison item | 1 month | 3 Month | 12 Month |
|---|---|---|---|
| Current price on the card | 100 USD | 250 USD | 800 USD |
| Crossed-out price shown on the card | 125 USD | 375 USD | 1500 USD |
| 15-Day Optimization Report | Listed | Listed | Listed |
| Resolve Optimization Issues | Listed | Listed | Listed |
| Regular Performance Audits | Listed | Listed | Listed |
| Maintain PSI Scores as per Plan | Listed | Listed | Listed |
| Maintain GTmetrix Scores as per Plan | Listed | Listed | Listed |
| Instant Chat Support | Listed | Listed | Listed |
| Pricing link on the card | https://w3speedup.com/product/yii-site-maintenance-1-months//?add-to-cart=75291 | https://w3speedup.com/product/yii-site-maintenance-3-months//?add-to-cart=75293 | https://w3speedup.com/product/yii-site-maintenance-12-months//?add-to-cart=75294 |
Key differences: 1 month is listed at 100 USD (crossed-out price on the card: 125 USD). 3 Month is listed at 250 USD (crossed-out price on the card: 375 USD). 12 Month is listed at 800 USD (crossed-out price on the card: 1500 USD). Every plan card in this group lists the same inclusions (6 items). The difference published on the page is the plan name and the price. A dash in the table means that line is not printed on that plan card. It is not an extra exclusion unless the card itself says “No”.
This table compares the SEO options already listed on this page. Each column is one plan card. Prices, limits, and inclusions are copied from those cards only.
| Comparison item | Basic | Advance | Expert |
|---|---|---|---|
| Current price on the card | 200 USD, Monthly Cost | 500 USD, Monthly Cost | 1080 USD, Monthly Cost |
| Crossed-out price shown on the card | 250 USD | 625 USD | 1200 USD |
| For new websites and basic SEO improvements. | Listed | — | — |
| Keyword Count: 5-10 Primary Keywords | Listed | — | — |
| Strategy : General keywords only | Listed | — | — |
| Example : "Best Sneakers for Men" | Listed | — | — |
| SEO Audit & Competitor Analysis | Listed | Listed | Listed |
| On-Page SEO (Title, Meta, Headings) | Listed | Listed | Listed |
| Basic Keyword Research | Listed | — | — |
| URL Structure & Permalink Optimization | Listed | Listed | Listed |
| XML Sitemap & Robots.txt Optimization | Listed | Listed | Listed |
| Google Search Console & GA4 Setup | Listed | Listed | Listed |
| Image Optimization (Alt Tags, Compression) | Listed | Listed | Listed |
| Internal Linking Strategy: Foundation and Essential Structure | Listed | — | — |
| Service Include: Primary Navigation Menus Footer Links | Listed | — | — |
| Focuses on setting up essential navigational elements like menus and footers | Listed | — | — |
| No Page Speed Optimization | Listed | — | — |
| No Schema Markup (Rich Snippets, Breadcrumbs, FAQ) | Listed | — | — |
| No Content Optimization (Blogs & Pages) | Listed | — | — |
| No Link Building Strategy | Listed | — | — |
| No Guest Post | Listed | — | — |
| No Local SEO (Google My Business, NAP Consistency) | Listed | — | — |
| No Competitor Backlink Analysis | Listed | — | — |
| No Conversion Rate Optimization (CRO) & UX | Listed | — | — |
| No Monthly SEO Report & Consultation Call | Listed | — | — |
| Competitive websites needing growth | — | Listed | — |
| In-depth & LSI Keywords Keyword Research | — | Listed | — |
| Implement LLMs.txt for AI Crawling | — | Listed | Listed |
| 90+ PageSpeed Score | — | Listed | Listed |
| Schema Markup (Rich Snippets, Breadcrumbs, FAQ) | — | Listed | — |
| Monthly 2 Blog Publishing | — | Listed | — |
| 50 Backlinks per Month | — | Listed | — |
| 1 Paid Guest Post from High DA website (Monthly) | — | Listed | — |
| Local SEO (Google My Business, NAP Consistency) | — | Listed | Listed |
| Competitor Backlink Analysis | — | Listed | Listed |
| Conversion Rate Optimization (CRO) & UX | — | Listed | — |
| Monthly SEO Report & Consultation Call | — | Listed | Listed |
| High-competition businesses & authority building | — | — | Listed |
| Advanced & Topic Clusters Keyword Research | — | — | Listed |
| Custom Schema Implementation | — | — | Listed |
| Monthly 4-5 Blog Publishing | — | — | Listed |
| 100 Backlinks per Month | — | — | Listed |
| 2 Paid Guest Post from High DA website (Monthly) | — | — | Listed |
| Conversion Rate Optimization (CRO) & UX Suggestions | — | — | Listed |
| Pricing link on the card | https://w3speedup.com/product/yii-site-seo-basic//?add-to-cart=75378 | https://w3speedup.com/product/yii-site-seo-advance//?add-to-cart=75379 | https://w3speedup.com/product/yii-site-seo-expert//?add-to-cart=75380 |
Key differences: Basic is listed at 200 USD, Monthly Cost (crossed-out price on the card: 250 USD). Advance is listed at 500 USD, Monthly Cost (crossed-out price on the card: 625 USD). Expert is listed at 1080 USD, Monthly Cost (crossed-out price on the card: 1200 USD). Items that are not listed on every plan: For new websites and basic SEO improvements. (Basic); Keyword Count: 5-10 Primary Keywords (Basic); Strategy : General keywords only (Basic); Example : "Best Sneakers for Men" (Basic); Basic Keyword Research (Basic); Internal Linking Strategy: Foundation and Essential Structure (Basic); Service Include: Primary Navigation Menus Footer Links (Basic); Focuses on setting up essential navigational elements like menus and footers (Basic); plus 28 more rows in the table. The cards describe who each option is for: Basic: For new websites and basic SEO improvements. Advance: Competitive websites needing growth Expert: High-competition businesses & authority building A dash in the table means that line is not printed on that plan card. It is not an extra exclusion unless the card itself says “No”.
This table compares the CWV Maintenance options already listed on this page. Each column is one plan card. Prices, limits, and inclusions are copied from those cards only.
| Comparison item | 1 Month | 3 Month | 12 Month |
|---|---|---|---|
| Current price on the card | 150 USD | 400 USD | 1200 USD |
| Crossed-out price shown on the card | 190 USD | 570 USD | 2280 USD |
| Maintain 90% Good URLs | Listed | Listed | Listed |
| Maintain Core Web Vitals on GSC | Listed | Listed | Listed |
| Ensure CWV Assessment: Passed | Listed | Listed | Listed |
| Maintain 90+ Scores on Mobile & Desktop | Listed | Listed | Listed |
| Maintain A Grade on GTmetrix | Listed | Listed | Listed |
| Instant Chat Support | Listed | Listed | Listed |
| Pricing link on the card | https://w3speedup.com/product/yii-cwv-maintenance-1-month//?add-to-cart=75483 | https://w3speedup.com/product/yii-cwv-maintenance-3-months//?add-to-cart=75493 | https://w3speedup.com/product/yii-cwv-maintenance-12-months//?add-to-cart=75502 |
Key differences: 1 Month is listed at 150 USD (crossed-out price on the card: 190 USD). 3 Month is listed at 400 USD (crossed-out price on the card: 570 USD). 12 Month is listed at 1200 USD (crossed-out price on the card: 2280 USD). Every plan card in this group lists the same inclusions (6 items). The difference published on the page is the plan name and the price. A dash in the table means that line is not printed on that plan card. It is not an extra exclusion unless the card itself says “No”.
Basic
Advance
1 month
Services Include:
15-Day Optimization Report
Resolve Optimization Issues
Regular Performance Audits
Maintain PSI Scores as per Plan
Maintain GTmetrix Scores as per Plan
Instant Chat Support
3 Month
Services Include:
15-Day Optimization Report
Resolve Optimization Issues
Regular Performance Audits
Maintain PSI Scores as per Plan
Maintain GTmetrix Scores as per Plan
Instant Chat Support
12 Month
Services Include:
15-Day Optimization Report
Resolve Optimization Issues
Regular Performance Audits
Maintain PSI Scores as per Plan
Maintain GTmetrix Scores as per Plan
Instant Chat Support
Basic
Services Include:
For new websites and basic SEO improvements.
Keyword Count: 5-10 Primary Keywords
Strategy : General keywords only
Example : "Best Sneakers for Men"
SEO Audit & Competitor Analysis
On-Page SEO (Title, Meta, Headings)
Basic Keyword Research
URL Structure & Permalink Optimization
XML Sitemap & Robots.txt Optimization
Google Search Console & GA4 Setup
Image Optimization (Alt Tags, Compression)
Internal Linking Strategy: Foundation and Essential Structure
Service Include: Primary Navigation Menus
Footer Links
Focuses on setting up essential navigational elements like menus and footers
No Page Speed Optimization
No Schema Markup (Rich Snippets, Breadcrumbs, FAQ)
No Content Optimization (Blogs & Pages)
No Link Building Strategy
No Guest Post
No Local SEO (Google My Business, NAP Consistency)
No Competitor Backlink Analysis
No Conversion Rate Optimization (CRO) & UX
No Monthly SEO Report & Consultation Call
Advance
Services Include:
Competitive websites needing growth
SEO Audit & Competitor Analysis
On-Page SEO (Title, Meta, Headings)
In-depth & LSI Keywords Keyword Research
URL Structure & Permalink Optimization
XML Sitemap & Robots.txt Optimization
Implement LLMs.txt for AI Crawling
Google Search Console & GA4 Setup
Image Optimization (Alt Tags, Compression)
90+ PageSpeed Score
Schema Markup (Rich Snippets, Breadcrumbs, FAQ)
Monthly 2 Blog Publishing
50 Backlinks per Month
1 Paid Guest Post from High DA website (Monthly)
Local SEO (Google My Business, NAP Consistency)
Competitor Backlink Analysis
Conversion Rate Optimization (CRO) & UX
Monthly SEO Report & Consultation Call
Expert
Services Include:
High-competition businesses & authority building
SEO Audit & Competitor Analysis
On-Page SEO (Title, Meta, Headings)
Advanced & Topic Clusters Keyword Research
URL Structure & Permalink Optimization
XML Sitemap & Robots.txt Optimization
Implement LLMs.txt for AI Crawling
Google Search Console & GA4 Setup
Image Optimization (Alt Tags, Compression)
90+ PageSpeed Score
Custom Schema Implementation
Monthly 4-5 Blog Publishing
100 Backlinks per Month
2 Paid Guest Post from High DA website (Monthly)
Local SEO (Google My Business, NAP Consistency)
Competitor Backlink Analysis
Conversion Rate Optimization (CRO) & UX Suggestions
Monthly SEO Report & Consultation Call
Expert
Services Include:
Server configuration tuning
CDN integration
PHP code optimization
Database optimization
Optimize Front-end Assets
Efficient Error Handling
Guaranteed less than 3 seconds load time or atleast 50% improvement in server response time.
Expert
1 Month
Services Include:
Maintain 90% Good URLs
Maintain Core Web Vitals on GSC
Ensure CWV Assessment: Passed
Maintain 90+ Scores on Mobile & Desktop
Maintain A Grade on GTmetrix
Instant Chat Support
3 Month
Services Include:
Maintain 90% Good URLs
Maintain Core Web Vitals on GSC
Ensure CWV Assessment: Passed
Maintain 90+ Scores on Mobile & Desktop
Maintain A Grade on GTmetrix
Instant Chat Support
12 Month
Services Include:
Maintain 90% Good URLs
Maintain Core Web Vitals on GSC
Ensure CWV Assessment: Passed
Maintain 90+ Scores on Mobile & Desktop
Maintain A Grade on GTmetrix
Instant Chat Support
Full refund eligibility: Speed Optimization and On-Page SEO are covered by our full money-back guarantee.
Partial refunds for Core Web Vitals (GSC): If the Good URLs score in Google Search Console is less than 90, the refund is adjusted based on the achieved score.
Not refundable:
How to request a refund: Use our contact form or the billing email on your invoice. Include your order number, the site URL, the service purchased, and why you believe a refund is due.
Refund payment: Approved refunds are returned to the original payment method. Bank and card networks usually show the credit within 5 to 15 business days.
It could take anywhere from 1-7 business days depending on the number of web pages.
Here are some of the popular website speed test tools you can use to check your website’s speed:
No, because we don’t work on live themes. We’ll create a separate copy of your existing website theme and work on the preview mode. In this way, you won’t have to face any downtime. We also run the manual as well as automatic testing to make sure that there are no issues after deployment.
Absolutely not! We don’t touch the design elements of your website for speed and performance optimization. But, in case if there are changes that we feel should be made, we’ll recommend them in the SOW. Ultimately, it’ll be up to you to accept or deny them.
Yes, your web pages will be optimized for mobile devices as well. We will optimize your website to perform well on mobile also.
We aim to get your site to load within 3 seconds. We will optimize the load time to the extent where there will be no possibilities for further improvement without upgrading server resources.
Yes, we can help you with any other issues related to your Yii web application, apart from Yii performance optimization. Our in-house Yii experts will provide you end-to-end consultancy. Get in touch with us to know the charges for the same.
You can surely trust us, not just because we’re saying so but because we have a considerable amount of knowledge in Yii Performance Optimization. We have been trusted by websites that have thousands of visitors a day.
It is normal for the score to change within the range of 1-5. It is most likely due to server response time or third-party resources such as tracking snippets or ads. The right way to calculate your page speed is to run the page speed test three times and then take the average score.